944  
WWCN11 CWTO 190247  
SNOW SQUALL WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 9:47 P.M. EST TUESDAY 18 FEBRUARY 2025.  
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SNOW SQUALL WARNING FOR:  
NEWMARKET - GEORGINA - NORTHERN YORK REGION  
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION  
INNISFIL - NEW TECUMSETH - ANGUS  
BARRIE - COLLINGWOOD - HILLSDALE.  
 
SNOW SQUALL WARNING ENDED FOR:  
ORILLIA - LAGOON CITY - WASHAGO.  
 
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==DISCUSSION==  
 
LAKE EFFECT SNOW SQUALLS THIS EVENING.  
 
WHAT:  
ADDITIONAL LOCAL SNOWFALL ACCUMULATIONS OF 5 TO 10 CM.  
NEAR ZERO VISIBILITY IN HEAVY SNOW AND BLOWING SNOW.  
 
WHEN:  
CONTINUING THROUGH THIS EVENING.  
 
ADDITIONAL INFORMATION:  
LAKE EFFECT SNOW SQUALLS WILL CONTINUE THIS EVENING. IN ADDITION,  
GUSTY WINDS WILL PRODUCE REDUCED VISIBILITY IN BLOWING SNOW.  
 
SNOW SQUALLS CAUSE WEATHER CONDITIONS TO VARY  
CONSIDERABLY(SEMICOLON) CHANGES FROM CLEAR SKIES TO HEAVY SNOW  
WITHIN JUST A FEW KILOMETRES ARE COMMON. TRAVEL IS EXPECTED TO BE  
HAZARDOUS DUE TO REDUCED VISIBILITY. RAPIDLY ACCUMULATING SNOW COULD  
MAKE TRAVEL DIFFICULT OVER SOME LOCATIONS. THERE MAY BE A  
SIGNIFICANT IMPACT ON RUSH HOUR TRAFFIC IN URBAN AREAS.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA.  
 
TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO  
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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