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WWCN12 CWTO 212117

FLASH FREEZE WARNING

FOR NORTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 5:17 P.M. EDT FRIDAY 21 MARCH 2025.

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FLASH FREEZE WARNING FOR:

=NEW= GREATER SUDBURY AND VICINITY

=NEW= GOGAMA - FOLEYET

=NEW= KIRKLAND LAKE - TEMISKAMING SHORES - TEMAGAMI

=NEW= NORTH BAY - WEST NIPISSING.



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==DISCUSSION==



TEMPERATURES ARE FORECAST TO FALL RAPIDLY. PONDING WATER, SLUSH, AND 

ANY FALLING PRECIPITATION WILL FREEZE AS THE TEMPERATURE DROPS.



WHAT: 

WATER FROM MELTING SNOW AND RECENT RAINFALL IS EXPECTED TO FREEZE 

SUDDENLY, ESPECIALLY ON UNTREATED SURFACES. RAIN IS MOST LIKELY OVER 

THE NORTH BAY AREA BEFORE THE COLD FRONT. 



WHEN: 

TONIGHT INTO EARLY SATURDAY MORNING. 



ADDITIONAL INFORMATION: 

A COLD FRONT WILL MOVE THROUGH THE AREA TONIGHT. TEMPERATURES ARE 

EXPECTED TO QUICKLY PLUNGE BELOW THE FREEZING MARK IN THE WAKE OF 

THE COLD FRONT. ANY WET SURFACES DUE TO SNOW MELT AND RAIN MAY 

BECOME ICY AND SLIPPERY.



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

BECOME ICY AND SLIPPERY. TAKE EXTRA CARE WHEN WALKING OR DRIVING IN 

AFFECTED AREAS. 



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