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WWCN12 CWTO 291634

FREEZING RAIN WARNING

FOR NORTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 12:34 P.M. EDT SATURDAY 29 MARCH 2025.

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FREEZING RAIN WARNING FOR:

=NEW= SAULT STE. MARIE - ST. JOSEPH ISLAND

=NEW= GREATER SUDBURY AND VICINITY

=NEW= BLIND RIVER - THESSALON

=NEW= ESPANOLA - KILLARNEY

=NEW= NORTH BAY - WEST NIPISSING.



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==DISCUSSION==



SIGNIFICANT ICE BUILD-UP DUE TO FREEZING RAIN SUNDAY. 



WHAT: 

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

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

HIGHWAY 17. 

ICY AND SLIPPERY CONDITIONS. 

UTILITY OUTAGES AND TREE DAMAGE. 



WHEN: 

LATE OVERNIGHT OR EARLY SUNDAY MORNING THROUGH EARLY MONDAY MORNING. 



ADDITIONAL INFORMATION: 

PRECIPITATION MAY BEGIN AS SNOW OR ICE PELLETS BEFORE CHANGING TO 

FREEZING RAIN LATE OVERNIGHT OR 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 TO NORTHEASTERLY WINDS WILL BECOME NORTHERLY WITH GUSTS UP 

TO 50 KM/H ON MONDAY MORNING. 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. SLOW DOWN DRIVING IN 

SLIPPERY CONDITIONS. WATCH FOR TAILLIGHTS AHEAD AND MAINTAIN A SAFE 

FOLLOWING DISTANCE. BEWARE OF BRANCHES OR ELECTRICAL WIRES THAT 

COULD BREAK UNDER THE WEIGHT OF ICE. 



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