125
WWCN11 CWTO 291519
ORANGE WARNING - SNOW SQUALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:19 A.M. EST MONDAY 29 DECEMBER 2025.
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ORANGE LEVEL WARNING - SNOW SQUALL - FOR:
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
WOODSTOCK - TILLSONBURG - OXFORD COUNTY.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
DANGEROUS SNOW SQUALLS AND BLIZZARD CONDITIONS TODAY INTO TUESDAY.
WHAT:
BLIZZARD CONDITIONS WITH NEAR ZERO VISIBILITY.
TOTAL LOCAL SNOWFALL AMOUNTS OF 20 TO 40 CM.
WHEN:
LATE THIS MORNING EASING TO SCATTERED FLURRIES TUESDAY AFTERNOON.
ADDITIONAL INFORMATION:
AN INITIAL BRIEF, INTENSE SNOW SQUALL IS EXPECTED THIS MORNING ALONG
A COLD FRONT. A QUICK 5 CM OF SNOW IS EXPECTED FROM THIS SNOW SQUALL
AS WELL AS A RAPID TEMPERATURE DROP, LEADING TO ICY SURFACES.
LAKE EFFECT SNOW SQUALLS OFF LAKE HURON WILL ALSO DEVELOP THIS
MORNING. WIDESPREAD BLOWING SNOW AND BLIZZARD CONDITIONS WILL BE THE
PRIMARY CONCERN AS NORTHWESTERLY WIND GUSTS OF 70 TO 90 KM/H ARE
EXPECTED TODAY.
TRAVEL WILL LIKELY BE EXTREMELY HAZARDOUS. VISIBILITY WILL LIKELY BE
SUDDENLY REDUCED TO NEAR ZERO AT TIMES. 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 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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