Canada — 25 actual messages, 10 test messages

00:01  alerte jaune - orages violents - en vigueur (view from source)
EN (issuer): yellow warning - severe thunderstorm - in effect
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.
00:16  alerte jaune - orages violents - terminée (view from source)
EN (issuer): yellow warning - severe thunderstorm - ended
UpdateMetPast
Minor
Observed
Environment Canada
References: urn:oid:2.49.0.1.124.2876479167.2026
⚠️ 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.
01:05  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.
01:16  alerte jaune - orages violents - terminée (view from source)
EN (issuer): yellow warning - severe thunderstorm - ended
UpdateMetPast
Minor
Observed
Environment Canada
thunderstorms
References: urn:oid:2.49.0.1.124.1010971532.2026
⚠️ 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.
02:39  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:2.49.0.1.124.2036982259.2026, urn:oid:2.49.0.1.124.1640380348.2026, urn:oid:2.49.0.1.124.0948715543.2026 (+12 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.
07:54  avertissement jaune - vent - en vigueur (view from source)
EN (issuer): yellow warning - wind - in effect
UpdateMetFuture
Moderate
Likely
Environment Canada
windsecure-property
References: urn:oid:2.49.0.1.124.2880537212.2026
⚠️ 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.
07:55  yellow warning - Wreckhouse wind - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
wind
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
07:57  avertissement jaune - vent - en vigueur (view from source)
EN (issuer): yellow warning - wind - in effect
UpdateMetFuture
Moderate
Likely
Environment Canada
windmonitorsecure-property
References: urn:oid:2.49.0.1.124.2880537212.2026, urn:oid:2.49.0.1.124.3838239961.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
09:16  yellow warning - rainfall - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
geological-displacementrainmonitorobserve-report
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
09:19  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
debrisgeological-displacementrainmonitorobserve-report
References: urn:oid:2.49.0.1.124.1574406376.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
10:06  avertissement jaune - vent - en vigueur (view from source)
EN (issuer): yellow warning - wind - in effect
UpdateMetFuture
Moderate
Likely
Environment Canada
windmonitorsecure-property
References: urn:oid:2.49.0.1.124.2880537212.2026, urn:oid:2.49.0.1.124.3838239961.2026, urn:oid:2.49.0.1.124.3858702133.2026
⚠️ 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.
10:08  avertissement jaune - vent - en vigueur (view from source)
EN (issuer): yellow warning - wind - in effect
UpdateMetFuture
Moderate
Likely
Environment Canada
windmonitorsecure-property
References: urn:oid:2.49.0.1.124.1168753506.2026, urn:oid:2.49.0.1.124.3858702133.2026, urn:oid:2.49.0.1.124.3838239961.2026 (+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.
11:00  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-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.1108605932.2026, urn:oid:2.49.0.1.124.2036982259.2026, urn:oid:2.49.0.1.124.1640380348.2026 (+13 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.
13:22  yellow warning - Wreckhouse wind - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
winduse-caution
References: urn:oid:2.49.0.1.124.2859777921.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
17:13  Boil Water Advisory for Inverness Water System Users Lifted
AlertHealthImmediate
Moderate
Observed
Province of NS
drinking-water
⚠️ 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.
15:23  avertissement jaune - vent - en vigueur (view from source)
EN (issuer): yellow warning - wind - in effect
UpdateMetFuture
Moderate
Likely
Environment Canada
windsecure-property
References: urn:oid:2.49.0.1.124.3743841294.2026, urn:oid:2.49.0.1.124.1168753506.2026, urn:oid:2.49.0.1.124.3858702133.2026 (+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.
16:12  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
geological-displacementrainavoid
References: urn:oid:2.49.0.1.124.1574406376.2026, urn:oid:2.49.0.1.124.3927520723.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
16:14  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
debrisgeological-displacementrainmonitor
References: urn:oid:2.49.0.1.124.1574406376.2026, urn:oid:2.49.0.1.124.3927520723.2026, urn:oid:2.49.0.1.124.2766518654.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
18:18  yellow warning - Wreckhouse wind - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
winduse-caution
References: urn:oid:2.49.0.1.124.2859777921.2026, urn:oid:2.49.0.1.124.3231836219.2026
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
18:56  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.
19:39  avertissement jaune - vent - terminé (view from source)
EN (issuer): yellow warning - wind - ended
UpdateMetPast
Minor
Observed
Environment Canada
References: urn:oid:2.49.0.1.124.0433256899.2026, urn:oid:2.49.0.1.124.3743841294.2026, urn:oid:2.49.0.1.124.1168753506.2026 (+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.
20:17  yellow warning - Wreckhouse wind - ended (view from source)
UpdateMetPast
Minor
Observed
Environment Canada
wind
References: urn:oid:2.49.0.1.124.2859777921.2026, urn:oid:2.49.0.1.124.3231836219.2026, urn:oid:2.49.0.1.124.3946375506.2026
⚠️ 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.
21:02  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
geological-displacementmonitor
References: urn:oid:2.49.0.1.124.3859123332.2026, urn:oid:2.49.0.1.124.2766518654.2026, urn:oid:2.49.0.1.124.3927520723.2026 (+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.
21:04  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
geological-displacementrainmonitor
References: urn:oid:2.49.0.1.124.3839593066.2026, urn:oid:2.49.0.1.124.3859123332.2026, urn:oid:2.49.0.1.124.2766518654.2026 (+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.
22:04  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-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2847687232.2026, urn:oid:2.49.0.1.124.1108605932.2026, urn:oid:2.49.0.1.124.2036982259.2026 (+14 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.
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.
10:57  [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.
19:02  [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.
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.