185
WWCN12 CWTO 201957
YELLOW WATCH - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:57 P.M. EDT MONDAY 20 JULY 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
=NEW= GERALDTON - LONGLAC - CARAMAT
=NEW= NAKINA - AROLAND - PAGWA
=NEW= MARATHON - SCHREIBER
CITY OF THUNDER BAY
SEINE RIVER VILLAGE - MINE CENTRE
ATIKOKAN - UPSALA - QUETICO
SUPERIOR WEST
LAKE NIPIGON - WABAKIMI
NIPIGON - ROSSPORT.
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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:
WIND GUSTS UP TO 90 KM/H.
QUARTER TO PING PONG BALL SIZED HAIL.
WHEN:
THIS AFTERNOON AND THIS EVENING.
LOCAL UTILITY OUTAGES ARE POSSIBLE. WHEN THUNDER ROARS, GO
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS
EVERY YEAR. SECURE LOOSE OBJECTS. 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, 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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