402
WUCN11 CWTO 031944
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:44 P.M. EDT THURSDAY 3 SEPTEMBER 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= RODNEY - SHEDDEN - WESTERN ELGIN COUNTY
=NEW= STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY
SARNIA - LAMBTON.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 4:42 P.M. EDT.
AT 3:43 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED NEAR SARNIA. THIS
SEVERE THUNDERSTORM IS MOVING QUICKLY TO THE EAST AT 60
KM/H. DAMAGING WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN
ARE POSSIBLE.
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: SARNIA,
BRIGHTS GROVE, WYOMING, FOREST, WATFORD, STRATHROY
RISK OF A TORNADO
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. DAMAGE TO ROOFS, FENCES, SOFT
SHELTERS OR TREES IS LIKELY. HEAVY RAIN MAY CAUSE FLASH FLOODING AND
SIGNIFICANT REDUCTIONS TO VISIBILITY. IF YOU HEAR ROARING WIND, SEE
A FUNNEL CLOUD, FLYING DEBRIS, OR ANY THREATENING WEATHER
APPROACHING, TAKE SHELTER IMMEDIATELY.
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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