305  
WWCN11 CWTO 122018  
FLASH FREEZE WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 3:18 P.M. EST FRIDAY 12 JANUARY 2018.  
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FLASH FREEZE WARNING FOR:  
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY  
KINGSTON - PRINCE EDWARD  
STIRLING - TWEED - SOUTH FRONTENAC  
BROCKVILLE - LEEDS AND GRENVILLE  
CORNWALL - MORRISBURG.  
 
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==DISCUSSION==  
 
TEMPERATURES ARE FORECAST TO FALL RAPIDLY. PONDING WATER, SLUSH, AND  
ANY FALLING PRECIPITATION WILL FREEZE AS THE TEMPERATURE DROPS.  
 
ICY CONDITIONS LATE THIS AFTERNOON INTO THIS EVENING.  
 
FOLLOWING THE PASSAGE OF A COLD FRONT THIS AFTERNOON, RAIN WILL  
CHANGE TO SNOW AND THERE WILL BE A HARD FREEZE AS TEMPERATURES  
PLUMMET. THERE MAY ALSO BE A BRIEF PERIOD OF FREEZING RAIN DURING  
THE CHANGEOVER FROM RAIN TO SNOW.  
 
SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS WILL  
BECOME ICY, SLIPPERY AND HAZARDOUS. THERE MAY BE A SIGNIFICANT  
IMPACT ON RUSH HOUR TRAFFIC IN URBAN AREAS.  
 
FLASH FREEZE WARNINGS ARE ISSUED WHEN A RAPID DROP IN TEMPERATURE IS  
EXPECTED, THAT CAN CAUSE WATER FROM RAIN OR MELTED SNOW ON STREETS  
AND SIDEWALKS TO QUICKLY FREEZE.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
EC.CPIO-TEMPETES-OSPC-STORMS.EC(AT)CANADA.CA OR TWEET REPORTS USING  
(HASH)ONSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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