WWCN12 CWTO 122127

YELLOW WARNING - SNOW SQUALL

FOR NORTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 4:27 P.M. EST FRIDAY 12 DECEMBER 2025.

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YELLOW LEVEL WARNING - SNOW SQUALL - FOR:

=NEW= WAWA - PUKASKWA PARK.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



LAKE EFFECT SNOW SQUALL CONTINUING INTO TONIGHT. 



WHAT: 

SNOWFALL AMOUNTS OF 15 TO 20 CM. 

LOW VISIBILITY IN AREAS OF HEAVY SNOW. 



WHEN: 

CONTINUING INTO TONIGHT. 



ADDITIONAL INFORMATION: 

A WEATHER SYSTEM WILL BRING SNOW TO A LARGE PORTION OF NORTHERN 

ONTARIO. EMBEDDED LAKE EFFECT SNOW IN THE SOUTHWEST WINDS AHEAD OF 

THIS WEATHER SYSTEM WILL LEAD TO ENHANCED SNOWFALL TOTALS FOR AREAS 

NEAR LAKE SUPERIOR. 



AS THE WEATHER SYSTEM PASSES TO THE EAST TONIGHT, WINDS WILL BECOME 

MORE NORTHWESTERLY, SHIFTING THE LAKE EFFECT SNOW TO AREAS SOUTH OF 

WAWA. 



TRAVEL ALONG PORTIONS OF HIGHWAY 17 COULD BE HAZARDOUS AT TIMES. 

PREPARE FOR QUICKLY CHANGING AND DETERIORATING TRAVEL CONDITIONS.



TRAVEL WILL LIKELY BE HAZARDOUS. ROADS AND WALKWAYS WILL LIKELY BE 

DIFFICULT TO NAVIGATE DUE TO ACCUMULATING SNOW. 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, 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