259
WUCN11 CWTO 022141
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:41 P.M. EDT THURSDAY 2 JULY 2026.
---------------------------------------------------------------------
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION
CITY OF HAMILTON
BURLINGTON - OAKVILLE.
---------------------------------------------------------------------
IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 7:40 P.M. EDT.
AT 5:41 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND
GUSTS AND VERY HEAVY RAIN.
THUNDERSTORM LOCATION: LINE OF THUNDERSTORMS EXTENDING FROM HAMILTON
TO LAKE ONTARIO NEAR STONEY CREEK.
MOTION: MOVING EAST AT 40 KM/H
HAZARDS:
WIND: VERY STRONG (90 KM/H)
HAIL: UP TO QUARTER SIZED HAIL (2.5 CM)
RAIN: VERY HEAVY (50 - 100 MM), DUE TO THUNDERSTORMS TRACKING
MULTIPLE TIMES OVER THE AREA.
LOCATIONS IN THE PATH:
DUNDAS, HAMILTON, STONEY CREEK, BEAMSVILLE, VINELAND
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT
SHELTERS OR TREES IS LIKELY. TAKE IMMEDIATE COVER IF A THUNDERSTORM
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS. 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page