Roanoke County Requested Product
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FNUS51 KRNK 050855
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
455 AM EDT SUN JUL 5 2015

.DISCUSSION...
A SLOW MOVING AREA OF LOW PRESSURE WILL BRING WIDESPREAD WETTING 
RAINFALL TO THE REGION TODAY AND TONIGHT. THE UNSETTLED WEATHER 
WILL CONTINUE TO AFFECT THE REGION FOR THE NEXT SEVERAL DAYS...
KEEPING A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE FORECAST 
THROUGH THE FIRST PART OF NEXT WEEK...AS TEMPERATURES BEGIN A 
GRADUAL WARMING TREND. THE COMBINATION OF RELATIVELY LOW MIXING 
HEIGHTS AND LIGHT TRANSPORT WINDS WILL CREATE FAIR TO POOR 
VENTILATION AND DISPERSION THROUGH THE PERIOD. MINIMUM RELATIVE 
HUMIDITY VALUES WILL BE ABOVE 50 PERCENT FOR THE NEXT SEVERAL DAYS.

&&

VAZ022-052130-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
455 AM EDT SUN JUL 5 2015

                      TODAY        TONIGHT      MON          

CLOUD COVER           MCLDY        MCLDY        CLOUDY       
PRECIP TYPE           TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     80           70           50           
MAX/MIN TEMP          79           64           79           
MIN/MAX RH %          68           100          66           
WND20FT2MIN/EARLY(MPH)LGT/VAR      E  3         LGT/VAR      
WND20FT2MIN/LATE(MPH) E  4         SE  3        LGT/VAR      
PRECIP AMOUNT         0.45         0.67         0.23         
PRECIP DURATION       6            8            2            
PRECIP BEGIN          8 AM         CONTINUING   CONTINUING   
PRECIP END            CONTINUING   CONTINUING   CONTINUING   
MIXING HGT(FT-AGL)    4580                      4590         
TRANSPORT WND (MPH)   E  8                      SW  7        
VENT RATE (MPH-FT)    36640                     32130        
DISPERSION (EVENING)               POOR                      
LAL                   3            3            2            
HAINES INDEX          3            3            3            
ADI EARLY             6 VERY POOR  32 FAIR      22 FAIR      
ADI LATE              31 FAIR      8 POOR       32 FAIR      
MAX LVORI EARLY       8            6            8            
MAX LVORI LATE        4            8            3            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE MID 80S. MINIMUM RH 48 PERCENT.
WEST WINDS AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. MINIMUM RH 59 PERCENT. WEST WINDS 5 TO 10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY. A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE
UPPER 80S. MINIMUM RH 48 PERCENT. WEST WINDS 5 TO 10 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
MINIMUM RH 51 PERCENT. WEST WINDS 5 TO 10 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
MINIMUM RH 53 PERCENT. WEST WINDS AROUND 5 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES ABOVE 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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