747
WUCN12 CWTO 200902
YELLOW WARNING - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:02 A.M. EDT MONDAY 20 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
SEINE RIVER VILLAGE - MINE CENTRE
ATIKOKAN - SHEBANDOWAN - QUETICO PARK.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 6:00 A.M. CDT (6:00 A.M. EST, 7:00 A.M. EDT).
AT 4:01 A.M. CDT (4:01 A.M. EST, 5:01 A.M. EDT), ENVIRONMENT CANADA
METEOROLOGISTS ARE TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE
OF PRODUCING STRONG WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY
RAIN.
THUNDERSTORM LOCATION: EXTENDING FROM 20 KM NORTHWEST OF MARMION
LAKE TO SAND POINT LAKE
MOTION: MOVING EAST AT 40 KM/H
HAZARDS:
WIND: STRONG (UP TO 90 KM/H)
HAIL: LOONIE SIZED HAIL (2.5 CM)
RAIN: HEAVY (15 - 50 MM)
LOCATIONS IN THE PATH:
SAND POINT LAKE
LAC LA CROIX
STEEP ROCK LAKE
MARMION LAKE
QUETICO LAKE
SAPAWE
POOHBAH LAKE
KAWENE
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO
VISIBILITY. LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY.
THERE IS A RISK OF INJURY. TAKE IMMEDIATE COVER IF A THUNDERSTORM
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND
HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING
KILLS AND INJURES CANADIANS EVERY YEAR. SEVERE THUNDERSTORM WARNINGS
ARE ISSUED WHEN IMMINENT OR OCCURRING THUNDERSTORMS ARE EXPECTED TO
PRODUCE 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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