Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Tue Jul 1 2025

.DISCUSSION...
A lingering warm and unstable airmass remains in place through 
Tuesday. A cold front will move through the region 
late Tuesday, which will bring a slightly cooler and less humid
airmass into the region by Thursday. Until then, expect 
scattered to numerous afternoon and evening showers and 
thunderstorms, some of which may contain very heavy rain, 
resulting in localized flooding, as well as isolated severe 
storms causing wind damage. Storms Tuesday may pose the greatest
threat with respect to severe weather, especially across the 
Piedmont.

VAZ007-009-010-012-015-016-020800-
JEFFERSON NATIONAL FOREST South Zone-
INCLUDING Mt Rogers and Wythe
231 AM EDT Tue Jul 1 2025

                      Tonight      Wed          Wed Night    Thu          

Cloud Cover           Mcldy        Pcldy        Mclear       Mclear       
Precip Type           Tstms        Tstms        None         None         
Chance Precip (%)     70           40           0            0            
Chance of Thunder (%) 70           40           0            0            
Min/Max Temp          62           81           58           82           
Max/Min RH %          100          62           97           51           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var      
Precip Amount         0.34         0.04         0.00         0.00         
Precip Duration       5            2                                      
Precip Begin          6 PM         Continuing                             
Precip End            Continuing   6 PM                                   
Mixing Hgt(ft-agl)                 4810                      5920         
Transport Wnd (mph)                NW  6                     N  9         
Vent Rate (mph-ft)                 28860                     53280        
Dispersion            Very Poor                 Very Poor                 
Max ADI Early         13 Gen Poor  15 Gen Poor  24 Fair      59 Gen Good  
Max ADI Late          4 Very Poor  23 Fair      2 Very Poor  72 Good      
Max LVORI Early       9            8            6            7            
Max LVORI Late        9            4            7            1            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. Minimum RH 50 percent. Northeast winds around 5 mph. 
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 52 percent. South winds around 5 mph. 
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the
lower 80s. Minimum RH 54 percent. Southwest winds around 5 mph. 
.MONDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. Minimum RH
59 percent. Southwest winds around 5 mph. 
.TUESDAY...Partly cloudy. Showers likely and a chance of
thunderstorms. Lows in the mid 60s. Highs in the lower 80s.
Minimum RH 65 percent. Southwest winds around 5 mph. 

$$

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

$$

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