376
WUCN11 CWTO 022146
RED WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:46 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.
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RED LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION
CITY OF HAMILTON
BURLINGTON - OAKVILLE
HALTON HILLS - MILTON
MISSISSAUGA - BRAMPTON
KITCHENER - CAMBRIDGE - REGION OF WATERLOO
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.
RED LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:
CITY OF TORONTO
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.
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IMPACT LEVEL: EXTREME
FORECAST CONFIDENCE: VERY HIGH
==DISCUSSION==
UPDATED OR ENDED BY 6:42 P.M. EDT.
AT 5:43 P.M. EDT, A LINE OF EXTREMELY DANGEROUS THUNDERSTORMS IS
LOCATED FROM ARISS TO CAMBRIDGE THEN TO WOODSTOCK. THESE EXTREMELY
DANGEROUS THUNDERSTORMS ARE MOVING QUICKLY TO THE EAST AT 100
KM/H. DESTRUCTIVE WIND GUSTS, LOONIE TO PING PONG BALL SIZE HAIL AND
HEAVY RAIN ARE POSSIBLE.
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE:
KITCHENER, HAMILTON, MISSISSAUGA
THIS IS A PARTICULARLY DANGEROUS STORM WITH RADAR ESTIMATED WINDS
REACHING NEAR 150 KM/H POSSIBLE.
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.
DRIVING CONDITIONS WILL BE DIFFICULT. BUILDINGS AND/OR MANY TREES
WILL BE DESTROYED. LARGE HAIL WILL CAUSE SIGNIFICANT DAMAGE AND
INJURY. THERE IS A RISK OF LIFE-THREATENING INJURY. AVOID LOW-LYING
AREAS.
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.
PROLONGED OR WIDESPREAD UTILITY OUTAGES ARE EXPECTED.
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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