283
FNUS73 KLMK 011040
FWSLMK

Spot Forecast for HQ Rx burn...OKNP
National Weather Service Louisville KY
640 AM EDT Tue Apr 1 2025

Forecast is based on ignition time of 1300 EDT on April 01.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION... Low clouds will not clear out of the area until
mid-late morning. Mixing heights will quickly improve once clouds
clear out. By the afternoon, mixing heights will be near or above
3500ft. Transport will will be out of the northeast and veer to
the southeast by the afternoon. Minimum RH values in the afternoon
will range between 35-45% with better mixing allowing drier air to
mix down.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Temperature.........50 at ignition...Max 59.
RH..................61 percent at ignition...Min 46 percent.
Wind (20 ft)........Winds east at 4 mph at ignition...otherwise
                    East winds 5 to 6 mph.
Mixing height.......2900 ft AGL at ignition...otherwise 3500 ft
                    AGL.
Transport winds.....East 9 to 12 mph.
Smoke dispersal.....Poor /23100 knot-ft/ at ignition.
                    Max...marginal /34800 knot-ft/.
LVORI...............1.
ADI.................33 to 49.

TIME (EDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........43  27  27  27  27
Weather cov.....
Weather type....
Tstm cov........
Temp............50  53  56  57  58
RH..............61  57  51  51  49
20 FT wind dir..E   E   E   E   E
20 FT wind spd..4   4   5   5   5
20 FT wind gust.7   7   8   8   8
Mix hgt (kft)...2.9 3.0 3.3 3.5 3.3
Transp wind dir.E   E   E   E   E
Transp wind spd.9   10  10  12  12
LVORI...........1   1   1   1   1
ADI.............33  38  42  49  47
SDspl kt-ft/100023  27  30  35  33

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (60-70 percent).
Temperature.........Min 47.
RH..................Max 75 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph.
Mixing height.......200 ft AGL.
Transport winds.....Southeast 12 to 16 mph shifting to the south
                    around 16 mph early in the morning.
Smoke dispersal.....Poor (2500 knot-ft).
LVORI...............2.
ADI.................5 to 36.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........39  39  29  33  34  37  34  38  49  43  65  66
Weather cov.....
Weather type....
Tstm cov........
Temp............59  57  55  51  50  49  48  47  48  48  49  51
RH..............47  51  55  61  63  63  65  68  65  68  68  68
20 FT wind dir..E   E   E   E   E   E   SE  SE  SE  SE  SE  S
20 FT wind spd..5   4   4   4   5   6   6   6   6   6   7   7
20 FT wind gust.8   7   7   8   9   10  11  11  11  11  12  13
Mix hgt (kft)...2.5 1.4 0.4 0.2 0.3 0.5 0.5 0.5 0.5 0.5 0.5 0.6
Transp wind dir.E   E   E   E   E   E   SE  SE  SE  SE  S   S
Transp wind spd.12  12  12  13  14  15  16  16  16  16  16  16
LVORI...........1   2   3   3   3   3   3   3   3   3   3   3
ADI.............36  5   5   6   6   10  11  11  14  14  14  14
SDspl kt-ft/100025  14  5   3   4   6   7   7   7   7   7   8

.WEDNESDAY...

Sky/weather.........Partly sunny (55-65 percent). Chance of rain
                    showers early in the morning. Slight chance of
                    thunderstorms early in the morning. Slight
                    chance of rain showers late in the afternoon.
Temperature.........Max 80.
RH..................Min 56 percent.
Wind (20 ft)........South winds 9 to 18 mph. Gusts up to 30 mph
                    increasing to 43 mph in the late morning and
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms early in the morning.
Mixing height.......4600 ft AGL.
Transport winds.....South 16 to 23 mph increasing to 37 to 46 mph.
Smoke dispersal.....Poor (8100 knot-ft) early in the morning
                    increasing to excellent (100200 knot-ft) in the
                    afternoon increasing to excellent (118300
                    knot-ft) in the afternoon.
LVORI...............2.
ADI.................14 early in the morning increasing to 135 in
                    the afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........71  63  75  66  43  49  56  59  62  65  69  72
Weather cov.....        CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH
Weather type....        RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........        SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH
Temp............53  55  57  61  66  69  73  76  78  79  79  79
RH..............71  72  75  72  68  66  64  62  60  58  58  58
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..8   10  10  11  13  14  15  15  16  16  16  16
20 FT wind gust.15  16  17  21  25  27  28  28  29  30  30  29
Mix hgt (kft)...0.6 0.7 0.9 1.2 1.6 2.2 3.0 3.9 4.5 4.6 4.3 3.7
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.16  17  20  23  28  32  38  44  46  45  41  37
LVORI...........3   3   3   3   1   1   1   1   1   1   1   1
ADI.............14  19  23  32  47  65  91  120 135 133 118 98
SDspl kt-ft/10008   10  15  23  38  60  100 150 182 180 154 118

$$
Forecaster...SRW
Requested by...Sandra Elliott
Type of request...PRESCRIBED
.TAG 2508448.1/LMK
.DELDT 04/01/25
.FormatterVersion 2.0.0
.EMAIL sandra.elliott@ky.gov