227  
WUCN11 CWTO 110455  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 11:55 P.M. EST SUNDAY 10 NOVEMBER 2024.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
=NEW= COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY  
=NEW= LINDSAY - SOUTHERN KAWARTHA LAKES  
=NEW= PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY  
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION  
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION  
PICKERING - OSHAWA - SOUTHERN DURHAM REGION  
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.  
 
SEVERE THUNDERSTORM WARNING ENDED FOR:  
CITY OF TORONTO  
VAUGHAN - RICHMOND HILL - MARKHAM  
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 1:53 A.M. EST.  
 
AT 11:54 P.M. EST, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING VERY STRONG WIND  
GUSTS.  
 
THIS LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM JANETVILLE TO 30  
KILOMETRES SOUTHEAST OF DOWNTOWN TORONTO TO WAINFLEET, MOVING EAST  
AT 80 KM/H.  
 
HAZARD: 90 KM/H WIND GUSTS. A TORNADO IS ALSO POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE:  
ST. CATHARINES, NIAGARA FALLS, PICKERING, FORT ERIE, OSHAWA,  
PETERBOROUGH, WELLAND, AJAX, PORT PERRY, WHITBY, BOWMANVILLE, PORT  
HOPE, PELHAM, FONTHILL, SHORT HILLS PROVINCIAL PARK, THOROLD,  
NIAGARA-ON-THE-LAKE, MOUNT ZION, BROOKLIN AND SCUGOG.  
 
STRONG WIND GUSTS CAN TOSS LOOSE OBJECTS, DAMAGE WEAK BUILDINGS,  
BREAK BRANCHES OFF TREES AND OVERTURN LARGE VEHICLES. REMEMBER,  
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. 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 TWEET REPORTS USING (HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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