826  
WWCN11 CWTO 210218  
SNOW SQUALL WATCH  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 9:18 P.M. EST MONDAY 20 JANUARY 2025.  
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SNOW SQUALL WATCH FOR:  
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
 
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==DISCUSSION==  
 
LAKE EFFECT SNOW SQUALLS ARE POSSIBLE BEGINNING TUESDAY AFTERNOON.  
 
WHAT:  
HEAVY LAKE EFFECT SNOW WITH ACCUMULATIONS OF 15 TO 25 CM.  
REDUCED VISIBILITY IN HEAVY SNOW AND LOCAL BLOWING SNOW.  
 
WHEN:  
TUESDAY AFTERNOON AND EVENING.  
 
ADDITIONAL INFORMATION:  
LAKE EFFECT SNOW CURRENTLY AFFECTING AREAS NEAR THE LAKE ERIE  
SHORELINE WILL SHIFT SOUTHWARD THIS EVENING. HEAVIER LAKE EFFECT  
SNOW SQUALLS OFF LAKE ERIE ARE EXPECTED TO BEGIN NEAR NOON TUESDAY  
AND CONTINUE THROUGH TUESDAY EVENING. WESTERLY OR SOUTHWESTERLY  
WINDS GUSTING TO 50 KM/H MAY RESULT IN LOCAL 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. VISIBILITY MAY BE SUDDENLY  
REDUCED AT TIMES IN HEAVY SNOW. CONSIDER POSTPONING NON-ESSENTIAL  
TRAVEL UNTIL CONDITIONS IMPROVE.  
 
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 TWEET REPORTS USING (HASH)ONSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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