Roanoke County Requested Product
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FNUS51 KRNK 211004
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
604 AM EDT THU AUG 21 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...MAINLY DURING THE AFTERNOON
AND EVENING HOURS. HEAVY RAINFALL WILL BE POSSIBLE WITH ANY OF 
THE STORMS. THIS WILL ALSO KEEP RELATIVE HUMIDITY VALUES ABOVE
40 PERCENT FOR THE FORESEEABLE FUTURE...AND RECOVERING CLOSE TO
100 PERCENT AT NIGHT. THE FRONT SHOULD SHIFT BACK SOUTH OF
THE AREA BRINGING A RETURN OF COOLER AIR FOR THE WEEKEND INTO
EARLY NEXT WEEK.

VAZ022-212130-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
604 AM EDT THU AUG 21 2014

                      TODAY        TONIGHT      FRI          

CLOUD COVER           PCLDY        MCLDY        PCLDY        
PRECIP TYPE           TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     30           30           40           
MAX/MIN TEMP          90           66           89           
MIN/MAX RH %          41           95           48           
WND20FT2MIN/EARLY(MPH)NW  4        NW  3        NW  3        
WND20FT2MIN/LATE(MPH) NW  7        LGT/VAR      NW  6        
PRECIP AMOUNT         0.00         0.03         0.05         
PRECIP DURATION       1            2            2            
PRECIP BEGIN          1 PM         CONTINUING   CONTINUING   
PRECIP END            CONTINUING   CONTINUING   CONTINUING   
MIXING HGT(FT-AGL)    6820                      6280         
TRANSPORT WND (MPH)   NW 21                     W 13         
VENT RATE (MPH-FT)    143220                    81640        
DISPERSION (EVENING)               VERY POOR                 
LAL                   3            3            3            
HAINES INDEX          4            4            3            
ADI EARLY             35 FAIR      59 GEN GOOD  29 FAIR      
ADI LATE              67 GOOD      4 VERY POOR  41 GEN GOOD  
MAX LVORI EARLY       6            3            6            
MAX LVORI LATE        1            5            2            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.
MINIMUM RH 69 PERCENT. NORTH WINDS AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 70S. MINIMUM RH
85 PERCENT. EAST WINDS AROUND 5 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. A CHANCE OF RAIN...
THUNDERSTORMS AND PATCHY DRIZZLE. LOWS IN THE LOWER 60S. HIGHS IN
THE MID 70S. MINIMUM RH 68 PERCENT. EAST WINDS AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. MINIMUM RH 64 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...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.

Note: Please review the Request Procedures before submitting a request. Certain limitations apply.