Canada — 208 actual messages, 9 test messages

00:05  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3483530689.2026, urn:oid:2.49.0.1.124.3234714100.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:06  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3483530689.2026, urn:oid:2.49.0.1.124.3234714100.2026, urn:oid:2.49.0.1.124.1629720753.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:10  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2862412100.2026, urn:oid:2.49.0.1.124.0431242111.2026, urn:oid:2.49.0.1.124.2657491483.2026 (+1 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:11  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2874551179.2026, urn:oid:2.49.0.1.124.2862412100.2026, urn:oid:2.49.0.1.124.0431242111.2026 (+2 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:18  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstormsuse-caution
References: urn:oid:2.49.0.1.124.3241046602.2026, urn:oid:2.49.0.1.124.4032734562.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:20  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstormsuse-caution
References: urn:oid:2.49.0.1.124.3241046602.2026, urn:oid:2.49.0.1.124.4032734562.2026, urn:oid:2.49.0.1.124.1948875423.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:23  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.4120305690.2026, urn:oid:2.49.0.1.124.1629720753.2026, urn:oid:2.49.0.1.124.3234714100.2026 (+1 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
00:26  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisfloodingfog-and-humidityrainthunderstormswind
References: urn:oid:2.49.0.1.124.3813723977.2026, urn:oid:2.49.0.1.124.3526380911.2026, urn:oid:2.49.0.1.124.3727631402.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:33  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstormsmonitoruse-caution
References: urn:oid:2.49.0.1.124.2005323501.2026, urn:oid:2.49.0.1.124.1948875423.2026, urn:oid:2.49.0.1.124.4032734562.2026 (+1 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:34  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingrainthunderstormsuse-caution
References: urn:oid:2.49.0.1.124.4062837756.2026, urn:oid:2.49.0.1.124.2005323501.2026, urn:oid:2.49.0.1.124.1948875423.2026 (+2 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:36  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:37  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1630058555.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:38  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:43  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3829146311.2026, urn:oid:2.49.0.1.124.3813723977.2026, urn:oid:2.49.0.1.124.3526380911.2026 (+2 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:50  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishaillightningrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1630058555.2026, urn:oid:2.49.0.1.124.1603403124.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:50  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishaillightningrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1630058555.2026, urn:oid:2.49.0.1.124.1603403124.2026, urn:oid:2.49.0.1.124.0350337241.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
00:54  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishaillightningrainthunderstormswindavoidshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3407477081.2026, urn:oid:2.49.0.1.124.3829146311.2026, urn:oid:2.49.0.1.124.3813723977.2026 (+3 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:00  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.3965095593.2026, urn:oid:2.49.0.1.124.2874551179.2026, urn:oid:2.49.0.1.124.2862412100.2026 (+3 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:00  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.2219662548.2026, urn:oid:2.49.0.1.124.4062837756.2026, urn:oid:2.49.0.1.124.2005323501.2026 (+3 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:01  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
hailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.0700944750.2026, urn:oid:2.49.0.1.124.0350337241.2026, urn:oid:2.49.0.1.124.1603403124.2026 (+1 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:02  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1861345569.2026, urn:oid:2.49.0.1.124.3407477081.2026, urn:oid:2.49.0.1.124.3829146311.2026 (+4 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:03  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.2429581020.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
01:05  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:07  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
haillightningrainthunderstormswindmonitorshelter
References: urn:oid:2.49.0.1.124.0634635754.2026, urn:oid:2.49.0.1.124.3194988761.2026, urn:oid:2.49.0.1.124.1344524945.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:19  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible		Environment Canada
marinewindshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:21  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1021776480.2026, urn:oid:2.49.0.1.124.0700944750.2026, urn:oid:2.49.0.1.124.0350337241.2026 (+2 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:28  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.1832753071.2026, urn:oid:2.49.0.1.124.1861345569.2026, urn:oid:2.49.0.1.124.3407477081.2026 (+5 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:28  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:28  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:36  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.2429581020.2026, urn:oid:2.49.0.1.124.0494124739.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
01:38  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.1262722730.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:38  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.3521796713.2026, urn:oid:2.49.0.1.124.1021776480.2026, urn:oid:2.49.0.1.124.0700944750.2026 (+3 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:42  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Likely		Environment Canada
lightningrainthunderstormswindmonitorsecure-propertyshelter
