222
WWCN11 CWTO 290338
ORANGE WATCH - SNOW SQUALL
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 10:38 P.M. EST SUNDAY 28 DECEMBER 2025.
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ORANGE LEVEL WATCH - SNOW SQUALL - FOR:
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
WOODSTOCK - TILLSONBURG - OXFORD COUNTY.
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IMPACT LEVEL: EXTREME
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
DANGEROUS SNOW SQUALLS AND BLIZZARD CONDITIONS MONDAY INTO TUESDAY.
WHAT:
BLIZZARD CONDITIONS WITH NEAR ZERO VISIBILITY.
TOTAL LOCAL SNOWFALL AMOUNTS OF 20 TO 40 CM.
STRONG WIND GUSTS OF 70 TO 90 KM/H.
WHEN:
LATE MONDAY MORNING EASING TO SCATTERED FLURRIES TUESDAY AFTERNOON.
ADDITIONAL INFORMATION:
A COLDER AIR MASS IN THE WAKE OF A DEPARTING LOW PRESSURE SYSTEM
WILL RESULT IN THE DEVELOPMENT OF LAKE EFFECT SNOW SQUALLS OFF LAKE
HURON. WIDESPREAD BLOWING SNOW AND BLIZZARD CONDITIONS WILL BE THE
PRIMARY CONCERN AS NORTHWESTERLY WIND GUSTS OF 70 TO 90 KM/H ARE
EXPECTED.
TRAVEL MAY BE HAZARDOUS AND SOME ROUTES MAY BE IMPASSABLE.
VISIBILITY MAY BE SUDDENLY REDUCED TO NEAR ZERO AT TIMES. ROADS AND
WALKWAYS MAY BE IMPASSABLE DUE TO ACCUMULATING SNOW. ROAD CLOSURES
ARE POSSIBLE. RESCHEDULE TRAVEL AND OUTDOOR ACTIVITIES.
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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