709
WUCN12 CWTO 200938
YELLOW WARNING - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:38 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 6:37 A.M. CDT (6:37 A.M. EST, 7:37 A.M. EDT).
AT 4:38 A.M. CDT (4:38 A.M. EST, 5:38 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 MARMION LAKE TO 15 KM
NORTHWEST OF CROOKED LAKE
MOTION: MOVING SOUTHEAST AT 60 KM/H
HAZARDS:
WIND: STRONG (UP TO 90 KM/H)
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)
RAIN: HEAVY (15 - 50 MM)
LOCATIONS IN THE PATH:
POOHBAH LAKE
CROOKED LAKE
QUETICO PROVINCIAL PARK
BASSWOOD LAKE
BEDIVERE LAKE
AGNES LAKE
MCKENZIE LAKE
KNIFE LAKE
SAGANAGA LAKE
KASHABOWIE
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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