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WWCN12 CWTO 300346

WINTER STORM WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 11:46 P.M. EDT SATURDAY 29 MARCH 2025.

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WINTER STORM WARNING FOR:

      SEARCHMONT - MONTREAL RIVER HARBOUR - BATCHAWANA BAY

      TEMISKAMING SHORES - TEMAGAMI

      ELLIOT LAKE - RANGER LAKE.



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==DISCUSSION==



WINTER STORM EXPECTED SUNDAY INTO MONDAY MORNING. 



WHAT: 

FREEZING RAIN WITH SIGNIFICANT ICE ACCRETION OF 5 TO 10 MM. 

UTILITY OUTAGES POSSIBLE. 

SLIPPERY SURFACES AND BROKEN TREE BRANCHES FROM ICE BUILD-UP. 

SNOWFALL AMOUNTS NEAR 15 CM. LOCATIONS SOUTH OF A LINE FROM RANGER 

LAKE TO TEMAGAMI MAY RECEIVE CONSIDERABLY LESSER AMOUNTS. 



WHEN: 

LATE OVERNIGHT OR EARLY SUNDAY MORNING THROUGH MONDAY MORNING. 



ADDITIONAL INFORMATION: 

SEVERAL HOURS OF SNOW OR ICE PELLETS ARE EXPECTED BEFORE 

PRECIPITATION CHANGES TO FREEZING RAIN. FREEZING RAIN IS EXPECTED TO 

BE MOST SIGNIFICANT FOR LOCATIONS SOUTH OF A LINE FROM RANGER LAKE 

TO TEMAGAMI. AS A RESULT, SNOWFALL ACCUMULATIONS ARE EXPECTED TO BE 

CONSIDERABLY LESS IN THESE AREAS. PRECIPITATION WILL TRANSITION TO 

ICE PELLETS AND THEN 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. 

PREPARE FOR QUICKLY CHANGING AND DETERIORATING TRAVEL CONDITIONS. 

SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS WILL 

BECOME ICY, SLIPPERY AND HAZARDOUS. ICE BUILD-UP MAY CAUSE TREE 

BRANCHES TO BREAK. 



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