919  
WWCN11 CWTO 181000  
SNOW SQUALL WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 5:00 A.M. EST TUESDAY 18 FEBRUARY 2025.  
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SNOW SQUALL WARNING FOR:  
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY  
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY  
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY  
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY  
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY  
BARRIE - COLLINGWOOD - HILLSDALE.  
 
SNOW SQUALL WARNING ENDED FOR:  
MIDLAND - COLDWATER - ORR LAKE  
ORILLIA - LAGOON CITY - WASHAGO.  
 
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==DISCUSSION==  
 
LAKE EFFECT SNOW SQUALLS CONTINUE.  
 
WHAT:  
ADDITIONAL LOCAL SNOWFALL ACCUMULATIONS OF 10 TO 15 CM.  
NEAR ZERO VISIBILITY IN HEAVY SNOW AND BLOWING SNOW.  
 
WHEN:  
CONTINUING THROUGH THIS AFTERNOON.  
 
ADDITIONAL INFORMATION:  
INTERMITTENT SNOW SQUALLS WILL CONTINUE THROUGH THIS AFTERNOON  
BEFORE TAPERING TO LIGHT FLURRIES THIS EVENING. GUSTY WINDS ARE  
PRODUCING SIGNIFICANTLY 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  
EXTREMELY HAZARDOUS DUE TO REDUCED VISIBILITY. CONSIDER POSTPONING  
NON-ESSENTIAL TRAVEL UNTIL CONDITIONS IMPROVE. ROAD CLOSURES ARE  
LIKELY.  
 
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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