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WWCN12 CWTO 292025

FREEZING RAIN WARNING

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:25 P.M. EDT SATURDAY 29 MARCH 2025.

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FREEZING RAIN WARNING FOR:

      SAULT STE. MARIE - ST. JOSEPH ISLAND

      GREATER SUDBURY AND VICINITY

      BLIND RIVER - THESSALON

      ESPANOLA - KILLARNEY

      NORTH BAY - WEST NIPISSING.



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==DISCUSSION==



ICE STORM BEGINNING OVERNIGHT OR EARLY SUNDAY MORNING. 



WHAT: 

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

ICY AND SLIPPERY CONDITIONS. 

UTILITY OUTAGES AND TREE DAMAGE. 

SNOWFALL AMOUNTS UP TO 10 CM, PARTICULARLY FOR LOCATIONS NORTH OF 

HIGHWAY 17 AND NORTH OF THE CITY OF SAULT STE. MARIE. 



WHEN: 

OVERNIGHT OR EARLY SUNDAY MORNING THROUGH EARLY MONDAY MORNING. 



ADDITIONAL INFORMATION: 

PRECIPITATION MAY BEGIN AS SNOW OR ICE PELLETS BEFORE CHANGING TO 

FREEZING RAIN OVERNIGHT INTO EARLY SUNDAY MORNING. FREEZING RAIN MAY 

BRIEFLY CHANGE OVER TO RAIN SUNDAY AFTERNOON INTO SUNDAY NIGHT FOR 

LOCATIONS NEAR THE NORTH CHANNEL. 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