FNUS51 KRNK 211907
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
307 PM EDT TUE MAY 21 2013

.DISCUSSION...

FIRE WEATHER THREATS WILL REMAIN LOW INTO THURSDAY...WITH 
SHOWERS AND THUNDERSTORMS IN THE FORECAST. LOW PRESSURE ALOFT
ACROSS SOUTHERN VIRGINIA WILL PUSH EAST INTO THE ATLANTIC
OCEAN TONIGHT. A LARGE LOW PRESSURE SYSTEM WILL TRACK FROM 
THE CENTRAL PLAINS INTO THE GREAT LAKES BY THURSDAY. THIS 
SYSTEM WILL PUSH A COLD FRONT THROUGH THE AREA THURSDAY...FOLLOWED 
BY HIGH PRESSURE ON FRIDAY.

RELATIVE HUMIDITY AS LOW AS THE 40 AND 50S THIS AFTERNOON WILL
REBOUND QUICKLY TONIGHT TO MAXIMUM FROM 85 TO 100 PERCENT. MINIMUM
RELATIVE HUMIDITY WEDNESDAY AFTERNOON WILL VARY FROM THE MID 40S TO
AROUND 70 PERCENT ALONG SOUTHERN BLUE RIDGE.

WVZ042-220915-
MERCER-
INCLUDING THE CITIES OF...BLUEFIELD...FLAT TOP
307 PM EDT TUE MAY 21 2013

                      TONIGHT      WED          WED NIGHT    THU          

CLOUD COVER           PCLDY        PCLDY        MCLDY        PCLDY        
PRECIP TYPE           TSTMS        TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     60           60           60           50           
MIN/MAX TEMP          60           82           60           71           
MAX/MIN RH %          94           43           91           55           
WND20FT2MIN/EARLY(MPH)SW  5        LGT/VAR      S  6         SW  5        
WND20FT2MIN/LATE(MPH) LGT/VAR      SW  9G19     LGT/VAR      W  8         
PRECIP AMOUNT         0.18         0.11         0.18         0.17         
PRECIP DURATION       3            4            6            2            
PRECIP BEGIN          6 PM         CONTINUING   CONTINUING   CONTINUING   
PRECIP END            CONTINUING   CONTINUING   CONTINUING   CONTINUING   
MIXING HGT(FT-AGL)                 7550                      8190         
TRANSPORT WND (MPH)                SW 23                     W 23         
VENT RATE (MPH-FT)                 173650                    188370       
DISPERSION (EVENING)  POOR                      POOR                      
LAL                   4            4            4            3            
HAINES INDEX          4            4            4            3            
ADI EARLY             26 FAIR      38 FAIR      74 GOOD      52 GEN GOOD  
ADI LATE              6 VERY POOR  76 GOOD      11 POOR      83 GOOD      
MAX LVORI EARLY       3            6            3            5            
MAX LVORI LATE        5            1            4            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH
52 PERCENT. NORTHWEST WINDS 10 TO 15 MPH. 
.FRIDAY NIGHT AND SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 40 PERCENT. NORTHWEST
WINDS 5 TO 10 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 70S. MINIMUM RH 46 PERCENT. SOUTHEAST WINDS AROUND
5 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. MINIMUM RH
55 PERCENT. SOUTH WINDS AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. MINIMUM RH
55 PERCENT. SOUTH WINDS AROUND 5 MPH.

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