urn:oid:2.49.0.1.124.1437958362.2026cap-pac@canada.ca2026-05-05T20:24:13-00:00ActualAlertEnv. Can. - Can. Met. Ctr. – MontréalPublicprofile:CAP-CP:0.4layer:SOREM:1.0layer:EC-MSC-SMC:1.0layer:EC-MSC-SMC:1.1layer:SOREM:2.0Notification 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/ | Service 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/fr-CAMetgrainsMonitorImmediateSevereLikelygrand publicprofile:CAP-CP:Event:0.4squallSAMESVR2026-05-05T20:24:13-00:002026-05-05T20:19:00-00:002026-05-05T22:53:13-00:00Environnement Canadaavertissement de grains en vigueur
Des grains accompagnés de rafales jusqu'à 40 noeuds menacent le Bas-Richelieu.
###
Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour plus d’information, écoutez la station radio de la Garde côtière canadienne ou Radiométéo.
Les navigateurs devraient se préparer à affronter des grains. Si vous naviguez déjà, cherchez un havre immédiatement. Envisagez la possibilité de retarder ou de reporter les déplacements dans les secteurs visés par l’avertissement de grains.
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The Lower-Richelieu is at risk for squalls accompanied by gusts of up to 40 knots.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
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