056
WWCN11 CWTO 292316
ORANGE WARNING - SNOW SQUALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 6:16 P.M. EST MONDAY 29 DECEMBER 2025.
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ORANGE LEVEL WARNING - SNOW SQUALL - FOR:
NEWMARKET - GEORGINA - NORTHERN YORK REGION
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION
INNISFIL - NEW TECUMSETH - ANGUS
BARRIE - ORILLIA - MIDLAND.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: VERY HIGH
==DISCUSSION==
DANGEROUS SNOW SQUALLS AND BLIZZARD CONDITIONS EXPECTED.
WHAT:
BLIZZARD CONDITIONS.
TOTAL LOCAL SNOWFALL AMOUNTS OF 25 TO 50 CM.
WHEN:
CONTINUING INTO TUESDAY AFTERNOON.
ADDITIONAL INFORMATION:
LAKE EFFECT SNOW SQUALLS OFF GEORGIAN BAY HAVE DEVELOPED IN THE WAKE
OF A SHARP COLD FRONT AND WILL CONTINUE TO AFFECT THE AREA.
WIDESPREAD BLOWING SNOW AND LOCAL BLIZZARD CONDITIONS WILL BE THE
PRIMARY CONCERN AS NORTHWESTERLY WIND GUSTS OF 70 TO 90 KM/H ARE
EXPECTED TONIGHT.
TRAVEL WILL BE EXTREMELY HAZARDOUS. VISIBILITY WILL BE SUDDENLY
REDUCED TO NEAR ZERO AT TIMES. ROAD CLOSURES ARE POSSIBLE.
NON-ESSENTIAL TRAVEL AND OUTDOOR ACTIVITIES SHOULD BE AVOIDED.
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY
ENVIRONMENT CANADA.
TO REPORT SEVERE WEATHER IN ONTARIO, 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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