478  
WOCN11 CWNT 181433  
YELLOW ADVISORY - FOG  
FOR THE GREAT SLAVE AND UPPER MACKENZIE AREAS  
ISSUED BY ENVIRONMENT CANADA  
AT 7:33 A.M. MST WEDNESDAY 18 FEBRUARY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL ADVISORY - FOG - FOR:  
=NEW= YELLOWKNIFE REGION.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
NEAR ZERO VISIBILITY IN FOG IS EXPECTED.  
 
DENSE FOG IS OCCURRING, AND IS EXPECTED TO DISSIPATE LATER THIS  
MORNING.  
 
VISIBILITY WILL LIKELY BE SUDDENLY REDUCED AT TIMES. BE PREPARED FOR  
AREAS OF NEAR-ZERO VISIBILITY AND ALLOW EXTRA TIME TO REACH YOUR  
DESTINATION.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
NTSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING  
(HASH)NTSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
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