urn:oid:2.49.0.1.124.0762721539.2026cap-pac@canada.ca2026-05-18T18:09:22-00:00ActualAlertEnv. Can. - Can. Met. Ctr. – MontréalPublicprofile:CAP-CP:0.4layer:SOREM:1.0layer:EC-MSC-SMC:1.0layer:EC-MSC-SMC:1.1layer:SOREM:2.0Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/en-CAMetsnowfallMonitorFutureModerateLikelygeneral publicprofile:CAP-CP:Event:0.4snowfallSAMEWSW2026-05-18T18:09:22-00:002026-05-19T10:00:00-00:002026-05-19T10:09:22-00:00Environment Canadayellow warning - snowfall - in effect
Snowfall, with total amounts of 10 to 15 cm is expected.
What:
Snowfall amounts of 15 cm are expected.
When:
Tuesday morning into Tuesday evening.
###
Travel will likely be challenging. Local utility outages are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
https://weather.gc.ca/layer:EC-MSC-SMC:1.0:Alert_Typewarninglayer:EC-MSC-SMC:1.0:Broadcast_Intrusivenolayer:SOREM:1.0:Broadcast_ImmediatelyNolayer:EC-MSC-SMC:1.1:Parent_URImsc/alert/environment/hazard/alert-3.0-ascii/consolidated-xml-2.0/20260518180512067/WW_13_73_CWTO/SFW/1714117671045465421202605180503_WW_13_73_CWTO/actual/en_proper_complete_c-fr_proper_complete_c/NinJolayer:EC-MSC-SMC:1.1:CAP_countA:18057 M:93369 C:105112layer:EC-MSC-SMC:1.0:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.0:Alert_Nameyellow warning - snowfalllayer:EC-MSC-SMC:1.0:Alert_CoverageFar Northern Ontariolayer:EC-MSC-SMC:1.1:Designation_CodeWW_13_73_CWTOlayer:SOREM:2.0:WirelessImmediateNolayer:EC-MSC-SMC:1.1:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.1:Newly_Active_Areas042720,049310layer:EC-MSC-SMC:1.1:Event_End_Time2026-05-20T06:00:00.000Zlayer:EC-MSC-SMC:1.1:MSC_Risk_Tiered_Ranking8layer:EC-MSC-SMC:1.1:MSC_Impactmoderatelayer:EC-MSC-SMC:1.1:MSC_Confidencehighlayer:EC-MSC-SMC:1.1:ColouryellowFort Hope - Lansdowne House - Ogoki51.1626,-84.3362 51.0571,-84.4653 51.0622,-84.57 51.1686,-84.8479 51.159,-87.4321 51.1568,-87.9963 52.2453,-87.9904 52.2455,-83.0383 52.2453,-83.0302 51.9291,-82.9115 51.8669,-82.8342 51.8669,-82.8343 51.4893,-83.2673 51.2539,-83.9119 51.1582,-84.05 51.1626,-84.3362layer:EC-MSC-SMC:1.0:CLC042720profile:CAP-CP:Location:0.33556092profile:CAP-CP:Location:0.33558090profile:CAP-CP:Location:0.33560052profile:CAP-CP:Location:0.33560053profile:CAP-CP:Location:0.33560081profile:CAP-CP:Location:0.33560090Fort Albany51.3164,-82.1507 51.3124,-82.1596 51.8669,-82.8343 51.9291,-82.9115 52.4649,-81.6114 52.4881,-81.4236 51.9724,-80.6927 51.8769,-80.8373 51.8738,-80.8407 51.3164,-82.1507layer:EC-MSC-SMC:1.0:CLC049310profile:CAP-CP:Location:0.33556092profile:CAP-CP:Location:0.33556093profile:CAP-CP:Location:0.33560050profile:CAP-CP:Location:0.33560090fr-CAMetneigeMonitorFutureModerateLikelygrand publicprofile:CAP-CP:Event:0.4snowfallSAMEWSW2026-05-18T18:09:22-00:002026-05-19T10:00:00-00:002026-05-19T10:09:22-00:00Environnement Canadaavertissement jaune - neige - en vigueur
De la neige, laissant une accumulation totale de 10 à 15 cm est prévue.
Quoi :
Une accumulation de 15 cm de neige est prévue.
Quand :
De mardi matin jusqu'à mardi soir.
###
Les déplacements seront probablement difficiles. Des pannes de courant sont possibles par endroits.
Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour signaler du temps violent, envoyez un courriel à meteoON@ec.gc.ca ou publiez un message sur X en utilisant #ONMeteo.
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