WUCN11 CWTO 031226

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 8:26 A.M. EDT FRIDAY 3 JULY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      DUNNVILLE - CALEDONIA - HALDIMAND

      BRANTFORD - COUNTY OF BRANT

      ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION

      CITY OF HAMILTON.



YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      BURLINGTON - OAKVILLE.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 10:25 A.M. EDT.



AT 8:26 A.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS.



THUNDERSTORM LOCATION: 

FROM HAMILTON TO ONONDAGA. 



MOTION: MOVING QUICKLY TO THE EAST AT 70 KM/H 



HAZARDS: 

WIND: STRONG (UP TO 90 KM/H) 



LOCATIONS IN THE PATH: 

DUNDAS, HAMILTON, STONEY CREEK, BINBROOK, BEAMSVILLE, CALEDONIA.



LOCAL UTILITY OUTAGES ARE LIKELY. THERE IS A RISK OF INJURY. 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 X USING (HASH)ONSTORM. 



FOR MORE INFORMATION: 

HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.



HTTP://WEATHER.GC.CA



END/OSPC