377
WWCN12 CWTO 180705
YELLOW WARNING - WINTER STORM
FOR NORTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 2:05 A.M. EST THURSDAY 18 DECEMBER 2025.
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YELLOW LEVEL WARNING - WINTER STORM - FOR:
=NEW= WAWA - WHITE RIVER - PUKASKWA.
YELLOW LEVEL WARNING - WINTER STORM - REPLACES YELLOW LEVEL WATCH -
WINTER STORM - FOR:
WAWA - WHITE RIVER - PUKASKWA.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
WINTER STORM CONTINUES INTO FRIDAY.
WHAT:
TOTAL SNOWFALL AMOUNTS OF 15 TO 25 CM FOR HIGHER TERRAIN.
REDUCED VISIBILITY IN HEAVY SNOW AND BLOWING SNOW.
FLASH FREEZE.
WHEN:
CONTINUING THROUGH FRIDAY AFTERNOON.
ADDITIONAL INFORMATION:
SNOW, AT TIMES HEAVY, WILL TRANSITION TO PERIODS OF RAIN OR DRIZZLE
LATER THIS MORNING. THE PRECIPITATION WILL CHANGE BACK TO SNOW LATE
THIS AFTERNOON INTO THIS EVENING AS TEMPERATURES RAPIDLY FALL BELOW
THE FREEZING MARK. IN ADDITION, NORTHERLY WINDS GUSTING 50 TO 60
KM/H WILL RESULT IN BLOWING SNOW BEGINNING THIS EVENING.
CONDITIONS WILL IMPROVE FROM WEST TO EAST THROUGH FRIDAY.
TRAVEL WILL LIKELY BE CHALLENGING. ROAD CLOSURES ARE POSSIBLE.
PREPARE FOR QUICKLY CHANGING AND DETERIORATING TRAVEL CONDITIONS.
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 ABOUT THE ALERTING PROGRAM, PLEASE VISIT:
HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.
HTTP://WEATHER.GC.CA
END/OSPC
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