719  
WUCN11 CWTO 190032  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 8:32 P.M. EDT FRIDAY 18 APRIL 2025.  
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SEVERE THUNDERSTORM WARNING FOR:  
=NEW= SARNIA - PETROLIA - WESTERN LAMBTON COUNTY  
=NEW= WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 10:31 P.M. EDT.  
 
AT 8:32 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO  
TOONIE SIZE HAIL AND HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED 10 KILOMETRES NORTH OF BRIGDEN,  
MOVING EAST AT 75 KM/H.  
 
HAZARD: TOONIE SIZE HAIL.  
 
LOCATIONS IMPACTED INCLUDE:  
PETROLIA, FOREST, WATFORD, BRIGDEN, CAMLACHIE, WYOMING, REECES  
CORNERS, WARWICK, ARKONA AND KERWOOD.  
 
LARGE HAIL CAN DAMAGE PROPERTY AND CAUSE INJURY. LIGHTNING KILLS AND  
INJURES CANADIANS EVERY YEAR. REMEMBER, WHEN THUNDER ROARS, GO  
INDOORS(EXCLAMATION MARK)  
 
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING  
THUNDERSTORMS ARE LIKELY TO PRODUCE OR ARE PRODUCING ONE OR MORE OF  
THE FOLLOWING: LARGE HAIL, DAMAGING WINDS, TORRENTIAL RAINFALL.  
 
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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