879  
WUCN11 CWTO 190107  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 9:07 P.M. EDT FRIDAY 18 APRIL 2025.  
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SEVERE THUNDERSTORM WARNING FOR:  
=NEW= LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY  
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
 
SEVERE THUNDERSTORM WARNING ENDED FOR:  
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 11:06 P.M. EDT.  
 
AT 9:07 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO  
NICKEL SIZE HAIL AND HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED NEAR KERWOOD, MOVING EAST AT 85  
KM/H.  
 
HAZARD: NICKEL SIZE HAIL.  
 
LOCATIONS IMPACTED INCLUDE:  
LONDON, STRATHROY, ILDERTON, KERWOOD, SABLE, ADELAIDE, SPRINGBANK,  
NAIRN, POPLAR HILL, DENFIELD, ARVA, BRYANSTON AND THORNDALE.  
 
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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