458  
WWAK71 PAFC 191251  
NPWAER  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
451 AM AKDT SUN OCT 19 2025  
 
AKZ711-191800-  
/O.NEW.PAFC.FG.Y.0005.251019T1251Z-251019T1800Z/  
LOWER MATANUSKA VALLEY-  
INCLUDING THE CITIES OF BIG LAKE, WASILLA, AND PALMER  
451 AM AKDT SUN OCT 19 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM AKDT THIS MORNING  
 
* WHAT...VISIBILITY ONE QUARTER MILE OR LESS IN DENSE FOG.  
 
* WHERE...LOWER MATANUSKA VALLEY.  
 
* WHEN...UNTIL 10 AM AKDT THIS MORNING.  
 
* IMPACTS...HAZARDOUS DRIVING CONDITIONS DUE TO LOW VISIBILITY.  
 
* ADDITIONAL DETAILS...AS OF 4 AM, AREAS OF LOCALLY DENSE FOG HAVE  
DEVELOPED NORTH AND EAST OF WASILLA, INCLUDING PALMER, BUTTE, AND  
AROUND THE KNIK RIVER BRIDGE. THESE AREAS OF FOG ARE EXPECTED TO  
DIMINISH BY MID TO LATE MORNING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED  
TO LESS THAN ONE QUARTER MILE. IF DRIVING, SLOW DOWN, USE YOUR  
HEADLIGHTS, AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.  
 
 
 
 
 
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