662
WWCN11 CWTO 291732
ORANGE WARNING - SNOW SQUALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:32 P.M. EST MONDAY 29 DECEMBER 2025.
---------------------------------------------------------------------
ORANGE LEVEL WARNING - SNOW SQUALL - FOR:
NEWMARKET - GEORGINA - NORTHERN YORK REGION
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION
INNISFIL - NEW TECUMSETH - ANGUS
BARRIE - ORILLIA - MIDLAND.
---------------------------------------------------------------------
IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: VERY HIGH
==DISCUSSION==
DANGEROUS SNOW SQUALLS AND BLIZZARD CONDITIONS EXPECTED.
WHAT:
BLIZZARD CONDITIONS WITH NEAR ZERO VISIBILITY.
TOTAL LOCAL SNOWFALL AMOUNTS OF 25 TO 50 CM.
WHEN:
THIS AFTERNOON INTO TUESDAY AFTERNOON.
ADDITIONAL INFORMATION:
AN INITIAL BRIEF, INTENSE SNOW SQUALL IS EXPECTED EARLY THIS
AFTERNOON ALONG A COLD FRONT. IN THE WAKE OF THIS COLD FRONT, LAKE
EFFECT SNOW SQUALLS OFF GEORGIAN BAY WILL DEVELOP AND 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 TODAY INTO TONIGHT.
TRAVEL WILL BE EXTREMELY HAZARDOUS. VISIBILITY WILL BE SUDDENLY
REDUCED TO NEAR ZERO AT TIMES. 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page