876
FNUS73 KPAH 211238
FWSPAH

Spot Forecast for Area 13 Bunkers...USFWS
National Weather Service Paducah KY
738 AM CDT Wed May 21 2025

Forecast is based on ignition time of 1100 CDT on May 21.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Dry conditions and deep mixing are expected today through
Friday, with good to very good dispersion. Mixing heights today
will increase to around 5000 feet, and to around 6000 feet
Thursday. Winds are expected to remain out of the west throughout
the day at the burn site. Wet conditions are expected for the
weekend and into next Monday.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Temperature.........68 at ignition...Max 75.
RH..................54 percent at ignition...Min 43 percent.
Wind (20 ft)........
 Slope/valley.......Winds west at 12 mph at ignition...otherwise
                    West winds 8 to 12 mph.
Mixing height.......3800 ft AGL at ignition...otherwise 5100 ft
                    AGL.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....Good /90600 knot-ft/ at ignition. Max...very
                    good /124700 knot-ft/.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR MCR MCR CLR MCR CLR
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Temp............68  70  71  73  73  73  75
RH..............54  49  47  46  46  46  43
20 FT wind dir..W   W   W   W   W   W   W
20 FT wind spd..12  13  14  14  13  13  10
20 FT wind gust.22  23  24  24  23  23  21
Mix hgt (kft)...3.8 4.0 4.4 4.7 5.0 5.1 4.1
Transp wind dir.W   W   W   W   W   W   W
Transp wind spd.28  29  30  30  29  28  25
Vrate kt-ft/1K..91  100 115 124 125 122 90
Ventrate Cat....GD  GD  VGD VGD VGD VGD GD

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent).
CWR.................0 percent.
Temperature.........Min 54.
RH..................Max 86 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 7 mph with gusts to around 20
                    mph early in the evening becoming light.
Mixing height.......500 ft AGL.
Transport winds.....West 12 to 20 mph shifting to the northwest 8
                    to 9 mph after 3 am.
Smoke dispersal.....Poor (3500 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MCR MCR MCR MCR PC  PC  PC  PC  PC  PC  PC  PC
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............73  72  69  66  64  63  62  61  60  58  56  56
RH..............46  49  55  61  65  67  67  70  72  80  83  83
20 FT wind dir..W   W   W   W   W   W   NW  W   NW  W   W   W
20 FT wind spd..9   7   6   5   5   3   3   3   3   3   3   3
20 FT wind gust.20  15  13  12  10  10  9   9   8   9   9   9
Mix hgt (kft)...1.9 0.8 0.6 0.5 0.5 0.5 0.5 0.6 0.5 0.5 0.5 0.5
Transp wind dir.W   W   W   W   W   NW  NW  W   NW  NW  NW  W
Transp wind spd.20  14  13  12  13  13  12  13  12  9   8   9
Vrate kt-ft/1K..33  9   6   5   6   6   5   6   5   4   4   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.THURSDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Temperature.........Max 71.
RH..................Min 45 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest 5 to 10 mph
                    early in the morning.
Mixing height.......6000 ft AGL.
Transport winds.....West 8 to 14 mph increasing to northwest 18 to
                    26 mph in the late morning and afternoon.
Smoke dispersal.....Poor (3700 knot-ft) early in the morning
                    increasing to good (94700 knot-ft) in the
                    afternoon increasing to good (77800 knot-ft)
                    early in the morning increasing to very good
                    (133800 knot-ft) in the afternoon in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR CLR MCR CLR MCR CLR 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............56  55  58  60  64  65  66  68  69  70  70  69
RH..............80  86  77  69  58  56  54  49  47  45  45  47
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   5   6   7   9   10  12  13  13  13  12  10
20 FT wind gust.9   12  13  15  18  21  22  22  23  23  22  21
Mix hgt (kft)...0.5 0.8 1.7 2.8 3.8 4.3 4.7 5.0 5.6 6.0 5.9 4.4
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.8   12  14  18  22  25  26  25  25  25  24  21
Vrate kt-ft/1K..4   8   20  45  72  95  106 110 124 134 123 78
Ventrate Cat....PR  PR  PR  FR  GD  GD  VGD VGD VGD VGD VGD GD

$$
Forecaster...COOLEY
Requested by...Jerry White
Type of request...PRESCRIBED
.TAG 2514411.0/PAH
.DELDT 05/21/25
.FormatterVersion 2.0.0
.EMAIL Jerry_white@fws.gov