013  
WUCN11 CWTO 022236  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:36 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
NIAGARA.  
 
ORANGE LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
CITY OF TORONTO  
CITY OF HAMILTON  
BURLINGTON - OAKVILLE  
HALTON HILLS - MILTON  
MISSISSAUGA - BRAMPTON.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 7:33 P.M. EDT.  
 
AT 6:34 P.M. EDT, A LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM  
JORDAN HARBOUR TO VINELAND THEN TO SMITHVILLE. THESE SEVERE  
THUNDERSTORMS ARE MOVING QUICKLY TO THE EAST AT 100 KM/H. STRONG  
WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE:  
BEAMSVILLE, VINELAND, ST. CATHARINES, THOROLD, NIAGARA FALLS,  
WELLAND, FORT ERIE  
 
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.  
 
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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