397  
WWCN11 CWTO 290356  
YELLOW WATCH - SNOW SQUALL  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 10:56 P.M. EST SUNDAY 28 DECEMBER 2025.  
---------------------------------------------------------------------  
YELLOW LEVEL WATCH - SNOW SQUALL - FOR:  
=NEW= BRANTFORD - COUNTY OF BRANT  
=NEW= KITCHENER - CAMBRIDGE - REGION OF WATERLOO  
=NEW= GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: HIGH  
FORECAST CONFIDENCE: MODERATE  
 
==DISCUSSION==  
 
SNOW SQUALLS POSSIBLE MONDAY INTO TUESDAY.  
 
WHAT:  
NEAR ZERO VISIBILITY AT TIMES IN LOCAL BLOWING SNOW.  
TOTAL LOCAL SNOWFALL AMOUNTS OF 10 TO 20 CM.  
STRONG WIND GUSTS OF 70 TO 90 KM/H.  
 
WHEN:  
LATE MONDAY EASING TO SCATTERED FLURRIES TUESDAY MORNING 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. BLOWING SNOW AND POOR VISIBILITY WILL BE THE PRIMARY CONCERN  
AS NORTHWESTERLY WIND GUSTS OF 70 TO 90 KM/H ARE EXPECTED.  
 
TRAVEL MAY BE EXTREMELY HAZARDOUS. ROAD CLOSURES ARE POSSIBLE.  
UTILITY OUTAGES ARE POSSIBLE. CONSIDER RESCHEDULING TRAVEL AND  
OUTDOOR ACTIVITIES. PREPARE FOR THE POSSIBILITY OF 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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