703
WUCN11 CWTO 241622
SEVERE THUNDERSTORM WARNING
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:22 P.M. EDT WEDNESDAY 24 SEPTEMBER 2025.
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SEVERE THUNDERSTORM WARNING FOR:
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
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==DISCUSSION==
UPDATED OR ENDED BY 2:20 P.M. EDT.
AT 12:21 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN.
THIS CLUSTER OF SEVERE THUNDERSTORMS IS LOCATED FROM MAFEKING TO
SAINT HELENS, MOVING NORTH AT 10 KM/H.
HAZARD:
HEAVY RAIN WITH TOTAL AMOUNTS OF 50 TO 75 MM.
LOCATIONS IMPACTED INCLUDE:
MAFEKING, SAINT HELENS, ZION, AND BELFAST.
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO
VISIBILITY. 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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