814  
WWCN11 CWTO 110116  
SEVERE THUNDERSTORM WATCH  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 8:16 P.M. EST SUNDAY 10 NOVEMBER 2024.  
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SEVERE THUNDERSTORM WATCH FOR:  
SARNIA - LAMBTON  
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY  
WINGHAM - BLYTH - NORTHERN HURON COUNTY  
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS.  
 
A LINE OF SEVERE THUNDERSTORMS IS POSSIBLE THIS EVENING.  
 
HAZARDS:  
WIND GUSTS NEAR 90 KM/H.  
TREE DAMAGE AND POWER OUTAGES ARE POSSIBLE.  
AN ISOLATED TORNADO MAY ALSO BE POSSIBLE.  
 
TIMING:  
THIS EVENING TO LATE THIS EVENING.  
 
DESCRIPTION:  
A LINE OF THUNDERSTORMS IS APPROACHING FROM MICHIGAN THIS EVENING  
AND MOVING EAST AT 80 KM/H. WIND GUSTS UP TO 90 KM/H ARE POSSIBLE  
WITH A FEW OF THESE THUNDERSTORMS.  
 
VERY STRONG WIND GUSTS CAN DAMAGE BUILDINGS, DOWN TREES AND BLOW  
LARGE VEHICLES OFF THE ROAD. LIGHTNING KILLS AND INJURES CANADIANS  
EVERY YEAR. REMEMBER, WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION  
MARK)  
 
SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN ATMOSPHERIC CONDITIONS  
ARE FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS THAT COULD  
PRODUCE ONE OR MORE OF THE FOLLOWING: LARGE HAIL, DAMAGING WINDS,  
TORRENTIAL RAINFALL.  
 
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 TWEET REPORTS USING (HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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