Rockbridge County Requested Product
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FNUS51 KRNK 031934
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
334 PM EDT MON AUG 3 2015

.DISCUSSION...
A COLD FRONT APPROACHING FROM THE NORTHWEST WILL BRING A CHANCE 
OF SHOWERS AND THUNDERSTORMS TO THE AREA LATE TONIGHT AND TUESDAY.
HIGH PRESSURE WILL THEN BRING DRY AND HOT CONDITIONS TO THE REGION 
WEDNESDAY BEFORE THE NEXT FRONTAL SYSTEM BRINGS A CHANCE FOR 
SHOWERS AND THUNDERSTORMS BACK TO THE FORECAST FOR THE END OF
THE WEEK. VENTILATION RATES AND DISPERSION WILL GENERALLY BE GOOD 
WITH A TYPICAL DIURNAL BIAS. MINIMUM RELATIVE HUMIDITY VALUES WILL 
INCREASE FROM THE 30S AND 40S TODAY TO NO LOWER THAN 50 PERCENT BY 
THURSDAY. 

&&

VAZ024-040930-
ROCKBRIDGE-
INCLUDING THE CITIES OF...LEXINGTON...BUENA VISTA
334 PM EDT MON AUG 3 2015

                      TONIGHT      TUE          TUE NIGHT    WED          

CLOUD COVER           MCLEAR       MCLEAR       MCLEAR       PCLDY        
PRECIP TYPE           NONE         TSTMS        TSTMS        NONE         
CHANCE PRECIP (%)     0            30           20           0            
MIN/MAX TEMP          63           89           62           88           
MAX/MIN RH %          93           46           91           40           
WND20FT2MIN/EARLY(MPH)SW  4        W  3         W  5         LGT/VAR      
WND20FT2MIN/LATE(MPH) SW  3        W  6         LGT/VAR      W  5         
PRECIP AMOUNT         0.00         0.03         0.01         0.00         
PRECIP DURATION                    1            0                         
PRECIP BEGIN                       11 AM        CONTINUING                
PRECIP END                         CONTINUING   10 PM                     
MIXING HGT(FT-AGL)                 6920                      6910         
TRANSPORT WND (MPH)                W 17                      W 16         
VENT RATE (MPH-FT)                 117640                    110560       
DISPERSION (EVENING)  POOR                      POOR                      
LAL                   2            3            2            1            
HAINES INDEX          5            4            4            4            
ADI EARLY             59 GEN GOOD  37 FAIR      51 GEN GOOD  35 FAIR      
ADI LATE              2 VERY POOR  77 GOOD      2 VERY POOR  73 GOOD      
MAX LVORI EARLY       3            6            3            5            
MAX LVORI LATE        5            1            5            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID
80S. MINIMUM RH 55 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY WITH SHOWERS LIKELY
AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND
80. MINIMUM RH 58 PERCENT. WEST WINDS 5 TO 10 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. MINIMUM RH
55 PERCENT. NORTHWEST WINDS AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS AROUND 80. MINIMUM RH 56 PERCENT. EAST WINDS AROUND
5 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. MINIMUM RH 60 PERCENT. WEST 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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