748  
WUCN11 CWTO 021843  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 2:43 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
CITY OF TORONTO  
MISSISSAUGA - BRAMPTON  
CALEDON  
VAUGHAN - RICHMOND HILL - MARKHAM  
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
INNISFIL - NEW TECUMSETH - ANGUS.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 3:10 P.M. EDT.  
 
AT 2:41 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED NEAR BOLTON. THIS  
SEVERE THUNDERSTORM IS MOVING EAST AT 55 KM/H. DAMAGING WIND GUSTS,  
LOONIE TO PING PONG BALL SIZE HAIL AND HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: CEDAR  
MILLS, BOLTON, LLOYDTOWN, SCHOMBERG, NOBLETON, POTTAGEVILLE,  
KLEINBURG, WOODBRIDGE, KING CITY, VAUGHAN  
 
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.  
 
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT  
SHELTERS OR TREES IS LIKELY. HEAVY RAIN MAY CAUSE FLASH FLOODING AND  
SIGNIFICANT REDUCTIONS TO VISIBILITY. THERE IS A RISK OF INJURY.  
DON'T DRIVE THROUGH FLOODED ROADWAYS.  
 
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.  
 
AVOID LOW-LYING AREAS. LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND  
INJURY.  
 
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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