318  
WUCN11 CWTO 022047  
ORANGE WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:47 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
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ORANGE LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
CITY OF TORONTO  
MISSISSAUGA - BRAMPTON  
CALEDON  
VAUGHAN - RICHMOND HILL - MARKHAM.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
 
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IMPACT LEVEL: HIGH  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 5:45 P.M. EDT.  
 
AT 4:46 P.M. EDT, A DANGEROUS THUNDERSTORM IS LOCATED OVER  
WOODBRIDGE. THIS DANGEROUS THUNDERSTORM IS MOVING SOUTHEAST AT 40  
KM/H. DAMAGING WIND GUSTS, GOLF BALL TO TENNIS BALL SIZE HAIL AND  
VERY HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: NOBLETON,  
BRAMALEA, KLEINBURG, CLAIREVILLE RESERVOIR, WOODBRIDGE, VAUGHAN,  
BLACK CREEK PIONEER VILLAGE, ETOBICOKE, RICHMOND HILL, THORNHILL  
 
TAKE IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF OUTSIDE,  
PROTECT YOURSELF FROM FLYING DEBRIS AND HAIL.  
 
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING  
THUNDERSTORMS ARE EXPECTED TO PRODUCE 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 SOCIAL MEDIA USING  
(HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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