Roanoke County Requested Product
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FNUS51 KRNK 202018
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
318 PM EST SAT DEC 20 2014

.DISCUSSION...
EXPECT LIGHT WINDS AND POOR VENTILATION FOR SUNDAY AND INTO MONDAY 
AS HIGH PRESSURE WEDGES DOWN THE EASTERN SEABOARD. WE WILL GET A BREAK 
IN THE PRECIPITATION TOMORROW...BUT ANOTHER WEAK AREA OF LOW PRESSURE 
MOVING UP THE COAST WILL BRING PRECIPITATION BACK TO OUR FORECAST FOR 
SUNDAY NIGHT AND MONDAY. AFTER A BRIEF BREAK ON TUESDAY...A VERY STRONG 
COLD FRONT WILL MOVE THROUGH THE REGION ON WEDNESDAY...BRINGING RAIN AND
GUSTY WINDS TO THE AREA FOR CHRISTMAS EVE.

&&

VAZ022-210930-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
318 PM EST SAT DEC 20 2014

                      TONIGHT      SUN          SUN NIGHT    MON          

CLOUD COVER           CLOUDY       PCLDY        PCLDY        MCLDY        
PRECIP TYPE           NONE         NONE         FRZ RAIN     FRZ RAIN     
CHANCE PRECIP (%)     0            0            50           50           
MIN/MAX TEMP          28           46           31           40           
MAX/MIN RH %          93           57           90           74           
WND20FT2MIN/EARLY(MPH)LGT/VAR      LGT/VAR      SE  3        LGT/VAR      
WND20FT2MIN/LATE(MPH) LGT/VAR      LGT/VAR      LGT/VAR      LGT/VAR      
PRECIP AMOUNT         0.00         0.00         0.04         0.14         
PRECIP DURATION                                 1            2            
PRECIP BEGIN                                    8 PM         CONTINUING   
PRECIP END                                      CONTINUING   CONTINUING   
MIXING HGT(FT-AGL)                 3640                      2420         
TRANSPORT WND (MPH)                S  3                      E 13         
VENT RATE (MPH-FT)                 10920                     31460        
DISPERSION (EVENING)  VERY POOR                 VERY POOR                 
LAL                   1            1            1            1            
HAINES INDEX          2            2            3            2            
ADI EARLY             5 VERY POOR  18 GEN POOR  4 VERY POOR  24 FAIR      
ADI LATE              3 VERY POOR  16 GEN POOR  4 VERY POOR  18 GEN POOR  
MAX LVORI EARLY       5            7            4            4            
MAX LVORI LATE        6            3            5            4            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S. MINIMUM RH
84 PERCENT. EAST WINDS AROUND 5 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...RAIN. LOWS IN THE MID 40S. HIGHS
IN THE LOWER 50S. MINIMUM RH 67 PERCENT. SOUTHWEST WINDS 5 TO
10 MPH. 
.WEDNESDAY NIGHT AND THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS IN THE MID 40S. MINIMUM RH 48 PERCENT. WEST WINDS
10 TO 15 MPH. 
.THURSDAY NIGHT AND FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS IN THE LOWER 50S. MINIMUM RH 43 PERCENT. SOUTHWEST
WINDS 5 TO 10 MPH. 
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLOUDY. A CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S. MINIMUM
RH 65 PERCENT. WEST WINDS 5 TO 10 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES BELOW 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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