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WWCN11 CWTO 240012
SEVERE THUNDERSTORM WATCH
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 8:12 P.M. EDT SATURDAY 23 AUGUST 2025.
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SEVERE THUNDERSTORM WATCH FOR:
=NEW= SARNIA - LAMBTON.
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==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND
LARGE HAIL.
HAZARDS:
WIND GUSTS UP TO 90 KILOMETRES PER HOUR.
UP TO TOONIE SIZED HAIL.
WHEN:
THIS EVENING.
LOCAL UTILITY OUTAGES ARE POSSIBLE. 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(EXCLAMATION MARK) LIGHTNING
KILLS AND INJURES CANADIANS EVERY YEAR.
SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN CONDITIONS ARE
FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING HAIL, WIND OR RAIN.
EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER
IMMEDIATELY IF THREATENING WEATHER APPROACHES.
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY
ENVIRONMENT CANADA.
TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.
FOR MORE INFORMATION:
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.
HTTP://WEATHER.GC.CA
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