347
WWCN11 CWTO 100131
SEVERE THUNDERSTORM WATCH
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 9:31 P.M. EDT WEDNESDAY 9 JULY 2025.
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SEVERE THUNDERSTORM WATCH FOR:
CHATHAM-KENT - RONDEAU PARK.
SEVERE THUNDERSTORM WATCH ENDED FOR:
WINDSOR - LEAMINGTON - ESSEX COUNTY
SARNIA - LAMBTON.
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==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING HEAVY RAIN.
HAZARDS:
HEAVY RAINFALL WITH RAINFALL RATES BETWEEN 30 AND 50 MM PER HOUR.
HAIL 2 CM IN DIAMETER.
WHEN:
THIS EVENING.
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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