831  
WWCN13 CWTO 141940  
SEVERE THUNDERSTORM WATCH  
FOR FAR NORTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 3:40 P.M. EDT THURSDAY 14 AUGUST 2025.  
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SEVERE THUNDERSTORM WATCH FOR:  
=NEW= SANDY LAKE - PIKANGIKUM.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS,  
DAMAGING HAIL AND TORRENTIAL RAIN.  
 
HAZARDS:  
WIND GUSTS UP TO 100 KILOMETRES PER HOUR.  
LOCAL RAINFALL UP TO 60 MILLIMETRES.  
UP TO PING PONG SIZED HAIL.  
THERE IS ALSO A RISK OF TORNADOES.  
 
WHEN:  
THIS EVENING UNTIL NEAR MIDNIGHT.  
 
ADDITIONAL INFORMATION:  
SCATTERED THUNDERSTORMS DEVELOPING AHEAD OF A COLD FRONT OVER  
MANITOBA WILL MOVE INTO ONTARIO THIS EVENING.  
 
UTILITY OUTAGES ARE 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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