Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
700 PM EDT Sun Jul 26 2026

.DISCUSSION...

A disturbance arriving this evening is expected to trigger a
broken line of showers and a few thunderstorms during the 
evening, which will pass across the Piedmont. Wetting rainfall 
totals ranging from less than 0.10 to locally 0.50 inch are 
possible. The next potential for widespread wetting rain will
return late Monday night as a line of thunderstorms arrives from 
the north, and again on Tuesday, with the redevelopment of storms 
across the area in the afternoon.

VAZ007-010>014-018-022-023-WVZ044-270800-
JEFFERSON NATIONAL FOREST Eastern Divide Zone-
INCLUDING Blacksburg and New Castle
700 PM EDT Sun Jul 26 2026

                      Tonight      Mon          Mon Night    Tue          

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy        
Precip Type           Tstms        None         None         Tstms        
Chance Precip (%)     30           0            0            90           
Chance of Thunder (%) 30           0            0            50           
Min/Max Temp          61           86           63           83           
Max/Min RH %          100          49           98           67           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  6 G21     
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  8 G22     
Precip Amount         0.05         0.00         0.00         0.33         
Precip Duration       1                                      11           
Precip Begin          6 PM                                   6 AM         
Precip End            2 AM                                   Continuing   
Mixing Hgt(ft-agl)                 5480                      3250         
Transport Wnd (mph)                NW  9                     S 22         
Vent Rate (mph-ft)                 49320                     71500        
Dispersion            Very Poor                 Very Poor                 
Max ADI Early         50 Gen Good  40 Fair      45 Gen Good  27 Fair      
Max ADI Late          2 Very Poor  55 Gen Good  2 Very Poor  62 Good      
Max LVORI Early       8            9            5            7            
Max LVORI Late        9            2            6            4            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 63 percent. Northwest winds 10 to 15 mph. 
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 59 percent. Northwest winds 10 to 15 mph. 
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 80.
Minimum RH 53 percent. West winds 5 to 10 mph. 
.SATURDAY...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 66 percent. South winds around 5 mph. 
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the lower 60s. Highs in the mid 70s.
Minimum RH 79 percent. Southeast winds around 5 mph. 

$$

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

$$

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