237  
WWUS71 KRNK 200909  
NPWRNK  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BLACKSBURG VA  
509 AM EDT TUE SEP 20 2016  
 
...WIDESPREAD DENSE FOG TO HAMPER THE MORNING COMMUTE WEST OF THE  
BLUE RIDGE...  
   
..WET GROUND...CALM WINDS
 
AND HIGH RELATIVE HUMIDITY VALUES HAVE  
LED TO THE DEVELOPMENT OF WIDESPREAD DENSE FOG MAINLY WEST OF THE  
BLUE RIDGE THIS MORNING, INCLUDING THE NEW RIVER, GREENBRIER RIVER,  
AND SOUTHERN SHENANDOAH VALLEYS, THE MOUNTAIN EMPIRE REGION, AS  
WELL AS THE ALLEGHANY HIGHLANDS. SOME LOCATIONS WITHIN THIS REGION  
HAVE SEEN VISIBILITIES DROP TO NEAR ZERO. THESE CONDITIONS WILL  
CONTINUE THROUGH AN HOUR OR SO AFTER SUNRISE...IMPACTING THE  
MORNING COMMUTE...  
 
NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>044-507-201300-  
/O.NEW.KRNK.FG.Y.0004.160920T0909Z-160920T1300Z/  
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-  
PULASKI-MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-  
ROANOKE-BOTETOURT-ROCKBRIDGE-MERCER-SUMMERS-MONROE-  
EASTERN GREENBRIER-  
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...  
TAZEWELL...MARION...BLAND...PEARISBURG...WYTHEVILLE...RADFORD...  
PULASKI...BLACKSBURG...INDEPENDENCE...WHITETOP...TROUTDALE...  
VOLNEY...GALAX...FLOYD...NEW CASTLE...CLIFTON FORGE...COVINGTON...  
HOT SPRINGS...ROANOKE...SALEM...FINCASTLE...LEXINGTON...  
BUENA VISTA...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION...  
LEWISBURG...WHITE SULPHUR SPRINGS...ALDERSON  
509 AM EDT TUE SEP 20 2016  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
 
 
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A DENSE FOG  
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM EDT THIS MORNING.  
 
* LOCATIONS...NEAR AND WEST OF A LINE FROM BOONE...TO ROANOKE...TO  
LEXINGTON...INCLUDING THE NEW RIVER, GREENBRIER RIVER, SOUTHERN  
SHENANDOAH VALLEYS, THE MOUNTAIN EMPIRE REGION, AND THE  
ALLEGHANY HIGHLANDS.  
 
* HAZARDS...DENSE FOG...VISIBILITIES REDUCED TO 1/2 MILE OR LESS  
IN MANY LOCATIONS.  
 
* TIMING...THROUGH 9 AM EDT THIS MORNING.  
 
* IMPACTS...SEVERELY REDUCED VISIBILITIES WILL HAMPER TRAVEL  
THROUGH THE MORNING COMMUTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE  
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...  
USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE BETWEEN  
YOU AND THE VEHICLE IN FRONT OF YOU. BE PREPARED FOR RAPID  
VARIATIONS IN VISIBILITY BETWEEN YOU AND THE VEHICLE IN FRONT OF  
YOU.  
 

 
 

 
 
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