Roanoke County Requested Product
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FNUS51 KRNK 291521
FWFRNK

FIRE WEATHER PLANNING FORECAST FOR SW VA...SE WV AND NW NC
NATIONAL WEATHER SERVICE BLACKSBURG VA
1021 AM EST THU JAN 29 2015

.DISCUSSION...

...BECOMING VERY WINDY TONIGHT AND FRIDAY...

A FAST MOVING ALBERTA CLIPPER WILL SWING A COLD FRONT THROUGH
THE REGION THIS EVENING.  THE FRONT WILL PASS THROUGH
THE AREA MAINLY DRY...BUT SNOW SHOWERS WILL DEVELOP IN NORTHWEST 
FLOW BEHIND THE FRONT WITH SOME LIGHT ACCUMULATION ALONG THE 
FAR WESTERN SLOPES OF THE APPALACHIANS THROUGH FRIDAY MORNING.

THE NORTHWEST WINDS BEHIND THE FRONT WILL INCREASE TONIGHT
AND BECOME VERY STRONG AND GUSTY. GUSTS OF 30 TO 40 MPH 
CAN BE EXPECTED FRIDAY...BEFORE THE WINDS SUBSIDE FRIDAY NIGHT.

THE NEXT APPRECIABLE CHANCE FOR WETTING RAIN/SNOW WILL COME 
WITH A STORM SYSTEM THAT WILL APPROACH FROM THE SOUTHWEST
LATE IN THE WEEKEND. 

&&

VAZ022-292115-
ROANOKE-
INCLUDING THE CITIES OF...ROANOKE...SALEM
1021 AM EST THU JAN 29 2015

                      TODAY        TONIGHT      FRI          

CLOUD COVER           MCLDY        MCLDY        PCLDY        
PRECIP TYPE           RAIN         SHOWERS      NONE         
CHANCE PRECIP (%)     30           30           0            
MAX/MIN TEMP          44           29           35           
MIN/MAX RH %          44           83           36           
WND20FT2MIN/EARLY(MPH)S  3         SW  7G25     NW 16G37     
WND20FT2MIN/LATE(MPH) S  8G17      NW 13G34     NW 17G37     
PRECIP AMOUNT         0.00         0.00         0.00         
PRECIP DURATION       0            1                         
PRECIP BEGIN          2 PM         8 PM                      
PRECIP END            5 PM         4 AM                      
MIXING HGT(FT-AGL)    2380                      4790         
TRANSPORT WND (MPH)   S 23                      NW 38        
VENT RATE (MPH-FT)    54740                     182020       
DISPERSION (EVENING)               FAIR                      
LAL                   1            1            1            
HAINES INDEX          4            2            2            
ADI EARLY             18 GEN POOR  20 GEN POOR  103 VERY GOOD
ADI LATE              42 GEN GOOD  46 GEN GOOD  107 VERY GOOD
MAX LVORI EARLY       4            3            2            
MAX LVORI LATE        2            4            1            

REMARKS...NONE.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT AND SATURDAY...MOSTLY CLEAR. LOWS AROUND 17. HIGHS
IN THE UPPER 30S. MINIMUM RH 29 PERCENT. WEST WINDS 15 TO 20 MPH.
.SATURDAY NIGHT AND SUNDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN
AND SNOW. LOWS IN THE UPPER 20S. HIGHS AROUND 40. MINIMUM RH
47 PERCENT. SOUTHWEST WINDS 5 TO 10 MPH. 
.SUNDAY NIGHT AND MONDAY...MOSTLY CLOUDY. RAIN AND SNOW LIKELY.
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S. MINIMUM RH
39 PERCENT. NORTHWEST WINDS 10 TO 15 MPH. 
.MONDAY NIGHT AND TUESDAY...PARTLY CLOUDY. LOWS AROUND 15. HIGHS
IN THE MID 30S. MINIMUM RH 38 PERCENT. WEST WINDS 10 TO 15 MPH. 
.TUESDAY NIGHT AND WEDNESDAY...MOSTLY CLOUDY WITH A CHANCE OF
RAIN AND SNOW. LOWS IN THE LOWER 20S. HIGHS AROUND 40. MINIMUM RH
50 PERCENT. WEST WINDS AROUND 5 MPH.

.OUTLOOK 8 TO 14 DAYS...
TEMPERATURES BELOW NORMAL.  PRECIPITATION NEAR 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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