Halifax County Requested Product
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FNUS51 KRNK 210503 AAA
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
103 AM EDT SUN SEP 21 2014

.DISCUSSION...

HIGH PRESSURE OFF THE COAST WILL CONTINUE TO PUSH AWAY THIS EVENING 
AS A COLD FRONT APPROACHES FROM THE NORTHWEST. THIS WILL CAUSE WINDS 
TO SHIFT TO THE WEST OVERNIGHT. 

EXPECT TO START SUNDAY OFF WITH MOSTLY CLEAR SKIES...WHICH WILL ALLOW 
AFTERNOON RH VALUES TO FALL TO NEAR 30 PERCENT ACROSS THE PIEDMONT 
WITH MAXIMUM HEATING. SHOWER ACTIVITY WILL INCREASE DURING THE AFTERNOON 
ACROSS THE MOUNTAINS AS THE FRONT NEARS...WITH SHOWERS AND THUNDERSTORMS 
BECOMING SCATTERED DURING THE EVENING. THE COLD FRONT WILL PASS 
ACROSS THE REGION SUNDAY NIGHT...WITH DRY COOL CANADIAN HIGH PRESSURE 
BUILDING ACROSS THE AREA MONDAY.

VAZ058-220515-
HALIFAX-
INCLUDING THE CITIES OF...SOUTH BOSTON
103 AM EDT SUN SEP 21 2014

                      TONIGHT      MON          MON NIGHT    TUE          

CLOUD COVER           PCLDY        MCLEAR       MCLEAR       CLEAR        
PRECIP TYPE           TSTMS        NONE         NONE         NONE         
CHANCE PRECIP (%)     30           0            0            0            
MIN/MAX TEMP          61           78           49           71           
MAX/MIN RH %          85           39           84           41           
WND20FT2MIN/EARLY(MPH)SW  6        NW  6        N  3         N  3         
WND20FT2MIN/LATE(MPH) W  5         NW  6        N  3         LGT/VAR      
PRECIP AMOUNT         0.02         0.00         0.00         0.00         
PRECIP DURATION       1                                                   
PRECIP BEGIN          6 PM                                                
PRECIP END            2 AM                                                
MIXING HGT(FT-AGL)                 4680                                   
TRANSPORT WND (MPH)                NW 10                     N/A          
VENT RATE (MPH-FT)                 46800                                  
DISPERSION (EVENING)  POOR                      VERY POOR                 
LAL                   2            1            N/A          N/A          
HAINES INDEX          4            4            4                         
ADI EARLY             36 FAIR      60 GEN GOOD                            
ADI LATE              7 POOR       55 GEN GOOD                            
MAX LVORI EARLY       4            4                                      
MAX LVORI LATE        5            1                                      

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT AND WEDNESDAY...MOSTLY CLEAR. LOWS AROUND 50.
HIGHS IN THE LOWER 70S. MINIMUM RH 52 PERCENT. NORTHEAST WINDS
AROUND 5 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY. LOWS IN THE MID
50S. HIGHS AROUND 70. MINIMUM RH 68 PERCENT. NORTHEAST WINDS 5 TO
10 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 57 PERCENT. NORTHEAST WINDS
AROUND 5 MPH. 
.FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 60 PERCENT. NORTHEAST WINDS
AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 99 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES ABOVE 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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