Halifax County Requested Product
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FNUS51 KRNK 041948
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
348 PM EDT TUE AUG 4 2015

.DISCUSSION...
A WEAK COLD FRONT WILL STALL ACROSS THE CAROLINAS WEDNESDAY. 
THIS WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE 
REGION THROUGH MIDWEEK. AN AREA OF LOW PRESSURE IS EXPECTED 
TO FORM ALONG THE FRONT THURSDAY AND MOVE NORTHEAST ACROSS 
THE MID ATLANTIC REGION FRIDAY...WITH A MUCH BETTER CHANCE 
WIDESPREAD WETTING RAINFALL ON THURSDAY AND FRIDAY.

MINIMUM RELATIVE HUMIDITY VALUES WILL INCREASE TO GREATER THAN 
50 PERCENT AREAWIDE BY THURSDAY. VENTILATION RATES AND DISPERSION
WILL BE GOOD THROUGH TOMORROW WITH A TYPICAL DIURNAL BIAS...BUT 
MIXING HEIGHTS WILL BE LOWERING BY THURSDAY.

&&

VAZ058-050930-
HALIFAX-
INCLUDING THE CITY OF...SOUTH BOSTON
348 PM EDT TUE AUG 4 2015

                      TONIGHT      WED          WED NIGHT    THU          

CLOUD COVER           PCLDY        PCLDY        PCLDY        MCLDY        
PRECIP TYPE           TSTMS        TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     40           30           30           40           
MIN/MAX TEMP          68           92           67           88           
MAX/MIN RH %          96           44           92           50           
WND20FT2MIN/EARLY(MPH)LGT/VAR      LGT/VAR      LGT/VAR      LGT/VAR      
WND20FT2MIN/LATE(MPH) LGT/VAR      W  4         LGT/VAR      SE  3        
PRECIP AMOUNT         0.03         0.05         0.03         0.12         
PRECIP DURATION       2            1            1            2            
PRECIP BEGIN          6 PM         9 AM         CONTINUING   CONTINUING   
PRECIP END            6 AM         CONTINUING   CONTINUING   CONTINUING   
MIXING HGT(FT-AGL)                 6030                      5690         
TRANSPORT WND (MPH)                NW 12                     S 13         
VENT RATE (MPH-FT)                 72360                     73970        
DISPERSION (EVENING)  VERY POOR                 VERY POOR                 
LAL                   3            3            3            3            
HAINES INDEX          4            5            4            4            
ADI EARLY             39 FAIR      37 FAIR      30 FAIR      12 POOR      
ADI LATE              1 VERY POOR  42 GEN GOOD  2 VERY POOR  39 FAIR      
MAX LVORI EARLY       4            7            3            5            
MAX LVORI LATE        6            1            4            2            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S.
MINIMUM RH 61 PERCENT. WEST WINDS AROUND 5 MPH. 
.FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
MINIMUM RH 51 PERCENT. NORTH WINDS AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. MINIMUM RH 52 PERCENT. EAST WINDS AROUND
5 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 80S. MINIMUM RH 53 PERCENT. SOUTH WINDS AROUND
5 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
MINIMUM RH 49 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.

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

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