Roanoke County Requested Product
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FNUS51 KRNK 200913
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
513 AM EDT WED AUG 20 2014

.DISCUSSION...
A STATIONARY FRONT WILL REMAIN STALLED OVER THE AREA THROUGH THIS 
UPCOMING WEEKEND. THIS FRONT WILL BE THE FOCUS FOR PERIODIC 
ROUNDS OF SHOWERS AND THUNDERSTORMS EACH DAY...THROUGH THE WEEKEND.
HEAVY RAINFALL WILL BE POSSIBLE WITH ANY OF THE SHOWERS AND
STORMS. THIS WILL ALSO KEEP RELATIVE HUMIDITY VALUES ABOVE 50 PERCENT
FOR THE FORESEEABLE FUTURE...AND RECOVERING CLOSE TO 100 PERCENT
AT NIGHT.

VAZ022-202130-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
513 AM EDT WED AUG 20 2014

                      TODAY        TONIGHT      THU          

CLOUD COVER           MCLDY        PCLDY        PCLDY        
PRECIP TYPE           TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     60           40           30           
MAX/MIN TEMP          83           65           90           
MIN/MAX RH %          61           98           45           
WND20FT2MIN/EARLY(MPH)LGT/VAR      SW  3        W  3         
WND20FT2MIN/LATE(MPH) S  3         W  4         NW  6        
PRECIP AMOUNT         0.21         0.10         0.06         
PRECIP DURATION       2            1            1            
PRECIP BEGIN          6 AM         CONTINUING   9 AM         
PRECIP END            CONTINUING   10 PM        CONTINUING   
MIXING HGT(FT-AGL)    4560                      6760         
TRANSPORT WND (MPH)   SW 10                     W 16         
VENT RATE (MPH-FT)    45600                     108160       
DISPERSION (EVENING)               POOR                      
LAL                   4            3            3            
HAINES INDEX          3            4            3            
ADI EARLY             10 POOR      20 GEN POOR  40 FAIR      
ADI LATE              28 FAIR      5 VERY POOR  59 GEN GOOD  
MAX LVORI EARLY       7            5            8            
MAX LVORI LATE        3            7            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
MINIMUM RH 55 PERCENT. WEST WINDS 5 TO 10 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND
80. MINIMUM RH 71 PERCENT. NORTH WINDS 5 TO 10 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE
UPPER 70S. MINIMUM RH 70 PERCENT. EAST WINDS AROUND 5 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S.
MINIMUM RH 66 PERCENT. EAST WINDS AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE LOWER 80S. MINIMUM RH 62 PERCENT. SOUTHWEST 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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