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