063
WWCN11 CWTO 091825
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 2:25 P.M. EDT SATURDAY 9 MAY 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
=NEW= WINDSOR - ESSEX - CHATHAM-KENT
=NEW= SARNIA - LAMBTON
=NEW= ELGIN
=NEW= LONDON - MIDDLESEX
=NEW= GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND
LARGE HAIL.
WHAT:
STRONG WINDS GUSTING UP TO 90 KM/H
UP TO LOONIE SIZED HAIL
RISK OF A TORNADO
WHEN:
THIS AFTERNOON.
ADDITIONAL INFORMATION:
A LINE OF THUNDERSTORMS HAS DEVELOPED OVER MICHIGAN AND WILL TRACK
EAST THROUGH THE AREA THIS AFTERNOON.
LOCAL UTILITY OUTAGES ARE POSSIBLE. WHEN THUNDER ROARS, GO
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS
EVERY YEAR. SECURE LOOSE OBJECTS. STRONG WIND GUSTS CAN DAMAGE
TREES, BUILDINGS AND OVERTURN VEHICLES. SEVERE THUNDERSTORM WATCHES
ARE ISSUED WHEN CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF
THUNDERSTORMS CAPABLE OF PRODUCING 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
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