571  
WWCN11 CWTO 292317  
ORANGE WARNING - SNOW SQUALL  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:17 P.M. EST MONDAY 29 DECEMBER 2025.  
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ORANGE LEVEL WARNING - SNOW SQUALL - FOR:  
HURON - PERTH  
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.  
 
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IMPACT LEVEL: EXTREME  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
DANGEROUS SNOW SQUALLS AND BLIZZARD CONDITIONS EXPECTED.  
 
WHAT:  
BLIZZARD CONDITIONS.  
TOTAL LOCAL SNOWFALL AMOUNTS OF 25 TO 50 CM.  
 
WHEN:  
CONTINUING INTO TUESDAY AFTERNOON.  
 
ADDITIONAL INFORMATION:  
IN THE WAKE OF A SHARP COLD FRONT, LAKE EFFECT SNOW SQUALLS OFF LAKE  
HURON HAVE DEVELOPED. WIDESPREAD BLOWING SNOW AND BLIZZARD  
CONDITIONS WILL BE THE PRIMARY CONCERN AS NORTHWESTERLY WIND GUSTS  
OF 70 TO 90 KM/H ARE EXPECTED TONIGHT.  
 
TRAVEL WILL LIKELY BE EXTREMELY HAZARDOUS AND SOME ROUTES WILL  
LIKELY BE IMPASSABLE. VISIBILITY WILL LIKELY BE SUDDENLY REDUCED TO  
NEAR ZERO AT TIMES. ROAD CLOSURES ARE LIKELY. PROLONGED, WIDESPREAD  
UTILITY OUTAGES ARE LIKELY. PREPARE FOR EXTREMELY DANGEROUS TRAVEL  
CONDITIONS. PREPARE FOR 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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