523
WWCN12 CWTO 301212
YELLOW WATCH - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 8:12 A.M. EDT TUESDAY 30 JUNE 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
MANITOUWADGE - HORNEPAYNE
NAKINA - AROLAND - PAGWA
WAWA - WHITE RIVER - PUKASKWA.
YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:
GERALDTON - LONGLAC - CARAMAT
MARATHON - SCHREIBER.
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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
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