834  
WUCN11 CWTO 022232  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:32 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY  
SIMCOE - DELHI - NORFOLK  
DUNNVILLE - CALEDONIA - HALDIMAND  
OXFORD - BRANT.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY  
NIAGARA  
CITY OF HAMILTON.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 7:31 P.M. EDT.  
 
AT 6:32 P.M. EDT, A LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM  
CORINTH TO SIMS LOCKS. THESE SEVERE THUNDERSTORMS ARE MOVING QUICKLY  
TO THE SOUTHEAST AT 65 KM/H. STRONG WIND GUSTS, UP TO QUARTER SIZE  
HAIL AND HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE:  
HAGERSVILLE, DELHI, HALDIMAND COUNTY, CAYUGA, SIMCOE, PORT DOVER,  
DUNNVILLE  
 
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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