Halifax County Requested Product
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FNUS51 KRNK 171626
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
1226 PM EDT THU APR 17 2014

.DISCUSSION...

AFTERNOON UPDATE...

RH VALUES MAY FALL SOMEWHAT BELOW FORECASTS BASED ON CURRENT
CONDITIONS. 

PREVIOUS DISCUSSION...
A RIDGE OF HIGH PRESSURE WILL TAKE UP RESIDENCY ALONG THE LEE OF
THE APPALACHIANS TODAY...AND CONTINUE ACROSS THE AREA THROUGH
THE WEEKEND. LOW LEVEL FLOW WILL GRADUALLY TAKE ON MORE OF A
SOUTHEASTERLY FLOW AROUND THE BASE OF THIS RIDGE...AND BRING
AN INCREASING FETCH OF MOISTURE AND CLOUD COVER INTO THE AREA
STARTING ON FRIDAY. 

AN LOW PRESSURE CENTER WILL SLOWLY PROGRESS FROM THE GULF COAST
STATES NORTHEAST TOWARD GEORGIA AND SOUTH CAROLINA. MODEL GUIDANCE
IS SHOWING AN INCREASING TREND TOWARD LIGHT PRECIPITATION ON THE
NORTH SIDE OF THE SYSTEM REACHING PARTS OF THE REGION NEAR THE 
NC/VA BORDER FRIDAY EVENING AND OVERNIGHT...POSSIBLY INTO MIDDAY
SATURDAY. 

THIS LOW IS EXPECTED TO BE OFF THE GA/SC COAST BY SUNDAY...WITH 
HIGH PRESSURE CONTINUING ACROSS THE AREA...WITH A TREND TOWARD LESS
CLOUD COVER AND MILDER TEMPERATURES INTO THE BEGINNING OF NEXT WEEK.

OUR NEXT CHANCE OF SHOWERS WILL COME TUESDAY INTO TUESDAY NIGHT
WHEN A COLD FRONT IS EXPECTED TO MOVE THROUGH THE REGION.

VAZ058-180930-
HALIFAX-
INCLUDING THE CITIES OF...SOUTH BOSTON
1226 PM EDT THU APR 17 2014

                      TONIGHT      FRI          FRI NIGHT    SAT          

CLOUD COVER           MCLEAR       PCLDY        MCLDY        PCLDY        
PRECIP TYPE           NONE         NONE         NONE         NONE         
CHANCE PRECIP (%)     0            0            0            0            
MIN/MAX TEMP          38           61           40           67           
MAX/MIN RH %          85           43           100          35           
WND20FT2MIN/EARLY(MPH)LGT/VAR      NE  5        LGT/VAR      N  4         
WND20FT2MIN/LATE(MPH) NE  3        NE  5        LGT/VAR      NE  8        
PRECIP AMOUNT         0.00         0.00         0.00         0.00         
PRECIP DURATION                                                           
PRECIP BEGIN                                                              
PRECIP END                                                                
MIXING HGT(FT-AGL)                 2880                      3680         
TRANSPORT WND (MPH)                NE  6                     NE 25        
VENT RATE (MPH-FT)                 17280                     92000        
DISPERSION (EVENING)  VERY POOR                 VERY POOR                 
LAL                   1            1            1            1            
HAINES INDEX          4            4            3            3            
ADI EARLY             44 GEN GOOD  17 GEN POOR  16 GEN POOR  55 GEN GOOD  
ADI LATE              3 VERY POOR  18 GEN POOR  6 VERY POOR  86 GOOD      
MAX LVORI EARLY       3            5            3            6            
MAX LVORI LATE        4            2            5            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S. MINIMUM RH 40 PERCENT. NORTHEAST WINDS
AROUND 5 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. MINIMUM RH 48 PERCENT. NORTHEAST WINDS
AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. MINIMUM RH 49 PERCENT. WEST WINDS AROUND
5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 36 PERCENT. NORTHWEST
WINDS AROUND 5 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 62 PERCENT. WEST WINDS
AROUND 5 MPH.

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


 

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