References: urn:oid:2.49.0.1.124.3248135572.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:42  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Likely		Environment Canada
lightningrainthunderstormswindmonitorsecure-propertyshelter
References: urn:oid:2.49.0.1.124.1871482393.2026, urn:oid:2.49.0.1.124.0367049860.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:43  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Severe
Possible		Environment Canada
lightningthunderstormswindmonitorshelter
References: urn:oid:2.49.0.1.124.1223237706.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:43  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswinduse-caution
References: urn:oid:2.49.0.1.124.2429581020.2026, urn:oid:2.49.0.1.124.0494124739.2026, urn:oid:2.49.0.1.124.3375451516.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
01:49  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1148639017.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
01:55  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswinduse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3766494637.2026, urn:oid:2.49.0.1.124.3521796713.2026, urn:oid:2.49.0.1.124.1021776480.2026 (+4 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
01:55  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.2578128357.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:05  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:05  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:06  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1262722730.2026, urn:oid:2.49.0.1.124.1735430790.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:10  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.4042765303.2026, urn:oid:2.49.0.1.124.3375451516.2026, urn:oid:2.49.0.1.124.0494124739.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
02:12  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.2046474707.2026, urn:oid:2.49.0.1.124.3766494637.2026, urn:oid:2.49.0.1.124.3521796713.2026 (+5 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:13  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Severe
Observed		Environment Canada
lightningrainthunderstormswindmonitorobserve-reportshelter
References: urn:oid:2.49.0.1.124.1223237706.2026, urn:oid:2.49.0.1.124.1188783064.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:19  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
haillightningrainthunderstormswindmonitor
References: urn:oid:2.49.0.1.124.4056773861.2026, urn:oid:2.49.0.1.124.1344524945.2026, urn:oid:2.49.0.1.124.3194988761.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:28  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.3359721880.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:28  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3627919648.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
02:29  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1387008019.2026, urn:oid:2.49.0.1.124.2046474707.2026, urn:oid:2.49.0.1.124.3766494637.2026 (+6 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:37  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1262722730.2026, urn:oid:2.49.0.1.124.1735430790.2026, urn:oid:2.49.0.1.124.0489313647.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:41  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.3627919648.2026, urn:oid:2.49.0.1.124.1923344086.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:41  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3359721880.2026, urn:oid:2.49.0.1.124.2558432830.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
02:45  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisrainthunderstormswinduse-caution
References: urn:oid:2.49.0.1.124.2442948531.2026, urn:oid:2.49.0.1.124.4042765303.2026, urn:oid:2.49.0.1.124.3375451516.2026 (+2 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
02:48  yellow watch - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1046510872.2026, urn:oid:2.49.0.1.124.4056773861.2026, urn:oid:2.49.0.1.124.1344524945.2026 (+2 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:07  waterspout watch ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
marine
References: urn:oid:2.49.0.1.124.0866117218.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:12  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisrainthunderstormswinduse-caution
References: urn:oid:2.49.0.1.124.0712762830.2026, urn:oid:2.49.0.1.124.2442948531.2026, urn:oid:2.49.0.1.124.4042765303.2026 (+3 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:19  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindavoidshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3359721880.2026, urn:oid:2.49.0.1.124.2558432830.2026, urn:oid:2.49.0.1.124.1079364903.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:22  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:25  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishaillightningrainthunderstormswindshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:28  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.0921552976.2026, urn:oid:2.49.0.1.124.0712762830.2026, urn:oid:2.49.0.1.124.2442948531.2026 (+4 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:29  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.2298346677.2026, urn:oid:2.49.0.1.124.0921552976.2026, urn:oid:2.49.0.1.124.0712762830.2026 (+5 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:36  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
hailrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.1348589876.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:38  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
hailrainthunderstormswindshelteruse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:41  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.2594538439.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:45  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishaillightningrainthunderstormswindavoidshelterwear-protection
