481
FNUS73 KLMK 311455
FWSLMK

Spot Forecast for Perryville Battlefield Units 14 16 17...Office of Kentucky Nature Preserves
National Weather Service Louisville KY
1055 AM EDT Mon Aug 31 2026

Forecast is based on ignition time of 1100 EDT on September 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION... Min RH values reach the upper 30s to low 40s with
light transport winds from the WSW near 6-8 knots. Mostly sunny
weather is expected with mixing heights reaching up to 6,000 ft.
RH values may drop lower due to the potential for greater
mixing in the afternoon. Dispersion will be poor at ignition
only reaching up to fair dispersal in the afternoon due to the
light transport winds.

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
Temperature.........89 at ignition...Max 95.
RH..................52 percent at ignition...Min 39 percent.
Wind (20 ft)........Winds southwest at 3 mph at
                    ignition...otherwise Light winds becoming
                    southwest around 5 mph late in the afternoon,
                    then becoming light late in the afternoon.
Mixing height.......3000 ft AGL at ignition...otherwise 6200 ft
                    AGL.
Transport winds.....West around 8 mph.
Smoke dispersal.....Poor /20700 knot-ft/ at ignition. Max...fair
                    /43200 knot-ft/.
LVORI...............1.
ADI.................31 to 61.

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   9   13  16  26  25  14
Weather cov.....
Weather type....
Tstm cov........
Temp............89  91  93  93  94  94  95
RH..............52  47  43  43  41  40  39
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..3   3   4   4   4   4   3
20 FT wind gust.5   6   6   6   6   6   6
Mix hgt (kft)...3.0 4.0 5.0 5.7 6.2 6.2 5.6
Transp wind dir.W   W   W   W   W   W   W
Transp wind spd.8   8   8   8   8   8   8
LVORI...........1   1   1   1   1   1   1
ADI.............31  41  50  56  60  61  55
SDspl kt-ft/100021  28  35  40  43  43  39

.TUESDAY NIGHT...

Sky/weather.........Clear (0-5 percent).
Temperature.........Min 73.
RH..................Max 81 percent.
Wind (20 ft)........Light winds.
Mixing height.......0 ft AGL.
Transport winds.....Southwest 6 to 7 mph.
Smoke dispersal.....Poor (0 knot-ft).
LVORI...............3.
ADI.................3 to 35.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3   1   1   0   1   2   2   1   1   1   0   0
Weather cov.....
Weather type....
Tstm cov........
Temp............93  92  88  82  79  78  77  76  76  76  75  75
RH..............43  46  52  63  69  71  74  74  74  74  76  76
20 FT wind dir..SW  SW  SW  S   S   S   S   S   S   S   S   S
20 FT wind spd..3   2   1   1   1   1   1   1   1   1   1   1
20 FT wind gust.4   4   2           2   2   2   2   2   2   2
Mix hgt (kft)...4.0 2.0 0.4 0.1 0.1 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.7   7   6   6   7   7   7   7   7   7   6   6
LVORI...........1   2   2   3   3   3   3   3   3   3   4   4
ADI.............35  3   3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100024  12  2   0   1   3   3   3   3   3   2   2

.WEDNESDAY...

Sky/weather.........Sunny (5-15 percent).
Temperature.........Max 97.
RH..................Min 40 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph
                    late in the afternoon.
Mixing height.......7400 ft AGL.
Transport winds.....Southwest 6 to 8 mph.
Smoke dispersal.....Poor (900 knot-ft) early in the morning
                    increasing to good (51500 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................3 early in the morning increasing to 70 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0   0   0   0   1   1   7   12  18  15  12  9
Weather cov.....
Weather type....
Tstm cov........
Temp............74  73  74  79  85  90  93  94  95  96  96  96
RH..............79  81  79  69  59  52  47  46  43  42  40  40
20 FT wind dir..S   S   S   S   SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..1   1   1   2   2   2   3   3   4   4   4   4
20 FT wind gust.2   2   2       4   4   5   6   6   6   6   6
Mix hgt (kft)...0.3 0.2 0.4 1.1 2.1 3.2 4.5 5.8 6.7 7.3 7.4 6.7
Transp wind dir.SW  SW  S   SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.6   6   6   6   7   7   7   8   8   8   8   8
LVORI...........4   4   4   3   2   2   1   1   1   1   1   1
ADI.............3   6   6   8   18  29  39  58  65  70  70  65
SDspl kt-ft/10001   1   2   5   12  19  27  41  47  51  52  47

$$
Forecaster...BKF
Requested by...Heidi Braunreiter
Type of request...PRESCRIBED
.TAG 2620980.0/LMK
.DELDT 08/31/26
.FormatterVersion 2.0.0
.EMAIL heidi.braunreiter@ky.gov