461
WWCN11 CWTO 022240
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 6:40 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
TAMWORTH - SYDENHAM - SOUTH FRONTENAC
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY
RENFREW - ARNPRIOR - CALABOGIE.
YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:
STIRLING - TWEED - MADOC
BANCROFT - BON ECHO PARK
BARRY'S BAY - KILLALOE
PETAWAWA - PEMBROKE - COBDEN.
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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,
LARGE HAIL AND HEAVY RAIN.
HAZARDS:
STRONG WIND GUSTS UP TO 100 KM/H.
NICKEL TO TOONIE SIZE HAIL.
TORRENTIAL DOWNPOURS.
RISK OF A TORNADO.
TIMING:
LATE THIS AFTERNOON INTO EARLY THIS EVENING.
ADDITIONAL INFORMATION:
THE PRIMARY CONCERN WITH ANY THUNDERSTORMS WILL BE FOR STRONG AND
POTENTIALLY DAMAGING WINDS ALONG WITH LARGE HAIL AND TORRENTIAL
RAIN. THAT BEING SAID, CONDITIONS COULD BECOME FAVOURABLE FOR SOME
THUNDERSTORMS TO BE ABLE TO PRODUCE A TORNADO.
LOCAL UTILITY OUTAGES ARE POSSIBLE. DAMAGE TO ROOFS, FENCES,
BRANCHES OR SOFT SHELTERS IS POSSIBLE. THERE IS A RISK OF INJURY. BE
PREPARED FOR SEVERE WEATHER. IF THREATENING WEATHER APPROACHES, TAKE
COVER IN A BASEMENT OR INTERIOR ROOM. IF OUTSIDE, PROTECT YOURSELF
FROM FLYING DEBRIS AND HAIL. WHEN THUNDER ROARS, GO
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS
EVERY YEAR.
LARGE HAIL CAN CAUSE SIGNIFICANT DAMAGE AND INJURY.
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 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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