Fire Weather Forecast - Grayson County, VA

Fire Weather Forecast Banner for Grayson County
FNUS51 KRNK 021026
FWFRNK

Fire Weather Planning Forecast for SW VA...SE WV and NW NC
National Weather Service Blacksburg VA
526 AM EST Thu Dec 2 2021

.DISCUSSION...

...Elevated Wind Speeds Today And Tonight With Frequent Gusts...
...Above Normal Temperatures Through Friday...
...Trending Much Drier Friday... 

High pressure is centered over the southern U.S. with a trough
of Low pressure passing across the Great Lakes and New England. 
Strong westerly wind flow exists between these two features, 
and this will be the primary focus over the next 24 hours as 
the forecast area will experience breezy and warmer conditions. 
Dry weather is expected through the upcoming weekend, then
transition into a wetter pattern for next week.

Concerns to consider through Friday:

Temperatures: Readings areawide are expected to be 15 degrees
above the seasonal norm with daytime highs in the 60s to around
70 and overnight lows in the 40s. 

Wind: Strongest today and tonight with sustained speeds of 10 
to 20 mph and gusts in the 25 to 35 mph range...diminishing 
Friday. 

Humidity: Falling into the 35 to 45 percent range today...modest
recovery tonight followed by the driest conditions Friday with
minimums in the 20 to 35 percent range...the lowest readings
occurring across Virginia.

Fuels: Dry antecedent conditions are being observed across the
entire service area. No significant rain (0.25 or more) has  
occurred in the mountains since November 12th. Parts of the 
Piedmont near Danville, VA, have eclipsed an entire month (now
approaching 45 days) since a significant rain event.

VAZ015-022130-
Grayson-
Including the cities of Independence, Whitetop, Troutdale, 
and Volney
526 AM EST Thu Dec 2 2021

                      Today        Tonight      Fri          

Cloud cover           Pcldy        Mclear       Mclear       
Precip type           None         None         None         
Chance precip (%)     0            0            0            
Min/Max Temp          60           41           64           
Max/Min RH %          45           76           37           
Wnd20ft2min/Early(mph)W 10G29      W 12G35      W  9G28      
Wnd20ft2min/Late(mph) W 12G34      W 11G33      W  7G17      
Precip amount         0.00         0.00         0.00         
Precip duration                                              
Precip begin                                                 
Precip end                                                   
Mixing hgt(ft-AGL)    2680                      3020         
Transport wnd (mph)   W 36                      W 14         
Vent rate (mph-ft)    95540                     41680        
Dispersion(evening)                GOOD                      
LAL                   1            1            1            
Haines Index          3            3            4            
ADI early             60 GEN GOOD  28 FAIR      53 GEN GOOD  
ADI late              65 GOOD      27 FAIR      59 GEN GOOD  
Max LVORI early       4            2            3            
Max LVORI late        1            3            2            

REMARKS...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 40s.
Highs in the mid 50s. Minimum RH 52 percent. Northwest winds
10 to 15 mph. 
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 30s.
Highs in the mid 40s. Minimum RH 58 percent. Southeast winds
10 to 15 mph. 
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of rain
showers. Lows in the lower 40s. Highs in the upper 40s. Minimum
RH 56 percent. West winds 10 to 15 mph. 
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Colder. Lows in the
lower 20s. Highs in the upper 30s. Minimum RH 38 percent.
Southwest winds 15 to 20 mph. 
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
rain showers. Lows in the lower 30s. Highs in the upper 40s.
Minimum RH 62 percent. Southwest winds 10 to 15 mph.

.OUTLOOK 8 TO 14 DAYS...
Temperatures above normal.  Precipitation near normal.