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WWCN12 CWTO 301549

FREEZING RAIN WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 11:49 A.M. EDT SUNDAY 30 MARCH 2025.

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FREEZING RAIN WARNING FOR:

      SAULT STE. MARIE - ST. JOSEPH ISLAND

      GREATER SUDBURY AND VICINITY

      ELLIOT LAKE - RANGER LAKE

      BLIND RIVER - THESSALON

      ESPANOLA - KILLARNEY

      NORTH BAY - WEST NIPISSING.



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==DISCUSSION==



HAZARDOUS ICE STORM TODAY AND TONIGHT. 



WHAT: 

FREEZING RAIN WITH SIGNIFICANT ICE ACCRETION OF 10 TO 20 MM. 

ICY AND SLIPPERY CONDITIONS. 

UTILITY OUTAGES AND TREE DAMAGE. 



WHEN: 

TODAY THROUGH EARLY MONDAY MORNING. 



ADDITIONAL INFORMATION: 

A PROLONGED PERIOD OF FREEZING RAIN IS EXPECTED. FOR SOME AREAS, 

THIS HAS THE POTENTIAL TO BE A MAJOR ICE STORM. 



FREEZING RAIN MAY CHANGE OVER TO RAIN LATE THIS AFTERNOON OR EVENING 

FOR LOCATIONS NEAR THE NORTH CHANNEL AND THE CITY OF NORTH BAY AS 

TEMPERATURES BRIEFLY RISE ABOVE THE FREEZING MARK. PRECIPITATION 

WILL TRANSITION TO ICE PELLETS AND THEN SNOW FROM WEST TO EAST 

MONDAY MORNING. 



EASTERLY WINDS WILL BECOME NORTHERLY ON MONDAY MORNING WITH GUSTS UP 

TO 50 KM/H. THIS MAY EXACERBATE THE SITUATION IF THERE IS ICE 

BUILD-UP ON TREE LIMBS AND POWER LINES.



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

BECOME ICY, SLIPPERY AND EXTREMELY HAZARDOUS. BEWARE OF BRANCHES OR 

ELECTRICAL WIRES THAT COULD BREAK UNDER THE WEIGHT OF ICE. EXTENDED 

AND WIDESPREAD UTILITY OUTAGES ARE POSSIBLE. 



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