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Asia - Pacific


Napierville, QC

Alerts in Effect

Severe Thunderstorm Watch

Issued at 22:17 Saturday 21 May 2022

Conditions are favourable for the development of severe thunderstorms capable of producing very strong wind gusts, large hail and heavy rain tonight.


Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Water-related activities may be unsafe due to violent and sudden gusts of wind over bodies of water.

Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #QCStorm.

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