urn:oid:2.49.0.1.124.2502073684.2026cap-pac@canada.ca2026-07-12T20:10:14-00:00ActualUpdateEnv. 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 – 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/cap-pac@canada.ca,urn:oid:2.49.0.1.124.2369039649.2026,2026-07-12T20:04:01-00:00en-CAMetthunderstormMonitorExpectedModerateLikelygeneral publicprofile:CAP-CP:Event:0.4thunderstormSAMESVA2026-07-12T20:04:01-00:002026-07-12T20:03:00-00:002026-07-13T04:59:01-00:00Environment Canadayellow watch - severe thunderstorm - in effect
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.
Hazards:
Wind gusts up to 100 km/h.
Up to quarter sized hail.
Locally heavy rainfall.
Timing:
Late this afternoon and early this evening.
Additional Remarks:
A low pressure system near the Nunavut border has brought humid, unstable air to the northern reaches of the province. Scattered thunderstorms are developing around the low as it tracks toward Churchill and the Hudson Bay coast later today.
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Strong wind gusts can damage trees, buildings and overturn vehicles. Large hail can cause significant damage and injury. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to MBstorm@ec.gc.ca, call 1-800-239-0484 or post reports on X using #MBStorm.
Be prepared for severe weather. If threatening weather approaches, take cover in a basement or interior room. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Secure loose objects.
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Les conditions sont propices à la formation d'orages violents pouvant produire des rafales fortes, de la grêle de grosse taille et de la pluie forte.
Dangers :
Rafales jusqu'à 100 km/h
Grêle pouvant atteindre la taille d'une pièce de 25 cents
Pluie forte par endroits
Période :
Tard cet après-midi et tôt ce soir.
Remarques supplémentaires :
Une dépression près de la frontière du Nunavut a fait affluer de l'air humide et instable sur les confins nord de la province. Des orages dispersés se forment autour de la dépression à mesure qu'elle se déplacera vers Churchill et la côte de la baie d'Hudson plus tard aujourd'hui.
###
Les fortes rafales peuvent endommager les arbres ou les bâtiments et renverser des véhicules. La grosse grêle peut causer d'importants dégâts et des blessures graves. Les veilles d'orages violents sont émises lorsque les conditions sont propices à la formation d'orages pouvant produire de la grêle, de la pluie ou des vents destructeurs.
Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour signaler du temps violent, envoyez un courriel à meteoMB@ec.gc.ca, appelez au 1-800-239-0484 ou publiez un message sur X en utilisant #MBMeteo.
Soyez prêt à composer avec des conditions météorologiques difficiles. Si vous voyez du temps menaçant, abritez-vous dans un sous-sol ou une pièce intérieure. Si vous êtes à l'extérieur, protégez-vous des débris volants et de la grêle. Quand le tonnerre gronde, rentrez vite! La foudre tue et blesse des Canadiens chaque année. Attachez les objets non fixés.
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