Jefferson National Forest Presuppresion Forecast

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Experimental...Fire Weather Planning Forecast for VA Natl Forests
NATIONAL WEATHER SERVICE Blacksburg VA
830 PM EDT Wed Apr 30 2025

.DISCUSSION...

A nearly stationary front will be the focus for
mainly scattered showers and storms this afternoon
and again Thursday and Friday. Moisture increases
keeping RH values elevated. Best wetting rain 
chances will be in the mountains into Friday
and areawide Saturday as a cold front moves across.

VAZ007-009-010-012-015-016-010800-
JEFFERSON NATIONAL FOREST South Zone-
INCLUDING Mt Rogers and Wythe
830 PM EDT Wed Apr 30 2025

                      Tonight      Thu          Thu Night    Fri          

Cloud Cover           Pcldy        Pcldy        Pcldy        Pcldy        
Precip Type           Tstms        Tstms        Tstms        Tstms        
Chance Precip (%)     30           60           50           60           
Chance of Thunder (%) 30           50           50           50           
Min/Max Temp          55           78           55           77           
Max/Min RH %          94           48           90           46           
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  6 G18     SW  6 G18    
Wind 20ft/late(mph)   Lgt/Var      SW  8 G18    SW  5        SW  7 G18    
Precip Amount         0.14         0.17         0.19         0.04         
Precip Duration       0            2            2            4            
Precip Begin          6 PM         7 AM         Continuing   Continuing   
Precip End            8 PM         Continuing   Continuing   Continuing   
Mixing Hgt(ft-agl)                 6690                      5760         
Transport Wnd (mph)                SW 15                     SW 16        
Vent Rate (mph-ft)                 100350                    92160        
Dispersion            Very Poor                 Fair                      
Max ADI Early         31 Fair      66 Good      20 Gen Poor  54 Gen Good  
Max ADI Late          2 Very Poor  92 Good      5 Very Poor  78 Good      
Max LVORI Early       4            7            4            5            
Max LVORI Late        5            1            5            2            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Showers and a chance of thunderstorms. Lows in the
mid 50s. Highs in the upper 60s. Minimum RH 59 percent. West
winds 5 to 10 mph. 
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the mid 60s. Minimum RH 47 percent.
Northwest winds 5 to 10 mph. 
.MONDAY...Partly cloudy. A chance of showers. Lows in the mid
40s. Highs in the mid 60s. Minimum RH 53 percent. East winds 5 to
10 mph. 
.TUESDAY...Partly cloudy. A chance of showers. Lows in the mid
40s. Highs in the upper 60s. Minimum RH 46 percent. Southeast
winds 5 to 10 mph. 
.WEDNESDAY...Partly cloudy. A chance of showers. Lows in the
upper 40s. Highs around 70. Minimum RH 47 percent. Northwest
winds 5 to 10 mph. 

$$

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

$$

Radar