Canada — 45 actual messages, 9 test messages

00:39  squall warning in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
marinewind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
00:42  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
floodingfog-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.
00:47  yellow warning - air quality - in effect (view from source)
AlertEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely
Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualityfirecheck-on-othersmanage-temperaturemonitorreduce-exertionwear-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.
01:06  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.2565937883.2026
⚠️ 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.
01:16  yellow warning - Wreckhouse wind - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
wind
References: urn:oid:2.49.0.1.124.1687236485.2026, urn:oid:2.49.0.1.124.2059269147.2026, urn:oid:2.49.0.1.124.3488519492.2026 (+2 earlier)
⚠️ 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.
01:28  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-qualityfog-and-humiditycheck-on-othersmonitorreduce-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.
01:30  squall warning ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
wind
References: urn:oid:2.49.0.1.124.0946289504.2026
⚠️ 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.
02:41  avertissement de grains en vigueur (view from source)
EN (issuer): squall warning in effect
AlertMetImmediate
Severe
Likely
Environment Canada
marinewindevacuatemonitor
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
03:13  avertissement de grains terminé (view from source)
EN (issuer): squall warning ended
UpdateMetPast
Minor
Observed
Environment Canada
wind
References: urn:oid:2.49.0.1.124.0935080862.2026
⚠️ 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.
04:18  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely
Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityavoidcheck-on-othersmanage-temperaturemonitorsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2976342178.2026, urn:oid:2.49.0.1.124.3019878291.2026, urn:oid:2.49.0.1.124.3171929947.2026 (+6 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.
05:39  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:2.49.0.1.124.3668558789.2026
⚠️ 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.
06:02  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely
Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualitycheck-on-othersmonitorreduce-exertionshelterwear-protection
References: urn:oid:2.49.0.1.124.4247558813.2026, urn:oid:2.49.0.1.124.2976342178.2026, urn:oid:2.49.0.1.124.3019878291.2026 (+7 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.
06:26  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Severe
Likely
Environment Canada, the B.C. Ministry of Environment and Parks
air-qualitycheck-on-othersmanage-temperaturereduce-exertionshelterwear-protection
References: urn:oid:2.49.0.1.124.2872963254.2026, urn:oid:2.49.0.1.124.4219014911.2026, urn:oid:2.49.0.1.124.3718401004.2026 (+50 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.
06:29  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-humiditycheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.3668558789.2026, urn:oid:2.49.0.1.124.1556786124.2026
⚠️ 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.
06:31  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-qualitycheck-on-othersmanage-temperaturemonitorreduce-exertionshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.2629210550.2026, urn:oid:2.49.0.1.124.0571904917.2026, urn:oid:2.49.0.1.124.1553726751.2026 (+52 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.
07:49  yellow warning - air quality - in effect (view from source)
AlertEnv+Health+Geo+Met+TransportFuture
Moderate
Likely
Environment Canada
air-qualityfog-and-humidityavoidcheck-on-othersmonitorreduce-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.
07:49  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:2.49.0.1.124.3668558789.2026, urn:oid:2.49.0.1.124.1556786124.2026, urn:oid:2.49.0.1.124.2777456369.2026
⚠️ 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.
08:23  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
floodingrainavoidmonitoruse-caution
References: urn:oid:2.49.0.1.124.2025433160.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
08:49  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
fog-and-humidityrainmonitor
References: urn:oid:2.49.0.1.124.1973771575.2026, urn:oid:2.49.0.1.124.3747998662.2026, urn:oid:2.49.0.1.124.1514860367.2026 (+2 earlier)
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
13:50  yellow warning - air quality - ended (view from source)
UpdateEnv+Health+Geo+Met+TransportPast
Minor
Observed
Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitymonitor
References: urn:oid:2.49.0.1.124.3015624996.2026
⚠️ 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_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
13:57  yellow warning - air quality - ended (view from source)
UpdateEnv+Health+Geo+Met+TransportPast
Minor
Observed
Environment Canada, Alberta Environment and Protected Areas, Alberta Health, Alberta Health Services
air-qualitymonitor
References: urn:oid:2.49.0.1.124.1099174292.2026, urn:oid:2.49.0.1.124.2777456369.2026, urn:oid:2.49.0.1.124.1556786124.2026 (+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_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
13:57  yellow warning - air quality - ended (view from source)
UpdateEnv+Health+Geo+Met+TransportPast
Minor
Observed
Environment Canada
air-qualitymonitor
References: urn:oid:2.49.0.1.124.3787838550.2026
⚠️ 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_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
14:04  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Observed
Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualitycheck-on-othersmanage-temperaturemonitorreduce-exertionwear-protection
References: urn:oid:2.49.0.1.124.0440955503.2026, urn:oid:2.49.0.1.124.4247558813.2026, urn:oid:2.49.0.1.124.2976342178.2026 (+8 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.
