027
FNUS73 KPAH 081423
FWSPAH

Spot Forecast for CHS Piles...USFWS
National Weather Service Paducah KY
823 AM CST Mon Dec 8 2025

Forecast is based on ignition time of 1000 CST on December 08.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Mixing heights will be sufficient for a burn today, but north
winds will be weakening in the afternoon, so poor smoke
dispersion is expected. Winds tonight will start out light and
then increase from the south overnight. Mixing heights will be
marginal Tuesday, but south winds 10 to 15 mph will lead to a few
hours of fair dispersion in the afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Temperature.........31 at ignition...Max 37.
RH..................72 percent at ignition...Min 52 percent.
Wind (20 ft)........
 Slope/valley.......Winds north at 6 mph at ignition...otherwise
                    North winds around 5 mph late in the morning
                    becoming light.
Mixing height.......2000 ft AGL at ignition...otherwise 2800 ft
                    AGL.
Transport winds.....Northwest 5 to 10 mph.
Smoke dispersal.....Poor /18200 knot-ft/ at ignition. Max...poor
                    /23900 knot-ft/.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0
Temp............31  32  35  36  37  37  36  33
RH..............72  66  61  56  54  54  54  63
20 FT wind dir..N   N   N   NW  NW  NW  NW  N
20 FT wind spd..6   6   6   6   5   3   2   1
20 FT wind gust.12  10  10  9   8   7   5   3
Mix hgt (kft)...2.0 2.2 2.4 2.5 2.8 2.7 2.0 1.1
Transp wind dir.N   N   N   NW  NW  NW  NW  NW
Transp wind spd.10  9   9   9   9   10  7   5
Vrate kt-ft/1K..18  17  19  20  22  24  12  5
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (40-50 percent).
CWR.................0 percent.
Temperature.........Min 26.
RH..................Max 96 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming south 5 to 7 mph
                    overnight.
Mixing height.......400 ft AGL.
Transport winds.....North around 3 mph shifting to the south in the
                    evening, then increasing to 12 to 21 mph late
                    in the evening.
Smoke dispersal.....Poor (800 knot-ft).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MCR MCR MCR CLR MCR MCR PC  PC  MC  PC  MC  PC
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............30  29  27  26  26  26  26  27  28  28  29  30
RH..............72  75  81  85  88  85  85  81  81  96  92  88
20 FT wind dir..N   N   SE  S   S   S   S   S   S   S   SW  SW
20 FT wind spd..0   0   1   1   2   2   3   5   6   7   8   10
20 FT wind gust.2   2   3   3   6   7   8   10  12  14  15  17
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.6 0.6 0.8 0.8
Transp wind dir.N   SE  S   S   S   S   S   S   S   SW  SW  SW
Transp wind spd.3   2   5   7   8   12  13  14  15  16  20  21
Vrate kt-ft/1K..1   1   2   2   3   4   5   5   7   8   14  14
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TUESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Temperature.........Max 49.
RH..................Min 61 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 8 to 12 mph.
Mixing height.......1900 ft AGL.
Transport winds.....Southwest 20 to 26 mph.
Smoke dispersal.....Poor (11200 knot-ft) early in the morning
                    increasing to fair (44100 knot-ft) in the
                    afternoon.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  MCR MCR MCR MCR MCR MCR MCR PC  PC
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............30  30  34  36  39  43  46  48  49  49  48  46
RH..............88  92  85  82  79  70  65  63  63  63  65  71
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  S
20 FT wind spd..10  12  13  13  13  13  13  13  14  14  14  14
20 FT wind gust.18  20  20  20  20  21  21  21  21  21  21  22
Mix hgt (kft)...0.7 0.7 1.0 1.3 1.4 1.8 1.9 1.9 1.9 1.8 1.5 1.1
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.20  20  23  25  23  24  24  26  25  23  22  21
Vrate kt-ft/1K..11  13  21  28  28  38  40  44  42  36  28  19
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  FR  FR  PR  PR  PR

$$
Forecaster...SPAETH
Requested by...Benjamin Schmall
Type of request...PRESCRIBED
.TAG 2527168.0/PAH
.DELDT 12/08/25
.FormatterVersion 2.0.0
.EMAIL benjamin_schmall@fws.gov