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FNUS51 KRNK 211328
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
928 AM EDT MON APR 21 2014

...LOW RELATIVE HUMIDITY THIS AFTERNOON...

.DISCUSSION...
SURFACE HIGH PRESSURE WILL LINGER OVER THE AREA THIS AFTERNOON
KEEPING WARM AND VERY DRY CONDITIONS IN PLACE. THIS WILL RESULT IN
AFTERNOON HUMIDITY LEVELS DROPPING TO BELOW 25 OR 30 PERCENT
AND PERHAPS AS LOW AS 15 PERCENT OVER THE WESTERN MOUNTAINS. 
A COLD FRONT OVER THE UPPER MIDWEST WILL SWEEP SOUTHEAST THROUGH
THE AREA ON TUESDAY...PRECEDED AND ACCOMPANIED BY 
SCATTERED SHOWERS AND THUNDERSTORMS. HIGH PRESSURE IS EXPECTED TO 
RETURN TO THE AREA ON WEDNESDAY...BRINGING BLUSTERY AND COOLER 
WEATHER. 

ALTHOUGH DRYING CONDITIONS WILL BE GOOD TO EXCELLENT TODAY...
LIGHT AND ERRATIC WINDS MAY POSE SOME TRANSPORT ISSUES FOR
SCHEDULED PRESCRIBED BURNS DUE TO THE VARIABILITY OF LOW LEVEL
FLOW. OVERALL LIGHT AND VARIABLE WINDS WILL SLOWLY WORK AROUND
TO THE SOUTH AND SOUTHWEST BUT REMAIN RATHER LIGHT THIS AFTERNOON.

ADDITIONAL OPPORTUNITIES FOR PRESCRIBED BURNS WHERE GOOD DRYING 
CONDITIONS WILL EXIST...AND WHERE TRANSPORT WINDS WILL BE MORE 
FAVORABLE DUE TO BETTER TRANSPORT AND CONSISTENCY OF DIRECTION
WILL OCCUR ON WEDNESDAY AFTERNOON...WITH AN EVEN MORE OPTIMAL
CONDITION EXPECTED ON THURSDAY.

VAZ046-212115-
APPOMATTOX-
INCLUDING THE CITIES OF...APPOMATTOX
928 AM EDT MON APR 21 2014

                      TODAY        TONIGHT      TUE          

CLOUD COVER           MCLEAR       PCLDY        MCLDY        
PRECIP TYPE           NONE         NONE         TSTMS        
CHANCE PRECIP (%)     0            0            50           
MAX/MIN TEMP          74           46           77           
MIN/MAX RH %          28           96           40           
WND20FT2MIN/EARLY(MPH)N  3         LGT/VAR      SW  3        
WND20FT2MIN/LATE(MPH) E  3         LGT/VAR      W  8         
PRECIP AMOUNT         0.00         0.00         0.09         
PRECIP DURATION                                 1            
PRECIP BEGIN                                    10 AM        
PRECIP END                                      CONTINUING   
MIXING HGT(FT-AGL)    3110                      5410         
TRANSPORT WND (MPH)   NE  2                     W 25         
VENT RATE (MPH-FT)    6220                      135250       
DISPERSION (EVENING)               VERY POOR                 
LAL                   1            1            2            
HAINES INDEX          4            5            4            
ADI EARLY             14 GEN POOR  4 VERY POOR  22 FAIR      
ADI LATE              14 GEN POOR  0 VERY POOR  75 GOOD      
MAX LVORI EARLY       5            3            7            
MAX LVORI LATE        2            4            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT AND WEDNESDAY...MOSTLY CLEAR. A CHANCE OF SHOWERS.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. MINIMUM RH
30 PERCENT. NORTHWEST WINDS 5 TO 10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 33 PERCENT. SOUTH WINDS
5 TO 10 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. MINIMUM RH
45 PERCENT. SOUTHWEST WINDS AROUND 5 MPH. 
.FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 34 PERCENT. WEST WINDS
AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. MINIMUM RH 38 PERCENT. NORTHWEST WINDS
AROUND 5 MPH.

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

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