14:15  yellow warning - rainfall - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
rain
References: urn:oid:2.49.0.1.124.3429751401.2026, urn:oid:2.49.0.1.124.1973771575.2026, urn:oid:2.49.0.1.124.3747998662.2026 (+3 earlier)
⚠️ 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.
14:29  yellow warning - rainfall - in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
floodingrainavoidmonitor
References: urn:oid:2.49.0.1.124.2025433160.2026, urn:oid:2.49.0.1.124.2199035950.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
17:05  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely
Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualitycheck-on-othersmonitorreduce-exertionwear-protection
References: urn:oid:2.49.0.1.124.3604519359.2026, urn:oid:2.49.0.1.124.0440955503.2026, urn:oid:2.49.0.1.124.4247558813.2026 (+9 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.
17:50  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-qualitymonitor
References: urn:oid:2.49.0.1.124.0795122135.2026, urn:oid:2.49.0.1.124.2629210550.2026, urn:oid:2.49.0.1.124.0571904917.2026 (+53 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.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
17:51  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Severe
Likely
Environment Canada, the B.C. Ministry of Environment and Parks
air-qualitymonitor
References: urn:oid:2.49.0.1.124.1974449798.2026, urn:oid:2.49.0.1.124.2872963254.2026, urn:oid:2.49.0.1.124.4219014911.2026 (+51 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.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
17:51  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-qualitymonitor
References: urn:oid:2.49.0.1.124.3274068240.2026, urn:oid:2.49.0.1.124.0795122135.2026, urn:oid:2.49.0.1.124.2629210550.2026 (+54 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.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
18:11  orange warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Severe
Likely
Environment Canada, the B.C. Ministry of Environment and Parks
air-qualityavoidcheck-on-othersmanage-temperatureshelterwear-protection
References: urn:oid:2.49.0.1.124.0326018881.2026, urn:oid:2.49.0.1.124.1974449798.2026, urn:oid:2.49.0.1.124.2872963254.2026 (+52 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.
19:51  yellow warning - rainfall - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
References: urn:oid:2.49.0.1.124.2025433160.2026, urn:oid:2.49.0.1.124.2199035950.2026, urn:oid:2.49.0.1.124.3039486797.2026
⚠️ 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.
20:32  yellow warning - air quality - in effect (view from source)
UpdateEnv+Health+Geo+Met+TransportImmediate
Moderate
Observed
Environment Canada, the Northwest Territories Departments of Environment and Climate Change and Health and Social Services
air-qualityavoidcheck-on-othersmanage-temperaturemonitorreduce-exertionsecure-propertyshelterwear-protection
References: urn:oid:2.49.0.1.124.3102321194.2026, urn:oid:2.49.0.1.124.3604519359.2026, urn:oid:2.49.0.1.124.0440955503.2026 (+10 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.
21:31  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
debrisfloodinghaillightningrainthunderstormswindshelteruse-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.
21:54  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed
Environment Canada
floodingfog-and-humidityhailrainthunderstormswindshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.2711471601.2026
⚠️ 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.
22:14  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
debrisfloodinghailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2711471601.2026, urn:oid:2.49.0.1.124.3285420046.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:21  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely
Environment Canada
haillightningthunderstormswindshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:21  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely
Environment Canada
haillightningthunderstormswindmonitorobserve-reportshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:32  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed
Environment Canada
floodingfog-and-humidityhaillightningrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.2711471601.2026, urn:oid:2.49.0.1.124.3285420046.2026, urn:oid:2.49.0.1.124.4215769810.2026
⚠️ 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.
23:07  yellow warning - severe thunderstorm - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1808167670.2026, urn:oid:2.49.0.1.124.4215769810.2026, urn:oid:2.49.0.1.124.3285420046.2026 (+1 earlier)
⚠️ 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.
23:13  yellow warning - air quality - in effect (view from source)
AlertEnv+Health+Geo+Met+TransportImmediate
Moderate
Likely
Environment Canada
air-qualitycheck-on-othersmonitorreduce-exertionshelterwear-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.
23:20  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.
23:38  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
hailrainthunderstormsshelterwear-protection
References: urn:oid:2.49.0.1.124.0746079863.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:41  yellow warning - severe thunderstorm - in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
debrishailrainthunderstormswindavoid
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
23:46  yellow warning - severe thunderstorm - in effect (view from source)
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.
23:55  yellow warning - severe thunderstorm - in effect (view from source)
UpdateMetImmediate
Moderate
Observed
Environment Canada
debrishailrainthunderstormswindshelterwear-protection
References: urn:oid:2.49.0.1.124.0746079863.2026, urn:oid:2.49.0.1.124.3255875770.2026
⚠️ 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.
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.
10:56  [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.