024  
WWCN11 CWTO 212056  
SNOW SQUALL WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 3:56 P.M. EST SATURDAY 21 DECEMBER 2024.  
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SNOW SQUALL WARNING FOR:  
LONDON - MIDDLESEX  
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
 
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==DISCUSSION==  
 
LAKE EFFECT SNOW TAPERING OFF THIS EVENING.  
 
HAZARDS:  
ADDITIONAL ACCUMULATIONS UP TO 5 CM NEAR LAKE HURON.  
 
TIMING:  
ENDING THIS EVENING.  
 
DISCUSSION:  
LAKE EFFECT SNOW OFF LAKE HURON CONTINUES TO AFFECT PORTIONS OF  
MIDDLESEX AND HURON COUNTIES, PARTICULARLY FOR AREAS CLOSE TO THE  
LAKE. BRIEF PERIODS OF HEAVY SNOW REMAIN POSSIBLE BEFORE MOST OF THE  
LAKE EFFECT SHIFTS INTO LAMBTON COUNTY 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. VISIBILITY MAY BE SUDDENLY  
REDUCED AT TIMES IN HEAVY SNOW. IF VISIBILITY IS REDUCED WHILE  
DRIVING, SLOW DOWN, WATCH FOR TAIL LIGHTS AHEAD AND BE PREPARED TO  
STOP. BE PREPARED TO ADJUST YOUR DRIVING WITH CHANGING ROAD  
CONDITIONS.  
 
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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