393  
WWCN11 CWTO 182035  
SNOW SQUALL WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 3:35 P.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.  
 
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==DISCUSSION==  
 
LAKE EFFECT SNOW SQUALLS CONTINUE.  
 
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 ARE CURRENTLY LOCATED JUST NORTH OF  
SHELBURNE AND WILL SWEEP SOUTH TOWARD MOUNT FOREST, ARTHUR, AND  
ORANGEVILLE THIS EVENING BEFORE TAPERING TO LIGHT FLURRIES  
OVERNIGHT. IN ADDITION, GUSTY WINDS ARE PRODUCING SIGNIFICANTLY  
REDUCED VISIBILITY IN BLOWING SNOW. WINDS WILL DIMINISH THIS  
EVENING.  
 
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  
POSSIBLE.  
 
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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