933
WUCN11 CWTO 240036
SEVERE THUNDERSTORM WARNING
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 8:36 P.M. EDT SATURDAY 23 AUGUST 2025.
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SEVERE THUNDERSTORM WARNING FOR:
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
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==DISCUSSION==
UPDATED OR ENDED BY 10:01 P.M. EDT.
AT 8:36 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO
TOONIE SIZE HAIL AND HEAVY RAIN.
A LINE OF SEVERE THUNDERSTORMS WEST OF PORT HURON WILL CROSS THE
BORDER NEAR 8.45 PM.
HAZARD: 90 KM/H WIND GUSTS AND QUARTER SIZE HAIL.
LOCATIONS IMPACTED INCLUDE:
SARNIA, SOMBRA, COURTRIGHT, CORUNNA, POINT EDWARD, BRIGHTS GROVE,
CAMLACHIE AND REECES CORNERS.
LOCAL UTILITY OUTAGES ARE LIKELY. LARGE HAIL MAY CAUSE SIGNIFICANT
DAMAGE AND INJURY. TAKE IMMEDIATE COVER IF A THUNDERSTORM
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND
HAIL.
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING
THUNDERSTORMS ARE EXPECTED TO PRODUCE 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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