Roanoke County Requested Product
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FNUS51 KRNK 291334 AAA
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
934 AM EDT FRI MAY 29 2015

.DISCUSSION...
HIGH PRESSURE OFFSHORE WILL MAINTAIN A MOIST SOUTHERLY FLOW ACROSS
THE REGION TODAY INTO THE WEEKEND. A COLD FRONT WILL APPROACH
FROM THE NORTHWEST LATE IN THE WEEKEND BEFORE DIPPING SOUTH OF THE
AREA EARLY NEXT WEEK RESULTING IN MORE WIDESPREAD SHOWERS AND
STORMS LATER SUNDAY INTO MONDAY. COOLER AND DRIER CONDITIONS WILL
THEN BUILD IN FROM THE NORTH BY THE MIDDLE OF NEXT WEEK. MINIMUM 
RH VALUES ARE EXPECTED TO REMAIN ABOVE 50 PERCENT INTO EARLY NEXT
WEEK. MIXING HEIGHTS WILL REMAIN FAVORABLE BUT RELATIVELY LIGHT 
TRANSPORT WINDS WILL HINDER VENTILATION RATES.

&&

VAZ022-292115-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
934 AM EDT FRI MAY 29 2015

                      TODAY        TONIGHT      SAT          

CLOUD COVER           PCLDY        PCLDY        PCLDY        
PRECIP TYPE           TSTMS        TSTMS        TSTMS        
CHANCE PRECIP (%)     40           40           20           
MAX/MIN TEMP          83           63           87           
MIN/MAX RH %          51           90           42           
WND20FT2MIN/EARLY(MPH)LGT/VAR      SE  4        LGT/VAR      
WND20FT2MIN/LATE(MPH) SE  6        LGT/VAR      S  6         
PRECIP AMOUNT         0.10         0.07         0.00         
PRECIP DURATION       2            2            1            
PRECIP BEGIN          12 PM        CONTINUING   1 PM         
PRECIP END            CONTINUING   2 AM         CONTINUING   
MIXING HGT(FT-AGL)    6730                      8220         
TRANSPORT WND (MPH)   SE 10                     S 12         
VENT RATE (MPH-FT)    67300                     98640        
DISPERSION (EVENING)               POOR                      
LAL                   3            3            2            
HAINES INDEX          3            3            3            
ADI EARLY             19 GEN POOR  37 FAIR      34 FAIR      
ADI LATE              40 FAIR      2 VERY POOR  66 GOOD      
MAX LVORI EARLY       6            3            5            
MAX LVORI LATE        2            5            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY. A CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
MINIMUM RH 55 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY. LOWS IN THE MID 60S. HIGHS IN THE UPPER
70S. MINIMUM RH 68 PERCENT. EAST WINDS AROUND 5 MPH. 
.MONDAY NIGHT AND TUESDAY...CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. HIGHS IN THE LOWER 70S. MINIMUM RH 73 PERCENT. EAST
WINDS AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S. MINIMUM
RH 68 PERCENT. EAST WINDS AROUND 5 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...MOSTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 57 PERCENT. SOUTHEAST
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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