Smyth County Requested Product
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FNUS51 KRNK 242004
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
404 PM EDT THU APR 24 2014

.DISCUSSION...

EXPECT ONLY THIN HIGH CLOUDS TO PASS ACROSS THE REGION THROUGH 
THE REMAINDER OF THE DAY. RH VALUES BETWEEN 15 AND 25 PERCENT 
WILL RECOVER ONLY GRADUALLY THIS EVENING AS LIGHT WINDS ARE SLOW 
TO RETURN MOISTURE TO THE REGION...WHILE INCREASING CLOUD COVER 
LATE THIS EVENING WILL LIMIT RADIATIONAL COOLING. 

A COLD FRONT IS EXPECTED TO BRING WETTING SHOWERS ON FRIDAY WITH 
AMOUNTS OF AROUND A QUARTER INCH. SATURDAY WILL BE A DAY OF 
DRYING AS HIGH PRESSURE BUILDS IN FROM THE WEST...RESULTING IN 
MOSTLY CLEAR SKIES AND GUSTY WEST WINDS. WIND SPEEDS WILL BE LESS 
THAN 10 MPH ON SUNDAY...WITH CONTINUED DRY CONDITIONS AND MOSTLY 
CLEAR SKIES EXPECTED. MONDAY THROUGH THE MIDDLE OF NEXT WEEK IS 
EXPECTED TO BE WET AS A LARGE AND SLOW MOVING LOW PRESSURE SYSTEM 
MOVES IN FROM THE WEST.

VAZ009-250930-
SMYTH-
INCLUDING THE CITIES OF...MARION
404 PM EDT THU APR 24 2014

                      TONIGHT      FRI          FRI NIGHT    SAT          

CLOUD COVER           PCLDY        MCLDY        MCLEAR       MCLEAR       
PRECIP TYPE           NONE         SHOWERS      SHOWERS      NONE         
CHANCE PRECIP (%)     0            90           40           0            
MIN/MAX TEMP          44           68           44           74           
MAX/MIN RH %          84           50           91           30           
WND20FT2MIN/EARLY(MPH)S  3         S  5         W 13G29      W  6G20      
WND20FT2MIN/LATE(MPH) S  4         SW  9G24     W  7G24      W 12G22      
PRECIP AMOUNT         0.00         0.23         0.02         0.00         
PRECIP DURATION                    7            0                         
PRECIP BEGIN                       6 AM         CONTINUING                
PRECIP END                         CONTINUING   8 PM                      
MIXING HGT(FT-AGL)                 6400                      8580         
TRANSPORT WND (MPH)                W 40                      W 33         
VENT RATE (MPH-FT)                 256000                    283140       
DISPERSION (EVENING)  POOR                      GOOD                      
LAL                   1            1            1            1            
HAINES INDEX          4            3            3            4            
ADI EARLY             39 FAIR      17 GEN POOR  122 VERY GOOD79 GOOD      
ADI LATE              12 POOR      124 VERY GOOD48 GEN GOOD  117 VERY GOOD
MAX LVORI EARLY       2            4            2            4            
MAX LVORI LATE        3            3            4            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S. MINIMUM RH 37 PERCENT. WEST WINDS 5 TO
10 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS
IN THE UPPER 40S. HIGHS IN THE UPPER 60S. MINIMUM RH 60 PERCENT.
SOUTHEAST WINDS 5 TO 10 MPH. 
.MONDAY NIGHT AND TUESDAY...CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID
60S. MINIMUM RH 75 PERCENT. SOUTHEAST WINDS 10 TO 15 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
60S. MINIMUM RH 63 PERCENT. SOUTH WINDS 5 TO 10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM
RH 51 PERCENT. WEST WINDS AROUND 5 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES BELOW 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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