376  
WOCN11 CWNT 041539  
FOG ADVISORY  
FOR THE GREAT SLAVE AND UPPER MACKENZIE AREAS  
ISSUED BY ENVIRONMENT CANADA  
AT 9:39 A.M. MDT MONDAY 4 AUGUST 2025.  
---------------------------------------------------------------------  
FOG ADVISORY FOR:  
=NEW= NORMAN WELLS - TULITA REGION.  
 
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==DISCUSSION==  
 
NEAR ZERO VISIBILITY IN FOG IS EXPECTED OR OCCURRING.  
 
FOG HAS DEVELOPED IN THE TULITA AREA AND WILL PERSIST UNTIL EARLY  
THIS AFTERNOON.  
 
VISIBILITY MAY BE SIGNIFICANTLY AND SUDDENLY REDUCED TO NEAR ZERO.  
TRAVEL IS EXPECTED TO BE HAZARDOUS DUE TO REDUCED VISIBILITY IN SOME  
LOCATIONS. IF TRAVELLING, BE PREPARED FOR AREAS OF NEAR-ZERO  
VISIBILITY.  
 
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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