109  
WUCN11 CWTO 022024  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:24 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  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY  
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.  
 
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 5:02 P.M. EDT.  
 
AT 4:23 P.M. EDT, A LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM  
KING CITY TO CALEDON THEN TO ORANGEVILLE. THESE SEVERE THUNDERSTORMS  
ARE MOVING SOUTHEAST AT 35 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: VAUGHAN,  
RICHMOND HILL, MARKHAM, BRAMPTON  
 
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. LARGE HAIL MAY CAUSE  
SIGNIFICANT DAMAGE AND INJURY. THERE IS A RISK OF INJURY. DON'T  
DRIVE THROUGH FLOODED ROADWAYS. AVOID LOW-LYING AREAS.  
 
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.  
 
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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