533  
WWCN11 CWTO 121423  
FLASH FREEZE WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 9:23 A.M. EST FRIDAY 12 JANUARY 2018.  
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FLASH FREEZE WARNING FOR:  
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY  
WINGHAM - BLYTH - NORTHERN HURON COUNTY  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY  
DUFFERIN - INNISFIL  
GREY - BRUCE  
BARRIE - ORILLIA - MIDLAND  
PARRY SOUND - MUSKOKA  
HALIBURTON  
ALGONQUIN  
BURK'S FALLS - BAYFIELD INLET.  
 
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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 THIS MORNING.  
 
FOLLOWING THE PASSAGE OF A COLD FRONT THIS MORNING, 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. SNOWFALL AMOUNTS OF 2 TO 5 CM ARE ALSO  
POSSIBLE TODAY.  
 
SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS WILL  
BECOME ICY, SLIPPERY AND HAZARDOUS. TAKE EXTRA CARE WHEN WALKING OR  
DRIVING IN AFFECTED 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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