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WWCN12 CWTO 292044

WINTER STORM WARNING

FOR NORTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 4:44 P.M. EDT SATURDAY 29 MARCH 2025.

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WINTER STORM WARNING FOR:

=NEW= TIMMINS - COCHRANE - IROQUOIS FALLS

=NEW= CHAPLEAU - GOGAMA

=NEW= KIRKLAND LAKE - ENGLEHART.



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==DISCUSSION==



WINTER STORM EXPECTED SUNDAY 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: 

SUNDAY MORNING THROUGH MONDAY MORNING. 



ADDITIONAL INFORMATION: 

SNOW MAY MIX WITH OR TRANSITION TO ICE PELLETS SUNDAY AFTERNOON 

THROUGH SUNDAY NIGHT, 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. THERE REMAINS 

SOME UNCERTAINTY IN THE LOCATION OF HEAVIEST SNOW. 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 SUNDAY NIGHT INTO MONDAY MORNING. 



CONDITIONS WILL IMPROVE THROUGH 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