604  
WWCN12 CWTO 021512  
SEVERE THUNDERSTORM WATCH  
FOR NORTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 11:12 A.M. EDT WEDNESDAY 2 JULY 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WATCH FOR:  
=NEW= GREATER SUDBURY AND VICINITY  
=NEW= TEMISKAMING SHORES - TEMAGAMI  
=NEW= NORTH BAY - WEST NIPISSING.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS  
AND LARGE HAIL.  
 
WHAT:  
WIND GUSTS OF 100 KM/H.  
HAIL UP TO 3 CM.  
 
WHEN:  
THIS AFTERNOON AND EVENING.  
 
ADDITIONAL INFORMATION:  
ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND  
TRACK OVER THE AREA. THESE THUNDERSTORMS ARE EXPECTED TO MOVE EAST  
OF THE AREA LATER THIS EVENING.  
 
UTILITY OUTAGES ARE POSSIBLE. SIGNIFICANT DAMAGE TO PROPERTY,  
BUILDINGS AND TREES 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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