Grayson County Requested Product
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FNUS51 KRNK 251955
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
255 PM EST WED NOV 25 2009

.DISCUSSION...
A WEAK COLD FRONT WILL MOVE EAST INTO THE ATLANTIC OCEAN TONIGHT.
A STRONG COLD FRONT WILL SWING THROUGH THE AREA LATE THURSDAY 
BRINGING MUCH COLDER AIR ALONG WITH MOUNTAIN SNOW SHOWERS AND 
GUSTY WINDS INTO FRIDAY NIGHT. SNOW ACCUMULATIONS UP TO A FEW 
INCHES ARE POSSIBLE ALONG THE WESTERN SLOPES IN WEST VIRGINIA. 
HIGH PRESSURE WILL BUILD EAST ACROSS THE SOUTHEAST STATES DURING 
THE WEEKEND ALLOWING FOR A GRADUAL MODERATION IN TEMPERATURES 
THROUGH SUNDAY.

VAZ015-260915-
GRAYSON-
INCLUDING THE CITIES OF...INDEPENDENCE...WHITETOP...TROUTDALE...
VOLNEY
255 PM EST WED NOV 25 2009

                      TONIGHT      THU          THU NIGHT    FRI          

CLOUD COVER           PCLDY        PCLDY        MCLDY        MCLDY        
PRECIP TYPE           NONE         SHOWERS      SHOWERS      SHOWERS      
CHANCE PRECIP (%)     0            20           50           50           
MIN/MAX TEMP          35           51           29           40           
MAX/MIN RH %          89           50           88           51           
WND20FT2MIN/EARLY(MPH)LGT/VAR      W  6         W 12G27      NW 17G35     
WND20FT2MIN/LATE(MPH) LGT/VAR      W  8G18      NW 16G34     NW 16G33     
PRECIP AMOUNT         0.00         0.00         0.07         0.03         
PRECIP DURATION                    1            2            4            
PRECIP BEGIN                       1 PM         CONTINUING   CONTINUING   
PRECIP END                         CONTINUING   CONTINUING   6 PM         
MIXING HGT(FT-AGL)                 5800                      4360         
TRANSPORT WND (MPH)                W 14                      NW 43        
VENT RATE (MPH-FT)                 81200                     187480       
DISPERSION (EVENING)  POOR                      GOOD                      
LAL                   1            1            1            1            
HAINES INDEX          3            2            3            2            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT AND SATURDAY...BREEZY. PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S. MINIMUM RH 40 PERCENT. WEST
WINDS 15 TO 25 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S. MINIMUM RH 35 PERCENT. SOUTHWEST WINDS
10 TO 15 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. A CHANCE OF RAIN AND
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.
MINIMUM RH 53 PERCENT. SOUTH WINDS 10 TO 15 MPH. 
.MONDAY NIGHT AND TUESDAY...CLOUDY WITH A CHANCE OF RAIN AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. MINIMUM RH
53 PERCENT. NORTHEAST WINDS 10 TO 15 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. MINIMUM RH
50 PERCENT. NORTH WINDS 15 TO 20 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES BELOW NORMAL.  PRECIPITATION ABOVE NORMAL.


 

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