urn:oid:2.49.0.1.124.1062948385.2026cap-pac@canada.ca2026-04-17T14:51:54-00:00ActualUpdateEnv. 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 – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 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 Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) 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 – février 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 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 au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) 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/cap-pac@canada.ca,urn:oid:2.49.0.1.124.0464116045.2026,2026-04-16T20:18:18-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.3183185720.2026,2026-04-17T01:38:50-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.1862215269.2026,2026-04-17T09:42:37-00:00en-CAMetwinter stormMonitorExpectedModerateLikelygeneral publicprofile:CAP-CP:Event:0.4winterStormSAMEWSW2026-04-17T14:51:54-00:002026-04-17T22:00:00-00:002026-04-18T06:51:54-00:00Environment Canadayellow warning - winter storm - in effect
A significant late season winter storm begins this evening.
What:
Snowfall amounts of 20 to 35 cm.
Significantly reduced visibility in snow and blowing snow.
When:
Beginning this evening and continuing through Sunday morning.
Discussion:
Snow, at times heavy, is expected to move into the area this evening. Strong winds gusting up to 70 km/h will develop Saturday afternoon. These strong winds combined with the falling snow will produce significantly reduced visibility in blowing snow.
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Travel will likely be challenging.
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.
Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.
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-2.0/20260417144830387/WW_13_73_CWTO/WSW/185202471571640691202604160503_WW_13_73_CWTO/actual/en_proper_complete_c-fr_proper_complete_c/NinJolayer:EC-MSC-SMC:1.1:CAP_countA:17473 M:90512 C:101965layer:EC-MSC-SMC:1.0:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.0:Alert_Nameyellow warning - winter stormlayer: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_Areas042200layer:EC-MSC-SMC:1.1:Event_End_Time2026-04-19T16:00:00.000Zlayer: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 Severn56.8474,-88.9894 56.9017,-88.9057 56.724,-88.6479 56.4915,-87.9073 56.1029,-87.4589 56.0007,-86.9972 55.9096,-87.0016 55.0075,-87.0122 55.2549,-87.9707 55.4984,-88.8527 55.7142,-89.6861 55.9307,-90.4723 56.1351,-90.1757 56.3004,-89.8863 56.8474,-88.9894layer:EC-MSC-SMC:1.0:CLC042200profile:CAP-CP:Location:0.33560078profile:CAP-CP:Location:0.33560090Peawanuck56.0007,-86.9972 55.7283,-85.6784 55.3741,-84.958 55.3859,-83.9602 55.2286,-82.9498 55.1832,-82.7847 55.1755,-82.2786 55.0671,-82.007 54.6123,-82.0824 53.9804,-81.9568 54.0004,-82.2294 54.0006,-82.2369 54.0287,-83.7002 55.0039,-87.008 55.0075,-87.0122 55.9096,-87.0016 56.0007,-86.9972layer:EC-MSC-SMC:1.0:CLC042300profile:CAP-CP:Location:0.33560090profile:CAP-CP:Location:0.33560091fr-CAMettempête hivernaleMonitorExpectedModerateLikelygrand publicprofile:CAP-CP:Event:0.4winterStormSAMEWSW2026-04-17T14:51:54-00:002026-04-17T22:00:00-00:002026-04-18T06:51:54-00:00Environnement Canadaavertissement jaune - tempête hivernale - en vigueur
Une importante tempête hivernale tardive commencera ce soir.
Quoi :
De 20 à 35 cm de neige.
Visibilité considérablement réduite sous la neige et dans la poudrerie.
Quand :
À compter de ce soir et jusqu'à dimanche matin.
Description :
La neige, parfois forte, devrait gagner la région ce soir. Des vents forts soufflant en rafales jusqu'à 70 km/h se lèveront samedi après-midi. Ensemble, ces vents forts et la neige qui tombe réduiront considérablement la visibilité dans la poudrerie.
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Les déplacements seront probablement difficiles.
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.
Songez à reporter les déplacements non essentiels et les activités en plein air jusqu’à ce que les conditions s’améliorent. Préparez-vous à quelques perturbations des transports et des services publics.
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