WWCN12 CWTO 301007

YELLOW WATCH - SEVERE THUNDERSTORM

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 6:07 A.M. EDT TUESDAY 30 JUNE 2026.

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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:

=NEW= MANITOUWADGE - HORNEPAYNE

=NEW= WAWA - WHITE RIVER - PUKASKWA

      GERALDTON - LONGLAC - CARAMAT

      NAKINA - AROLAND - PAGWA

      MARATHON - SCHREIBER.



YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:

      BEARDMORE - JELLICOE - MACDIARMID

      ARMSTRONG - AUDEN - WABAKIMI PARK

      NIPIGON - ROSSPORT.



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IMPACT LEVEL: HIGH

FORECAST CONFIDENCE: MODERATE



==DISCUSSION==



CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE 

THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS, 

LARGE HAIL AND HEAVY RAIN.



WHAT: 

WIND GUSTS OF 90 TO 110 KM/H 

HAIL UP TO GOLF BALL SIZE 





WHEN: 

EARLY THIS MORNING. 



ADDITIONAL INFORMATION: 

THUNDERSTORMS ARE EXPECTED EARLY THIS MORNING. HAIL AND WIND ARE THE 

MAIN THREATS.



UTILITY OUTAGES ARE POSSIBLE. 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. DON'T DRIVE THROUGH FLOODED ROADWAYS. 

SECURE LOOSE OBJECTS. HEAVY RAIN CAN CAUSE FLASH FLOODING AND 

SIGNIFICANT REDUCTIONS TO VISIBILITY. STRONG WIND GUSTS CAN DAMAGE 

TREES, BUILDINGS AND OVERTURN VEHICLES. 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, 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