References: urn:oid:2.49.0.1.124.0731753039.2026, urn:oid:2.49.0.1.124.1079364903.2026, urn:oid:2.49.0.1.124.2558432830.2026 (+1 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:46  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1348589876.2026, urn:oid:2.49.0.1.124.3256820451.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:55  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.4047712364.2026, urn:oid:2.49.0.1.124.2298346677.2026, urn:oid:2.49.0.1.124.0921552976.2026 (+6 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:55  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswinduse-caution
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:55  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswinduse-caution
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:55  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswinduse-caution
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
03:56  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.2468814154.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:56  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.4138643576.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
04:07  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Likely		Environment Canada
haillightningrainthunderstormswindmonitorobserve-reportsecure-propertyshelter
References: urn:oid:2.49.0.1.124.1871482393.2026, urn:oid:2.49.0.1.124.0367049860.2026, urn:oid:2.49.0.1.124.1620880595.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:07  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
haillightningrainthunderstormswindmonitorobserve-reportsecure-propertyshelter
References: urn:oid:2.49.0.1.124.3248135572.2026, urn:oid:2.49.0.1.124.1741416825.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:08  yellow watch - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.1223237706.2026, urn:oid:2.49.0.1.124.1188783064.2026, urn:oid:2.49.0.1.124.3367485843.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
04:13  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.1348589876.2026, urn:oid:2.49.0.1.124.3256820451.2026, urn:oid:2.49.0.1.124.2319547738.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
04:17  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
haillightningrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3847840395.2026, urn:oid:2.49.0.1.124.0731753039.2026, urn:oid:2.49.0.1.124.1079364903.2026 (+2 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:24  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.0437382198.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:24  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.0909497693.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
04:25  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
rainthunderstormswind
References: urn:oid:2.49.0.1.124.4138643576.2026, urn:oid:2.49.0.1.124.2535827188.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
04:26  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisrainthunderstormswind
References: urn:oid:2.49.0.1.124.4138643576.2026, urn:oid:2.49.0.1.124.2535827188.2026, urn:oid:2.49.0.1.124.1767135168.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
04:28  yellow watch - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.3248135572.2026, urn:oid:2.49.0.1.124.1741416825.2026, urn:oid:2.49.0.1.124.1632071574.2026
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
04:28  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
lightningrainthunderstormswindmonitorobserve-reportsecure-propertyshelter
References: urn:oid:2.49.0.1.124.3115645295.2026, urn:oid:2.49.0.1.124.1620880595.2026, urn:oid:2.49.0.1.124.0367049860.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:44  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindwear-protection
References: urn:oid:2.49.0.1.124.0437382198.2026, urn:oid:2.49.0.1.124.3628957393.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
04:47  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisrainthunderstormswinduse-caution
References: urn:oid:2.49.0.1.124.3845201255.2026, urn:oid:2.49.0.1.124.1767135168.2026, urn:oid:2.49.0.1.124.2535827188.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
04:58  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:00  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.3219609795.2026, urn:oid:2.49.0.1.124.3847840395.2026, urn:oid:2.49.0.1.124.0731753039.2026 (+3 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
05:04  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0306141348.2026, urn:oid:2.49.0.1.124.3845201255.2026, urn:oid:2.49.0.1.124.1767135168.2026 (+2 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
05:13  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.0437382198.2026, urn:oid:2.49.0.1.124.3628957393.2026, urn:oid:2.49.0.1.124.4025872852.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:16  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelteruse-caution
References: urn:oid:2.49.0.1.124.4067670508.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:24  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Severe
Likely		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityfog-and-humidityavoidcheck-on-othersmanage-temperaturemonitorreduce-exertionwear-protection
References: urn:oid:2.49.0.1.124.1484458480.2026, urn:oid:2.49.0.1.124.0300191685.2026, urn:oid:2.49.0.1.124.3953537487.2026 (+35 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:24  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Observed		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityfog-and-humidityavoidcheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.1374303299.2026, urn:oid:2.49.0.1.124.0752948115.2026, urn:oid:2.49.0.1.124.1391587908.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:27  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
lightningrainthunderstormswindsecure-propertyshelter
References: urn:oid:2.49.0.1.124.3640218226.2026, urn:oid:2.49.0.1.124.3115645295.2026, urn:oid:2.49.0.1.124.1620880595.2026 (+2 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:34  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely		Environment Canada
fog-and-humidityrainmonitor
References: urn:oid:2.49.0.1.124.2566771249.2026, urn:oid:2.49.0.1.124.1261559009.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
05:35  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.4067670508.2026, urn:oid:2.49.0.1.124.2445777369.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:35  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely		Environment Canada
