476
WWCN12 CWTO 281458
YELLOW WARNING - WINTER STORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 9:58 A.M. EST SUNDAY 28 DECEMBER 2025.
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YELLOW LEVEL WARNING - WINTER STORM - FOR:
GREATER SUDBURY AND VICINITY
MANITOULIN - BLIND RIVER - KILLARNEY
NORTH BAY - WEST NIPISSING.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: MODERATE
==DISCUSSION==
SIGNIFICANT WINTER STORM EXPECTED THIS EVENING TO MONDAY NIGHT.
WHAT:
FREEZING RAIN WITH 10 TO 15 MM OF ICE ACCRETION.
SNOWFALL AMOUNTS OF 10 TO 20 CM.
NORTHWESTERLY WIND GUSTS OF 60 TO 70 KM/H.
REDUCED VISIBILITY IN HEAVY SNOW AND BLOWING SNOW.
WHEN:
BEGINNING THIS EVENING AND CONTINUING INTO MONDAY NIGHT.
ADDITIONAL INFORMATION:
PRECIPITATION IS EXPECTED TO BEGIN AS FREEZING RAIN THIS EVENING AND
CONTINUE THROUGH THE OVERNIGHT HOURS. THE FREEZING RAIN IS EXPECTED
TO TRANSITION TO SNOW THROUGH MONDAY MORNING. DURING THE TRANSITION
A PERIOD OF ICE PELLETS IS POSSIBLE. THE STRONG NORTHWESTERLY WINDS
WILL PICK UP THROUGH MONDAY AFTERNOON LEADING TO REDUCED VISIBILITY
FROM BLOWING SNOW AND FALLING SNOW.
TRAVEL MAY BE HAZARDOUS. VISIBILITY MAY BE SUDDENLY REDUCED TO NEAR
ZERO AT TIMES. ROAD CLOSURES ARE POSSIBLE. PROLONGED UTILITY OUTAGES
ARE POSSIBLE. SIGNIFICANT PROPERTY OR TREE DAMAGE IS POSSIBLE. AVOID
NON-ESSENTIAL TRAVEL AND OUTDOOR ACTIVITIES. PREPARE FOR DISRUPTIONS
TO TRANSPORTATION, SERVICES AND UTILITIES.
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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