269
WWCN11 CWTO 282309
ORANGE WATCH - SNOW SQUALL
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 6:09 P.M. EST SUNDAY 28 DECEMBER 2025.
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ORANGE LEVEL WATCH - SNOW SQUALL - FOR:
=NEW= WOODSTOCK - TILLSONBURG - OXFORD COUNTY
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY 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.
STRONG WIND GUSTS OF 70 TO 90 KM/H.
TOTAL LOCAL SNOWFALL AMOUNTS OF 20 TO 40 CM.
WHEN:
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. PREPARE FOR
THE POSSIBILITY OF QUICKLY CHANGING AND DETERIORATING TRAVEL
CONDITIONS. PREPARE FOR POSSIBLE PROLONGED DISRUPTIONS TO
TRANSPORTATION, SERVICES, AND UTILITIES.
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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