441  
WWUS71 KLWX 180835  
NPWLWX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
435 AM EDT THU SEP 18 2025  
 
MDZ003-502-WVZ050>052-504-181200-  
/O.EXA.KLWX.FG.Y.0007.000000T0000Z-250918T1200Z/  
WASHINGTON-CENTRAL AND EASTERN ALLEGANY-HAMPSHIRE-MORGAN-BERKELEY-  
EASTERN MINERAL-  
435 AM EDT THU SEP 18 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
 
 
* WHAT...VISIBILITY ONE QUARTER OF A MILE OR LESS IN DENSE FOG.  
 
* WHERE...IN MARYLAND, WASHINGTON AND CENTRAL AND EASTERN ALLEGANY  
COUNTIES. IN WEST VIRGINIA, EASTERN MINERAL, HAMPSHIRE, BERKELEY,  
AND MORGAN COUNTIES.  
 
* WHEN...UNTIL 8 AM EDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
VAZ026-027-181200-  
/O.CON.KLWX.FG.Y.0007.000000T0000Z-250918T1200Z/  
ROCKINGHAM-SHENANDOAH-  
435 AM EDT THU SEP 18 2025  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS  
MORNING...  
 
* WHAT...VISIBILITY ONE QUARTER OF A MILE OR LESS IN DENSE FOG.  
 
* WHERE...SHENANDOAH AND ROCKINGHAM COUNTIES.  
 
* WHEN...UNTIL 8 AM EDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 

 
 

 
 
KR  
 
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