969  
WWCN12 CWTO 211532  
SNOW SQUALL WARNING  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 10:32 A.M. EST TUESDAY 21 JANUARY 2025.  
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SNOW SQUALL WARNING FOR:  
MANITOULIN ISLAND.  
 
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==DISCUSSION==  
 
SNOW SQUALLS CONTINUING INTO TONIGHT.  
 
WHAT:  
HEAVY LAKE EFFECT SNOW WITH ACCUMULATIONS OF 15 TO 30 CM.  
REDUCED VISIBILITY IN HEAVY SNOW AND LOCAL BLOWING SNOW.  
 
WHEN:  
TODAY INTO TONIGHT.  
 
ADDITIONAL INFORMATION:  
LAKE EFFECT SNOW OFF OF LAKE HURON WILL AFFECT THE AREA TODAY AND  
THIS EVENING BEFORE WEAKENING OVERNIGHT. SOUTHWESTERLY WINDS GUSTING  
TO 50 KM/H MAY DEVELOP THIS EVENING RESULTING IN LOCAL BLOWING SNOW,  
ESPECIALLY FOR EXPOSED AREAS.  
 
SNOW SQUALLS CAUSE WEATHER CONDITIONS TO VARY  
CONSIDERABLY(SEMICOLON) CHANGES FROM CLEAR SKIES TO HEAVY SNOW  
WITHIN JUST A FEW KILOMETRES ARE COMMON. VISIBILITY WILL BE SUDDENLY  
REDUCED TO NEAR ZERO AT TIMES IN HEAVY SNOW AND BLOWING SNOW.  
CONSIDER POSTPONING NON-ESSENTIAL TRAVEL UNTIL CONDITIONS IMPROVE.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, 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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