Floyd County Requested Product
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FNUS51 KRNK 310920
FWFRNK

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

RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT
THIS EVENING FOR THE ALLEGHANY HIGHLANDS AND THE SHENANDOAH VALLEY

.DISCUSSION...

WESTERLY WIND FLOW REMAINED IN PLACE OVERNIGHT...MAINTAINING LOW 
HUMIDITY WHICH ALLOWED FOR ONLY MODEST RECOVERY OF FUEL MOISTURES. 
THE DOWNSLOPE FLOW WILL COMBINE WITH ABUNDANT SUNSHINE THIS MORNING 
TO CAUSE TEMPERATURES TO SPIKE QUICKLY AFTER SUNRISE...AND CAUSE 
RH VALUES TO DROP TO AROUND 20 PERCENT THIS AFTERNOON FOR MUCH OF 
THE AREA.

A DEEP LOW PRESSURE SYSTEM WILL PASS ACROSS THE SOUTHERN GREAT 
LAKES THIS AFTERNOON...CAUSING WINDS TO SHIFT MORE SOUTHWESTERLY 
AFTER SUNRISE AND WIND SPEEDS TO INCREASE. WIND SPEEDS BY EARLY 
AFTERNOON WILL INCREASE TO 10-20 MPH AND GUST TO AROUND 30 MPH FOR 
MOST OF THE FORECAST AREA. GUSTS AS HIGH AS 40 MPH CAN BE EXPECTED 
ACROSS THE HIGHER RIDGES.

THE LOW PRESSURE SYSTEM WILL DRAG A COLD FRONT ACROSS THE FORECAST 
AREA THIS EVENING...TRIGGERING SPOTTY SHOWER ACTIVITY WITH ONLY A 
FEW HUNDREDTHS OF AN INCH OF WETTING RAINFALL...MAINLY ACROSS THE 
RIDGES OF SOUTHEAST WEST VIRGINIA INTO THE ALLEGHANY HIGHLANDS...
ALONG WITH SOME INCREASED CLOUD COVER.

FUELS WILL CONTINUE TO DRY OUT THROUGH MIDWEEK. HIGH PRESSURE 
BUILDS OVERHEAD ON WEDNESDAY...RESULTING IN LIGHT WINDS...THEN MOVES 
OFFSHORE ON THURSDAY. MOISTURE RETURNS WITH SHOWERY WEATHER ANTICIPATED 
FOR THURSDAY NIGHT INTO EARLY SATURDAY.

&&

VAZ017-312215-
FLOYD-
INCLUDING THE CITIES OF...FLOYD
520 AM EDT TUE MAR 31 2015

                      TODAY        TONIGHT      WED          

CLOUD COVER           MCLEAR       MCLEAR       CLEAR        
PRECIP TYPE           NONE         NONE         NONE         
CHANCE PRECIP (%)     0            0            0            
MAX/MIN TEMP          66           38           59           
MIN/MAX RH %          24           79           30           
WND20FT2MIN/EARLY(MPH)W  7G19      W 12G26      NW  6G17     
WND20FT2MIN/LATE(MPH) SW 14G27     NW  9G22     W  4         
PRECIP AMOUNT         0.00         0.00         0.00         
PRECIP DURATION                                              
PRECIP BEGIN                                                 
PRECIP END                                                   
MIXING HGT(FT-AGL)    6950                      5190         
TRANSPORT WND (MPH)   W 39                      W 12         
VENT RATE (MPH-FT)    271050                    62280        
DISPERSION (EVENING)               GOOD                      
LAL                   1            1            1            
HAINES INDEX          5            3            3            
ADI EARLY             42 GEN GOOD  89 GOOD      55 GEN GOOD  
ADI LATE              125 VERY GOOD33 FAIR      60 GEN GOOD  
MAX LVORI EARLY       2            2            3            
MAX LVORI LATE        1            3            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT AND THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE MID 60S. MINIMUM RH 54 PERCENT. SOUTHWEST WINDS
10 TO 15 MPH. 
.THURSDAY NIGHT AND FRIDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. MINIMUM RH 67 PERCENT. SOUTHWEST WINDS 10 TO 15 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. SHOWERS LIKELY.
COOLER. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. MINIMUM RH
43 PERCENT. NORTHWEST WINDS 15 TO 20 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S. MINIMUM RH 38 PERCENT. WEST WINDS 5 TO
10 MPH. 
.SUNDAY NIGHT AND MONDAY...PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. MINIMUM RH 46 PERCENT. SOUTH 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.

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