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WWCN12 CWTO 300853

WINTER STORM WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:53 A.M. EDT SUNDAY 30 MARCH 2025.

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WINTER STORM WARNING FOR:

=NEW= AGAWA - LAKE SUPERIOR PARK

      TIMMINS - COCHRANE - IROQUOIS FALLS

      CHAPLEAU - GOGAMA

      KIRKLAND LAKE - ENGLEHART.



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==DISCUSSION==



WINTER STORM EXPECTED TODAY INTO MONDAY MORNING. 



WHAT: 

SNOWFALL AMOUNTS OF 20 TO 30 CM. 

PEAK SNOWFALL RATES OF 2 TO 5 CM PER HOUR. 

RISK OF FREEZING RAIN. 



WHEN: 

THIS MORNING THROUGH MONDAY MORNING. 



ADDITIONAL INFORMATION: 

SNOW MAY MIX WITH OR TRANSITION TO ICE PELLETS THIS AFTERNOON 

THROUGH TONIGHT, PARTICULARLY FOR LOCATIONS ALONG AND SOUTH OF A 

LINE FROM GOGAMA TO KIRKLAND LAKE. A RISK OF FREEZING RAIN WILL ALSO 

EXIST IN THESE AREAS. FOR LOCATIONS THAT RECEIVE ICE PELLETS AND 

FREEZING RAIN, SNOWFALL AMOUNTS WILL BE REDUCED. A SHARP GRADIENT IN 

SNOWFALL AMOUNTS MAY EXIST TO THE NORTH AND SOUTH OF THE AXIS OF 

HEAVIEST SNOW. ALL PRECIPITATION WILL TRANSITION TO SNOW FROM WEST 

TO EAST LATE TONIGHT INTO MONDAY MORNING. 



CONDITIONS WILL IMPROVE MONDAY MORNING AS THE WEATHER SYSTEM EXITS 

THE PROVINCE.



CONSIDER POSTPONING NON-ESSENTIAL TRAVEL UNTIL CONDITIONS IMPROVE. 

RAPIDLY ACCUMULATING SNOW COULD MAKE TRAVEL DIFFICULT OVER SOME 

LOCATIONS. SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING 

LOTS WILL BECOME ICY, SLIPPERY AND HAZARDOUS. IF VISIBILITY IS 

REDUCED WHILE DRIVING, SLOW DOWN, WATCH FOR TAIL LIGHTS AHEAD AND BE 

PREPARED TO STOP. 



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.



HTTP://WEATHER.GC.CA



END/OSPC