rainmonitor
References: urn:oid:2.49.0.1.124.2211474383.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
05:36  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1843990809.2026, urn:oid:2.49.0.1.124.4025872852.2026, urn:oid:2.49.0.1.124.3628957393.2026 (+1 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:54  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
haillightningrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.4067670508.2026, urn:oid:2.49.0.1.124.2445777369.2026, urn:oid:2.49.0.1.124.3857238890.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
05:57  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
lightningrainthunderstormswindmonitorobserve-reportsecure-propertyshelter
References: urn:oid:2.49.0.1.124.2059358662.2026, urn:oid:2.49.0.1.124.3640218226.2026, urn:oid:2.49.0.1.124.3115645295.2026 (+3 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:03  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3300750776.2026, urn:oid:2.49.0.1.124.1843990809.2026, urn:oid:2.49.0.1.124.4025872852.2026 (+2 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:03  yellow watch - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.3164641127.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
06:04  squall watch in effect (view from source)
UpdateMetExpected
Severe
Possible		Environment Canada
marinewindmonitorshelteruse-caution
References: urn:oid:2.49.0.1.124.4051692064.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:18  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3982727352.2026, urn:oid:2.49.0.1.124.3857238890.2026, urn:oid:2.49.0.1.124.2445777369.2026 (+1 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:27  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.4047981111.2026, urn:oid:2.49.0.1.124.3982727352.2026, urn:oid:2.49.0.1.124.3857238890.2026 (+2 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
06:29  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2441709942.2026, urn:oid:2.49.0.1.124.3300750776.2026, urn:oid:2.49.0.1.124.1843990809.2026 (+3 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:32  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Likely		Environment Canada
lightningrainthunderstormswindsecure-propertyshelter
References: urn:oid:2.49.0.1.124.1937123804.2026, urn:oid:2.49.0.1.124.2059358662.2026, urn:oid:2.49.0.1.124.3640218226.2026 (+4 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:57  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelteruse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
06:59  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishaillightningrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3884630733.2026, urn:oid:2.49.0.1.124.2441709942.2026, urn:oid:2.49.0.1.124.3300750776.2026 (+4 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
07:05  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Severe
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityavoidcease-activitycheck-on-othersmanage-temperaturemonitorsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3353919980.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
07:18  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
hailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.0731663356.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
07:32  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishaillightningrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.0965791773.2026, urn:oid:2.49.0.1.124.3884630733.2026, urn:oid:2.49.0.1.124.2441709942.2026 (+5 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
07:37  squall watch ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
wind
References: urn:oid:2.49.0.1.124.4051692064.2026, urn:oid:2.49.0.1.124.1117237028.2026
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
07:43  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0731663356.2026, urn:oid:2.49.0.1.124.2175276595.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
08:03  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.3354659436.2026, urn:oid:2.49.0.1.124.0965791773.2026, urn:oid:2.49.0.1.124.3884630733.2026 (+6 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
08:03  yellow watch - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1736688884.2026, urn:oid:2.49.0.1.124.1937123804.2026, urn:oid:2.49.0.1.124.2059358662.2026 (+5 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
08:06  yellow warning - air quality - in effect (view from source)
AlertEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityavoidcheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertywear-protection
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
09:25  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely		Environment Canada, the B.C. Ministry of Environment and Parks
air-qualityavoidcheck-on-othersmanage-temperaturemonitorshelterwear-protection
References: urn:oid:2.49.0.1.124.2229690106.2026, urn:oid:2.49.0.1.124.2033960987.2026, urn:oid:2.49.0.1.124.4130158455.2026 (+77 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
10:17  yellow warning - storm surge - in effect (view from source)
AlertEnv+MetFuture
Moderate
Likely		Environment Canada
coastalfloodingmonitor
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Met) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
10:17  yellow advisory - fog - in effect (view from source)
AlertMetFuture
Moderate
Likely		Environment Canada
fog-and-humiditymonitoruse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:30  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Observed		Environment Canada
fog-and-humidityrainmonitor
References: urn:oid:2.49.0.1.124.2566771249.2026, urn:oid:2.49.0.1.124.1261559009.2026, urn:oid:2.49.0.1.124.3982713975.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
10:31  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely		Environment Canada
floodingrainavoidmonitoruse-caution
References: urn:oid:2.49.0.1.124.2211474383.2026, urn:oid:2.49.0.1.124.0783777146.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:32  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Severe
