831  
WWCN11 CWTO 110428  
SEVERE THUNDERSTORM WATCH  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 11:28 P.M. EST SUNDAY 10 NOVEMBER 2024.  
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SEVERE THUNDERSTORM WATCH FOR:  
=NEW= BELLEVILLE - QUINTE - NORTHUMBERLAND  
=NEW= PICTON - SANDBANKS PARK  
=NEW= NAPANEE - CONSECON  
=NEW= LINDSAY - SOUTHERN KAWARTHA LAKES  
=NEW= PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY  
CITY OF TORONTO  
DUNNVILLE - CALEDONIA - HALDIMAND  
NIAGARA  
CITY OF HAMILTON  
BURLINGTON - OAKVILLE  
MISSISSAUGA - BRAMPTON  
YORK - DURHAM.  
 
SEVERE THUNDERSTORM WATCH ENDED FOR:  
SIMCOE - DELHI - NORFOLK  
BRANTFORD - COUNTY OF BRANT  
HALTON HILLS - MILTON  
CALEDON  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY  
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY  
INNISFIL - NEW TECUMSETH - ANGUS.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS.  
 
A LINE OF SEVERE THUNDERSTORMS IS POSSIBLE LATE THIS EVENING.  
 
HAZARDS:  
WIND GUSTS NEAR 90 KM/H.  
TREE DAMAGE AND POWER OUTAGES ARE POSSIBLE.  
AN ISOLATED TORNADO MAY ALSO BE POSSIBLE.  
 
TIMING:  
ENDING AFTER MIDNIGHT.  
 
DESCRIPTION:  
A LINE OF THUNDERSTORMS IS MOVING EAST THROUGH SOUTHERN ONTARIO AT  
80 KM/H.  
 
VERY STRONG WIND GUSTS CAN DAMAGE BUILDINGS, DOWN TREES AND BLOW  
LARGE VEHICLES OFF THE ROAD. REMEMBER, SEVERE THUNDERSTORMS CAN  
PRODUCE TORNADOES. LIGHTNING KILLS AND INJURES CANADIANS EVERY YEAR.  
REMEMBER, WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK)  
 
SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN ATMOSPHERIC CONDITIONS  
ARE FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS THAT COULD  
PRODUCE 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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