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WWCN12 CWTO 300929

WINTER STORM WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 5:29 A.M. EDT SUNDAY 30 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 TODAY INTO MONDAY MORNING. ICE STORM LIKELY FOR SOME. 



WHAT: 

FREEZING RAIN WITH SIGNIFICANT ICE ACCRETION OF 5 TO 15 MM. 

UTILITY OUTAGES POSSIBLE. 

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

SNOWFALL AND ICE PELLET AMOUNTS UP TO 15 CM NORTH OF A LINE FROM 

RANGER LAKE TO COBALT. 



WHEN: 

FROM THIS MORNING THROUGH MONDAY MORNING. 



ADDITIONAL INFORMATION: 

SEVERAL HOURS OF SNOW OR ICE PELLETS ARE EXPECTED TODAY BEFORE 

PRECIPITATION CHANGES TO FREEZING RAIN. FREEZING RAIN IS EXPECTED TO 

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

TO COBALT WHERE ICE STORM CONDITIONS ARE POSSIBLE. PRECIPITATION 

WILL TRANSITION TO ICE PELLETS AND THEN 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. 

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