691  
WWCN12 CWTO 012250  
YELLOW WATCH - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:50 P.M. EDT TUESDAY 1 SEPTEMBER 2026.  
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:  
FRASERDALE - PLEDGER LAKE.  
 
YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:  
NAKINA - AROLAND - PAGWA.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND  
LARGE HAIL. THERE IS ALSO A RISK OF A TORNADO.  
 
WHAT:  
UP TO 90 KM/H WIND GUSTS  
QUARTER TO PING PONG BALL SIZE HAIL.  
RISK OF A TORNADO.  
 
WHEN:  
THIS EVENING.  
 
WHERE:  
AN AREA ACROSS FAR NORTHERN ONTARIO STRETCHING BETWEEN OGOKI POST  
AND MOOSONEE.  
 
ADDITIONAL INFORMATION:  
THE MAJORITY OF THESE THUNDERSTORMS ARE EXPECTED TO AFFECT  
UNPOPULATED AREAS.  
 
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 SOCIAL MEDIA USING  
(HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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