713
WUCN11 CWTO 031643
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:43 P.M. EDT THURSDAY 3 SEPTEMBER 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY
CHATHAM-KENT - RONDEAU PARK
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 1:25 P.M. EDT.
AT 12:41 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED OVER BEAVER
MEADOW. THIS SEVERE THUNDERSTORM IS MOVING EAST AT 55 KM/H. STRONG
WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE.
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: WALPOLE
ISLAND, WALLACEBURG, DRESDEN, OIL SPRINGS, THAMESVILLE, BOTHWELL
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.
LOCAL UTILITY OUTAGES ARE LIKELY. HEAVY RAIN MAY CAUSE FLASH
FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY.
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 SOCIAL MEDIA USING
(HASH)ONSTORM.
FOR MORE INFORMATION:
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.
HTTP://WEATHER.GC.CA
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