812
WUCN11 CWTO 041807
SEVERE THUNDERSTORM WARNING
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:07 P.M. EDT THURSDAY 4 SEPTEMBER 2025.
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SEVERE THUNDERSTORM WARNING FOR:
SMITHS FALLS - LANARK - SHARBOT LAKE
RENFREW - ARNPRIOR - CALABOGIE.
SEVERE THUNDERSTORM WARNING ENDED FOR:
BARRY'S BAY - KILLALOE.
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==DISCUSSION==
UPDATED OR ENDED BY 3:35 P.M. EDT.
AT 2:06 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY
RAIN.
THIS LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM SPRINGTOWN TO LONG
LAKE, MOVING NORTHEAST AT 60 KM/H.
HAZARD: 90 KM/H WIND GUSTS.
LOCATIONS IMPACTED INCLUDE:
ARNPRIOR, SHARBOT LAKE PROVINCIAL PARK, SHARBOT LAKE, SILVER LAKE
PROVINCIAL PARK, LANARK, LONG LAKE, DONALDSON, FLOWER ROUND LAKE,
CLYDE LAKE, MISSISSIPPI STATION, SPRINGTOWN, LAVANT, MCGEES POND,
STUMP LAKE, JOES LAKE, WHITE LAKE, TATLOCK, BULLOCK, BROOKE AND
FALLBROOK.
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT
SHELTERS OR TREES IS LIKELY. 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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