Likely		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityfog-and-humidityavoidcease-activitycheck-on-othersmonitorsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3516721935.2026, urn:oid:2.49.0.1.124.1484458480.2026, urn:oid:2.49.0.1.124.0300191685.2026 (+36 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:32  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityfog-and-humidityavoidcheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.1910533689.2026, urn:oid:2.49.0.1.124.1374303299.2026, urn:oid:2.49.0.1.124.0752948115.2026 (+2 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:32  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Severe
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityfog-and-humidityavoidcease-activitycheck-on-othersmonitorsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3353919980.2026, urn:oid:2.49.0.1.124.2204982420.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:33  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityfog-and-humidityavoidcheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.0683437033.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
11:24  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
11:45  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswinduse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
11:45  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1436642359.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
12:00  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.3887641782.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
12:18  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3887641782.2026, urn:oid:2.49.0.1.124.1940667485.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
12:32  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3887641782.2026, urn:oid:2.49.0.1.124.1940667485.2026, urn:oid:2.49.0.1.124.1585511777.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
12:48  yellow advisory - fog - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
fog-and-humidity
References: urn:oid:2.49.0.1.124.1323054178.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
12:49  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0767733204.2026, urn:oid:2.49.0.1.124.1585511777.2026, urn:oid:2.49.0.1.124.1940667485.2026 (+1 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
13:37  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityavoidcheck-on-othersmonitorreduce-exertionsecure-propertyshelterwear-protection
References: urn:oid:2.49.0.1.124.0683437033.2026, urn:oid:2.49.0.1.124.3947416719.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
13:37  orange warning - air quality - changed (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Minor
Unknown		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
References: urn:oid:2.49.0.1.124.3353919980.2026, urn:oid:2.49.0.1.124.2204982420.2026, urn:oid:2.49.0.1.124.2367369408.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
13:53  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishaillightningrainthunderstormswindavoidshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
14:10  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3783031536.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
14:24  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.3783031536.2026, urn:oid:2.49.0.1.124.0697384738.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
15:09  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormswindavoidwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
15:25  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely		Environment Canada
floodingfog-and-humidityhaillightningrainthunderstormstornadoeswindmonitorshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:26  Flood Warning issued by Hydrologic Forecast Centre (view from source)
CancelMetImmediate
Moderate
Observed		Manitoba Emergency Management Organization
References: 82E419DE-C1E9-470D-A6B8-81D5E1758CF2 (+5 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
15:28  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhaillightningrainthunderstormswindshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
15:42  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityavoidcheck-on-othersmanage-temperaturemonitorreduce-exertionshelterwear-protection
References: urn:oid:2.49.0.1.124.0683437033.2026, urn:oid:2.49.0.1.124.3947416719.2026, urn:oid:2.49.0.1.124.1487576097.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
15:51  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0676744293.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
15:51  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1136006813.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
16:04  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
16:32  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrishaillightningrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.1549761467.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:01  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.1549761467.2026, urn:oid:2.49.0.1.124.2769642774.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:03  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitycheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.1719577398.2026, urn:oid:2.49.0.1.124.1487576097.2026, urn:oid:2.49.0.1.124.3947416719.2026 (+1 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:13  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitycheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3326291884.2026, urn:oid:2.49.0.1.124.1719577398.2026, urn:oid:2.49.0.1.124.1487576097.2026 (+2 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:24  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible		Environment Canada
lightningmarinewindcease-activityshelteruse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:24  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible		Environment Canada
lightningmarinewindcease-activityshelteruse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:25  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely		Environment Canada
