Canada — 28 actual messages, 10 test messages

00:47  special marine warning in effect (view from source)
AlertMetExpected
Moderate
Likely
Environment Canada
coldmarinerainmonitor
⚠️ 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.
08:12  yellow warning - storm surge - in effect (view from source)
UpdateEnv+MetFuture
Moderate
Likely
Environment Canada
coastalfloodingmonitor
References: urn:oid:2.49.0.1.124.3780550751.2026
⚠️ 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.
08:53  special marine warning in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
rainmonitor
⚠️ 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.
08:53  special marine warning in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
rainmonitor
References: urn:oid:2.49.0.1.124.1934080096.2026
⚠️ 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.
10:46  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-othersreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2695320604.2026, urn:oid:2.49.0.1.124.2847687232.2026, urn:oid:2.49.0.1.124.1108605932.2026 (+15 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.
11:22  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
geological-displacementrainmonitoruse-caution
References: urn:oid:2.49.0.1.124.0382987128.2026, urn:oid:2.49.0.1.124.3839593066.2026, urn:oid:2.49.0.1.124.3859123332.2026 (+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.
11:24  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
geological-displacementrainmonitoruse-caution
References: urn:oid:2.49.0.1.124.2519098089.2026, urn:oid:2.49.0.1.124.0382987128.2026, urn:oid:2.49.0.1.124.3839593066.2026 (+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.
16:49  This is a Manitoba Emergency Alert. The Hydrologic Forecast Centre has issued a Wind Advisory Alert.
AlertMetExpected
Moderate
Likely
Manitoba Emergency Management Organization
coastalwindsecure-propertyuse-caution
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
13:35  yellow advisory - frost - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
agriculturecoldmonitor
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
14:11  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Observed
Environment Canada
floodinggeological-displacementrainmonitorobserve-reportuse-caution
References: urn:oid:2.49.0.1.124.3588850229.2026, urn:oid:2.49.0.1.124.2519098089.2026, urn:oid:2.49.0.1.124.0382987128.2026 (+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.
16:34  special marine warning in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
coldrainmonitor
References: urn:oid:2.49.0.1.124.1934080096.2026, urn:oid:2.49.0.1.124.1331673164.2026
⚠️ 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.
16:34  special marine warning in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
coldrainmonitor
References: urn:oid:2.49.0.1.124.4166665679.2026
⚠️ 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.
16:35  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-temperaturemonitorreduce-exertionsecure-propertywear-protection
References: urn:oid:2.49.0.1.124.2546524229.2026, urn:oid:2.49.0.1.124.2695320604.2026, urn:oid:2.49.0.1.124.2847687232.2026 (+16 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.
16:40  yellow warning - storm surge - in effect (view from source)
UpdateEnv+MetFuture
Moderate
Likely
Environment Canada
coastalfloodingmonitor
References: urn:oid:2.49.0.1.124.3780550751.2026, urn:oid:2.49.0.1.124.2139079318.2026
⚠️ 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.
18:26  yellow advisory - frost - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
cold
References: urn:oid:2.49.0.1.124.2574501355.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
19:10  yellow watch - severe thunderstorm - in effect (view from source)
AlertMetExpected
Moderate
Likely
Environment Canada
floodingfog-and-humidityhaillightningrainthunderstormstornadoeswindmonitorshelteruse-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.
20:39  special marine warning in effect (view from source)
UpdateMetImmediate
Moderate
Likely
Environment Canada
coldmonitor
References: urn:oid:2.49.0.1.124.4166665679.2026, urn:oid:2.49.0.1.124.0910059333.2026
⚠️ 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.
20:39  special marine warning in effect (view from source)
AlertMetImmediate
Moderate
Likely
Environment Canada
coldmonitor
⚠️ 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.
20:39  special marine warning in effect (view from source)
UpdateMetImmediate
Moderate
Observed
Environment Canada
coldmonitor
References: urn:oid:2.49.0.1.124.1934080096.2026, urn:oid:2.49.0.1.124.1331673164.2026, urn:oid:2.49.0.1.124.1680232312.2026
⚠️ 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.
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
20:40  yellow warning - rainfall - in effect (view from source)
UpdateMetFuture
Moderate
Likely
Environment Canada
floodinggeological-displacementrainmonitorobserve-report
References: urn:oid:2.49.0.1.124.3441778147.2026, urn:oid:2.49.0.1.124.3588850229.2026, urn:oid:2.49.0.1.124.2519098089.2026 (+6 earlier)
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
20:46  yellow warning - wind - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
debristech-hazardswindmonitorobserve-report
⚠️ content.no_instruction_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
21:11  yellow advisory - frost - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
agriculturecold
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
21:17  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible
Environment Canada
marinethunderstormswindmonitorshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
21:17  squall watch in effect (view from source)
AlertMetExpected
Severe
Possible
Environment Canada
marinethunderstormswindmonitorshelter
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
21:44  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:2.49.0.1.124.2860041758.2026, urn:oid:2.49.0.1.124.2546524229.2026, urn:oid:2.49.0.1.124.2695320604.2026 (+17 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.
21:57  yellow watch - severe thunderstorm - in effect (view from source)
UpdateMetExpected
Moderate
Likely
Environment Canada
floodingfog-and-humidityhailrainthunderstormstornadoeswindmonitorobserve-reportshelteruse-cautionwear-protection
References: urn:oid:2.49.0.1.124.1321316733.2026
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
22:18  yellow warning - storm surge - in effect (view from source)
UpdateEnv+MetImmediate
Moderate
Likely
Environment Canada
coastalfloodingmonitor
References: urn:oid:2.49.0.1.124.3780550751.2026, urn:oid:2.49.0.1.124.2139079318.2026, urn:oid:2.49.0.1.124.1367263739.2026
⚠️ 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.
22:23  yellow warning - rainfall - in effect (view from source)
AlertMetFuture
Moderate
Likely
Environment Canada
floodingfog-and-humidityrainthunderstormsavoidmonitoruse-caution
⚠️ 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.
10:40  [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.
20:24  [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_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
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.