752  
WWCN12 CWTO 232114  
SEVERE THUNDERSTORM WATCH  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 5:14 P.M. EDT SATURDAY 23 AUGUST 2025.  
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SEVERE THUNDERSTORM WATCH FOR:  
TIMMINS - COCHRANE  
GREATER SUDBURY AND VICINITY  
KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI  
ESPANOLA - KILLARNEY  
NORTH BAY - WEST NIPISSING.  
 
SEVERE THUNDERSTORM WATCH ENDED FOR:  
GOGAMA - FOLEYET.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND  
LARGE HAIL.  
 
HAZARDS:  
WIND GUSTS UP TO 90 KILOMETRES PER HOUR.  
UP TO TOONIE SIZED HAIL.  
 
WHEN:  
THIS EVENING.  
 
LOCAL UTILITY OUTAGES ARE POSSIBLE. DAMAGE TO ROOFS, FENCES,  
BRANCHES OR SOFT SHELTERS IS POSSIBLE. 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, 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  
 
END/OSPC  
 
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