floodingfog-and-humiditylightningrainthunderstormsmonitorshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:32  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1549761467.2026, urn:oid:2.49.0.1.124.2769642774.2026, urn:oid:2.49.0.1.124.0321243120.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
19:16  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Observed		Environment Canada, the B.C. Ministry of Environment and Parks
air-qualityfirecheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.0686694826.2026, urn:oid:2.49.0.1.124.2229690106.2026, urn:oid:2.49.0.1.124.2033960987.2026 (+78 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
19:25  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
19:28  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormstornadoeswindshelteruse-cautionwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
19:40  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswindshelterwear-protection
References: urn:oid:2.49.0.1.124.4043143306.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
19:50  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormswindwear-protection
References: urn:oid:2.49.0.1.124.0808486635.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:01  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.4043143306.2026, urn:oid:2.49.0.1.124.1506694770.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
20:12  squall watch in effect (view from source)
UpdateMetExpected
Severe
Observed		Environment Canada
lightningmarinewindmonitorshelteruse-caution
References: urn:oid:2.49.0.1.124.2900160790.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:14  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:20  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitycheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2572093674.2026, urn:oid:2.49.0.1.124.3326291884.2026, urn:oid:2.49.0.1.124.1719577398.2026 (+3 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:21  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0808486635.2026, urn:oid:2.49.0.1.124.4089763499.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
20:23  special weather statement in effect (view from source)
AlertMetExpected
Moderate
Possible		Environment Canada
floodinggeological-displacementrainthunderstormsmonitor
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
20:35  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
floodinghailrainthunderstormstornadoeswindmonitorshelter
References: urn:oid:2.49.0.1.124.2959839200.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:37  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodinghailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.3857215303.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:40  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
21:01  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.3857215303.2026, urn:oid:2.49.0.1.124.3020411110.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
21:07  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswind
References: urn:oid:2.49.0.1.124.2813908099.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:23  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormswind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:25  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed		Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswind
References: urn:oid:2.49.0.1.124.2813908099.2026, urn:oid:2.49.0.1.124.1813386730.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:25  orange warning - air quality - changed (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Minor
Unknown		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-quality
References: urn:oid:2.49.0.1.124.3605549370.2026, urn:oid:2.49.0.1.124.3516721935.2026, urn:oid:2.49.0.1.124.1484458480.2026 (+37 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:25  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityavoidcheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3651649404.2026, urn:oid:2.49.0.1.124.1910533689.2026, urn:oid:2.49.0.1.124.1374303299.2026 (+3 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
21:45  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible		Environment Canada
lightningwindmonitor
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:45  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely		Environment Canada
lightningrainthunderstormswindmonitorshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
21:50  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:50  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.0979054635.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
21:50  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.2813908099.2026, urn:oid:2.49.0.1.124.1813386730.2026, urn:oid:2.49.0.1.124.2050898854.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
21:53  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely		Environment Canada
fog-and-humidityrainmonitor
References: urn:oid:2.49.0.1.124.2122287482.2026, urn:oid:2.49.0.1.124.3982713975.2026, urn:oid:2.49.0.1.124.1261559009.2026 (+1 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:54  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely		Environment Canada
floodingrainavoidmonitoruse-caution
References: urn:oid:2.49.0.1.124.2211474383.2026, urn:oid:2.49.0.1.124.0783777146.2026, urn:oid:2.49.0.1.124.3754443494.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:00  yellow warning - storm surge - in effect (view from source)
UpdateEnv+MetFuture
Moderate
Likely		Environment Canada
coastalflooding
References: urn:oid:2.49.0.1.124.0982754320.2026
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Met) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:04  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible		Environment Canada
lightningthunderstormswinduse-caution
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:08  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Likely		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitycheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2793714200.2026, urn:oid:2.49.0.1.124.2572093674.2026, urn:oid:2.49.0.1.124.3326291884.2026 (+4 earlier)
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:13  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstormswind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:14  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhaillightningrainthunderstormswind
