Smyth County Requested Product
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FNUS51 KRNK 250238 AAB
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
938 PM EST TUE NOV 24 2009

.DISCUSSION...
WEAK HIGH PRESSURE WILL REMAIN ACROSS THE REGION TONIGHT. A STRONG 
COLD FRONT WILL SWING THROUGH THE AREA LATE THURSDAY BRINGING MUCH 
COLDER AIR ALONG WITH MOUNTAIN SNOW SHOWERS INTO FRIDAY NIGHT. 
HIGH PRESSURE WILL BUILD EAST ACROSS THE SOUTHEAST STATES DURING 
THE WEEKEND ALLOWING FOR A GRADUAL MODERATION IN TEMPERATURES 
THROUGH SUNDAY.

VAZ009-250915-
SMYTH-
INCLUDING THE CITIES OF...MARION
938 PM EST TUE NOV 24 2009

                      TONIGHT      WED          WED NIGHT    THU          

CLOUD COVER           PCLDY        PCLDY        PCLDY        MCLDY        
PRECIP TYPE           NONE         NONE         NONE         SHOWERS      
CHANCE PRECIP (%)     0            0            0            30           
MIN/MAX TEMP          39           55           36           51           
MAX/MIN RH %          100          57           88           54           
WND20FT2MIN/EARLY(MPH)LGT/VAR      LGT/VAR      LGT/VAR      W  5         
WND20FT2MIN/LATE(MPH) LGT/VAR      W  9G17      LGT/VAR      W  9G20      
PRECIP AMOUNT         0.00         0.00         0.00         0.00         
PRECIP DURATION                                              2            
PRECIP BEGIN                                                 7 AM         
PRECIP END                                                   CONTINUING   
MIXING HGT(FT-AGL)                 5040                      7540         
TRANSPORT WND (MPH)                W 21                      W 23         
VENT RATE (MPH-FT)                 105840                    173420       
DISPERSION (EVENING)  VERY POOR                 VERY POOR                 
LAL                   1            1            1            1            
HAINES INDEX          2            2            2            2            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT AND FRIDAY...BREEZY. CLOUDY WITH RAIN AND SNOW
SHOWERS LIKELY. LOWS IN THE LOWER 30S. HIGHS AROUND 40. MINIMUM
RH 55 PERCENT. WEST WINDS 20 TO 25 MPH. 
.FRIDAY NIGHT AND SATURDAY...BREEZY. MOSTLY CLOUDY. A CHANCE OF
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.
MINIMUM RH 38 PERCENT. WEST WINDS 15 TO 25 MPH. 
.SATURDAY NIGHT AND SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER
20S. HIGHS IN THE MID 50S. MINIMUM RH 33 PERCENT. SOUTH WINDS
10 TO 15 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. MINIMUM RH
42 PERCENT. SOUTH WINDS 5 TO 10 MPH. 
.MONDAY NIGHT AND TUESDAY...MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. MINIMUM
RH 52 PERCENT. SOUTHEAST WINDS 15 TO 20 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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