517  
WWCN11 CWTO 130223  
SEVERE THUNDERSTORM WATCH  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 10:23 P.M. EDT SATURDAY 12 JULY 2025.  
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SEVERE THUNDERSTORM WATCH FOR:  
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK  
HUNTSVILLE - BAYSVILLE  
ALGONQUIN  
BURK'S FALLS - BAYFIELD INLET.  
 
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==DISCUSSION==  
 
THUNDERSTORMS EARLY TONIGHT WILL BE CAPABLE OF PRODUCING SEVERE WIND  
GUSTS AND HEAVY RAIN.  
 
WHAT:  
WIND GUSTS UP TO 100 KM/H.  
HEAVY DOWNPOURS.  
 
WHEN:  
EARLY TONIGHT.  
 
ADDITIONAL INFORMATION:  
THOSE IN EXPOSED AREAS, SUCH AS CAMPERS, HIKERS, OR ANYONE WITHOUT  
ACCESS TO STURDY SHELTER ARE AT GREATER RISK FROM LIGHTNING, STRONG  
WINDS, AND HEAVY RAIN.  
 
DO NOT WAIT UNTIL THE STORM IS OVERHEAD. MOVE TO SAFETY AS SOON AS  
YOU HEAR THUNDER.  
 
UTILITY OUTAGES ARE POSSIBLE. SIGNIFICANT DAMAGE TO PROPERTY,  
BUILDINGS AND TREES IS POSSIBLE. THERE IS A RISK OF SERIOUS INJURY.  
BE PREPARED FOR SEVERE WEATHER. IF THREATENING WEATHER APPROACHES,  
TAKE COVER IN A BASEMENT OR INTERIOR ROOM. IF OUTSIDE, PROTECT  
YOURSELF FROM FLYING DEBRIS AND HAIL. WHEN THUNDER ROARS, GO  
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS  
EVERY YEAR. SECURE LOOSE OBJECTS.  
 
STRONG WIND GUSTS CAN DAMAGE TREES, BUILDINGS AND OVERTURN VEHICLES.  
 
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 IN ONTARIO, 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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