References: urn:oid:2.49.0.1.124.1783764216.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:21  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityhailrainthunderstormswind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:37  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
References: urn:oid:2.49.0.1.124.2367633639.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
22:38  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
AlertMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:43  squall watch in effect (view from source)
UpdateMetExpected
Severe
Possible		Environment Canada
lightningmarinewindmonitor
References: urn:oid:2.49.0.1.124.3324924656.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
22:45  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1783764216.2026, urn:oid:2.49.0.1.124.1417582995.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
22:59  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
AlertMetImmediate
Moderate
Likely		Environment Canada
hailrainthunderstormswindshelterwear-protection
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:01  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2547952360.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:03  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.0972296727.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
23:07  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisfloodinghailrainthunderstormswind
References: urn:oid:2.49.0.1.124.2547952360.2026, urn:oid:2.49.0.1.124.1289944522.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:08  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
rainthunderstorms
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
23:09  squall watch ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
wind
References: urn:oid:2.49.0.1.124.2900160790.2026, urn:oid:2.49.0.1.124.4281455345.2026
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
23:10  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportFuture
Moderate
Observed		Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitycheck-on-othersmonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.0868537956.2026, urn:oid:2.49.0.1.124.2793714200.2026, urn:oid:2.49.0.1.124.2572093674.2026 (+5 earlier)
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.multiple_categories — an <info> block declares more than one <category> (Env + Health + Geo + Met + Transport) — CAP allows it, but a receiver that routes or files by category must choose one, and different receivers choose differently. [source: Art, 2026-08-02]
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:18  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.1389325080.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:18  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Observed		Environment Canada
floodingfog-and-humidityhaillightningrainthunderstormstornadoeswindmonitorshelter
References: urn:oid:2.49.0.1.124.2959839200.2026, urn:oid:2.49.0.1.124.1288908624.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:18  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Observed		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.2547952360.2026, urn:oid:2.49.0.1.124.1289944522.2026, urn:oid:2.49.0.1.124.4115998843.2026
⚠️ content.usc_divergent_between_infos — all <info> elements within a single <alert> should have the same <urgency>, <severity> and <certainty> values, so the alert can be processed consistently as a unit; messages with different U/S/C values should be sent in separate <alert> bodies.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:19  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.1615826259.2026, urn:oid:2.49.0.1.124.4115998843.2026, urn:oid:2.49.0.1.124.1289944522.2026 (+1 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:21  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1076682200.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
23:33  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstorms
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
23:35  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
UpdateMetImmediate
Moderate
Likely		Environment Canada
debrisfloodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.0411284837.2026, urn:oid:2.49.0.1.124.1615826259.2026, urn:oid:2.49.0.1.124.4115998843.2026 (+2 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:35  alerte jaune - orages violents - terminée (view from source)
EN (issuer): yellow warning - severe thunderstorm - ended
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1389325080.2026, urn:oid:2.49.0.1.124.0479848419.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
23:55  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely		Environment Canada
floodingfog-and-humidityrainthunderstorms
References: urn:oid:2.49.0.1.124.2905175690.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
23:55  alerte jaune - orages violents - terminée (view from source)
EN (issuer): yellow warning - severe thunderstorm - ended
UpdateMetPast
Minor
Observed		Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.4164232894.2026, urn:oid:2.49.0.1.124.0411284837.2026, urn:oid:2.49.0.1.124.1615826259.2026 (+3 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
00:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
03:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
06:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
10:38  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Pelmorex Communications Inc
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
09:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
12:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
15:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
18:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
21:00  [TEST] This is a Test Message and is NOT Intended for distribution to the Public
AlertOtherUnknown
Unknown
Unknown		Natural Resources Canada
⚠️ content.usc_all_unknown — urgency, severity, and certainty all reported as Unknown — using Unknown as a default across all three fields limits alert interpretability.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.