Roanoke County Requested Product
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FNUS51 KRNK 291931
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
331 PM EDT WED JUL 29 2015

.DISCUSSION...
WEAK HIGH PRESSURE WILL LINGER ACROSS THE REGION TONIGHT. A COLD 
FRONT TO THE NORTHWEST WILL SLIDE SOUTHEAST CROSSING THE AREA
DURING THURSDAY. ADDITIONAL SCATTERED SHOWERS AND STORMS ARE
EXPECTED ALONG THE FRONT INTO THURSDAY EVENING BEFORE DRIER AIR
SWINGS EAST. DRY HIGH PRESSURE FOLLOWS THE FRONT THURSDAY
NIGHT WITH MUCH LOWER HUMIDITY THROUGH THE WEEKEND.
&&

VAZ022-300930-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
331 PM EDT WED JUL 29 2015

                      TONIGHT      THU          THU NIGHT    FRI          

CLOUD COVER           PCLDY        PCLDY        PCLDY        MCLEAR       
PRECIP TYPE           TSTMS        TSTMS        TSTMS        NONE         
CHANCE PRECIP (%)     40           40           30           0            
MIN/MAX TEMP          69           91           59           89           
MAX/MIN RH %          97           51           96           37           
WND20FT2MIN/EARLY(MPH)S  3         LGT/VAR      NW  5        NW  4        
WND20FT2MIN/LATE(MPH) LGT/VAR      W  4         NW  4        NW  3        
PRECIP AMOUNT         0.05         0.06         0.02         0.00         
PRECIP DURATION       2            2            1                         
PRECIP BEGIN          6 PM         7 AM         CONTINUING                
PRECIP END            2 AM         CONTINUING   10 PM                     
MIXING HGT(FT-AGL)                 6370                      7520         
TRANSPORT WND (MPH)                NW  7                     NW 10        
VENT RATE (MPH-FT)                 44590                     75200        
DISPERSION (EVENING)  VERY POOR                 POOR                      
LAL                   3            3            3            1            
HAINES INDEX          3            3            4            4            
ADI EARLY             32 FAIR      38 FAIR      30 FAIR      47 GEN GOOD  
ADI LATE              2 VERY POOR  36 FAIR      4 VERY POOR  49 GEN GOOD  
MAX LVORI EARLY       5            7            4            6            
MAX LVORI LATE        7            2            6            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE MID 80S. MINIMUM RH 43 PERCENT. NORTHWEST WINDS
AROUND 5 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. MINIMUM RH 40 PERCENT. WEST WINDS AROUND
5 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 80S. MINIMUM RH 43 PERCENT. WEST WINDS AROUND
5 MPH. 
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S.
MINIMUM RH 44 PERCENT. WEST WINDS AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...PARTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S.
MINIMUM RH 49 PERCENT. WEST WINDS AROUND 5 MPH.

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