Roanoke County Requested Product
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FNUS51 KRNK 010236
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
1036 PM EDT TUE MAR 31 2015

.DISCUSSION...

...LOW HUMIDITY BUT LIGHTER WINDS ON WEDNESDAY...

GUSTY WEST WINDS WILL BE SHIFTING TO THE NORTHWEST OVERNIGHT AS A 
COLD FRONT SLIDES SOUTHEAST OF THE REGION. HUMIDITY LEVELS WILL SLOWLY
INCREASE AS MIXING DIMINISHES AND TEMPERATURES COOL. WINDS WILL BECOME
LIGHT LATE TONIGHT...AND HUMIDITY LEVELS SHOULD RECOVER TO BETWEEN 70 
AND 85 PERCENT. 

HIGH PRESSURE OVERHEAD WEDNESDAY MORNING SLIDES OFFSHORE WEDNESDAY 
EVENING. MOISTURE RETURNS FOR THURSDAY INTO SATURDAY AS A STORM
SYSTEM AFFECTS THE FORECAST AREA.
&&

VAZ022-010915-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
1036 PM EDT TUE MAR 31 2015

                      TONIGHT      WED          WED NIGHT    THU          

CLOUD COVER           MCLEAR       CLEAR        CLEAR        PCLDY        
PRECIP TYPE           NONE         NONE         NONE         NONE         
CHANCE PRECIP (%)     0            0            0            0            
MIN/MAX TEMP          37           62           36           73           
MAX/MIN RH %          72           26           82           36           
WND20FT2MIN/EARLY(MPH)W 11G33      NW  3        LGT/VAR      SW  5G18     
WND20FT2MIN/LATE(MPH) NW  6G18     NW  3        S  3         S  9G20      
PRECIP AMOUNT         0.00         0.00         0.00         0.00         
PRECIP DURATION                                                           
PRECIP BEGIN                                                              
PRECIP END                                                                
MIXING HGT(FT-AGL)                 5910                      5180         
TRANSPORT WND (MPH)                W  7                      SW 33        
VENT RATE (MPH-FT)                 41370                     170940       
DISPERSION (EVENING)  GOOD                      VERY POOR                 
LAL                   1            1            1            1            
HAINES INDEX          3            4            4            3            
ADI EARLY             116 VERY GOOD60 GEN GOOD  22 FAIR      42 GEN GOOD  
ADI LATE              12 POOR      49 GEN GOOD  3 VERY POOR  90 GOOD      
MAX LVORI EARLY       2            3            2            4            
MAX LVORI LATE        3            1            3            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. MINIMUM
RH 54 PERCENT. SOUTHWEST WINDS 15 TO 20 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. SHOWERS LIKELY.
COOLER. LOWS IN THE MID 40S. HIGHS AROUND 60. MINIMUM RH
30 PERCENT. NORTHWEST WINDS 15 TO 20 MPH. 
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. MINIMUM RH 32 PERCENT. WEST WINDS 10 TO
15 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 43 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. MINIMUM
RH 55 PERCENT. SOUTHWEST WINDS 5 TO 10 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.

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