Grayson County Requested Product
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FNUS51 KRNK 311950
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
350 PM EDT TUE MAR 31 2015

RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR THE SOUTHERN SHENANDOAH VALLEY SOUTHWEST ALONG THE
INTERSTATE 81 CORRIDOR...AND WEST INTO SOUTHEAST WEST
VIRGINIA

.DISCUSSION...

GUSTY SOUTHWEST WINDS WILL BE SHIFTING TO THE WEST THROUGH THIS 
EVENING AS A FRONT SLIDES SOUTHEAST THROUGH THE REGION. HUMIDITY
LEVELS WILL STAY BELOW 30 PERECENT TIL DUSK.

WINDS WILL BECOME LIGHT LATE TONIGHT...AND HUMIDITY LEVELS SHOULD
RECOVER TO 70 TO 85 PERCENT. 

HIGH PRESSURE OVERHEAD WEDNESDAY MORNING HEADS OFFSHORE WEDNESDAY 
EVENING. MOISTURE RETURNS FOR THURSDAY INTO SATURDAY AS A STORM
SYSTEM AFFECTS THE FORECAST AREA.


&&

VAZ015-010930-
GRAYSON-
INCLUDING THE CITIES OF...INDEPENDENCE...WHITETOP...TROUTDALE...
VOLNEY
350 PM EDT TUE MAR 31 2015

                      TONIGHT      WED          WED NIGHT    THU          

CLOUD COVER           MCLEAR       MCLEAR       CLEAR        PCLDY        
PRECIP TYPE           NONE         NONE         NONE         SHOWERS      
CHANCE PRECIP (%)     0            0            0            30           
MIN/MAX TEMP          36           60           38           68           
MAX/MIN RH %          78           26           82           44           
WND20FT2MIN/EARLY(MPH)W 13G34      NW  5G18     LGT/VAR      S  7G18      
WND20FT2MIN/LATE(MPH) NW  9G27     NW  3        S  5G17      S  9G20      
PRECIP AMOUNT         0.00         0.00         0.00         0.01         
PRECIP DURATION                                              1            
PRECIP BEGIN                                                 8 AM         
PRECIP END                                                   CONTINUING   
MIXING HGT(FT-AGL)                 5310                      4560         
TRANSPORT WND (MPH)                NW  7                     SW 39        
VENT RATE (MPH-FT)                 37170                     177840       
DISPERSION (EVENING)  GOOD                      VERY POOR                 
LAL                   1            1            1            1            
HAINES INDEX          3            4            4            3            
ADI EARLY             116 VERY GOOD47 GEN GOOD  20 GEN POOR  50 GEN GOOD  
ADI LATE              13 GEN POOR  43 GEN GOOD  6 VERY POOR  98 GOOD      
MAX LVORI EARLY       2            3            2            4            
MAX LVORI LATE        3            1            3            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM
RH 61 PERCENT. SOUTHWEST WINDS 15 TO 20 MPH. 
.FRIDAY NIGHT AND SATURDAY...BREEZY. MOSTLY CLOUDY. RAIN SHOWERS
LIKELY. COOLER. LOWS AROUND 40. HIGHS IN THE MID 50S. MINIMUM RH
34 PERCENT. NORTHWEST WINDS 15 TO 25 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. MINIMUM RH 34 PERCENT. SOUTHWEST WINDS
10 TO 15 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS AROUND 60. MINIMUM RH 50 PERCENT. SOUTH WINDS 10 TO 15 MPH.
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 40S. HIGHS IN THE MID 60S. MINIMUM RH 60 PERCENT.
SOUTHWEST WINDS 10 TO 15 MPH.

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


 

Site specific forecasts for wildfires and prescribed burns may be obtained by contacting the National Weather Service in Blacksburg, VA at (540) 552-0084 or by submitting a Spot Request over the Internet.

Note: Please review the Request Procedures before submitting a request. Certain limitations apply.