Spot Forecast
Issued by NWS Jackson, KY

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000
FNUS73 KJKL 282027
FWSJKL

Spot Forecast for Curd 6-9 Rx...USFS
National Weather Service Jackson KY
427 PM EDT Thu Mar 28 2024

Forecast is based on ignition time of 0600 EDT on March 29.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...Dry weather is forecast to persist through the
remainder of the day and into Friday. Good to excellent relative
humidity recovery is expected tonight at the site. Fog and
widespread frost will be possible Friday morning. Temperatures
Friday are expected to climb to around 69 with a minimum relative
humidity of 21 percent. Light and variable winds in the morning will
increase and shift to the west through the late morning. Sustained
westerly winds around 5 to 9 with gusts around of 13 mph is possible
in the afternoon. Increasing clouds are expected for late Friday night
into Saturday as an approaching system brings increasing chances of
rain on Saturday.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent). Widespread frost and
                    patchy fog early in the morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 69.
Min humidity........23 percent.
Dewpoint............33 increasing to 34 late in the morning, then
                    decreasing to 30 late in the afternoon.
Min apparent temp...32.
Wind (20 ft)........Light winds becoming west 5 to 7 mph in the
                    late morning and afternoon with gusts up to
around 13 mph.
Ridgetop wind.......West 3 to 9 mph.
Mixing height.......6400 ft AGL.
Transport winds.....West 8 to 16 mph increasing to 17 to 21 mph
                    late in the morning.
Vent Rate...........Poor increasing to excellent in the afternoon.
LVORI...............5.
ADI.................5 early in the morning increasing to 138 in the
                    afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   3   4   4   4   4   3   2   2   3   4   6
Weather cov.....WID WID WID
Weather type....FST FST FST
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............32  31  31  39  48  56  59  63  66  67  68  69
Dewpoint........32  31  31  33  35  36  35  33  32  31  30  30
RH..............100 100 100 79  60  47  40  32  28  26  24  23
Aparnt tmp (F)..29  31  31  37  45  56  59  63  66  67  68  69
20 FT wind dir..SW  SW  SW  SW  W   W   W   W   W   W   W   W
20 FT wind spd..3   2   2   3   6   7   8   8   8   8   8   8
20 FT wind gust.5   3   3   6   8   10  12  12  13  13  13  13
Ridge wind dir..SW  SW  SW  SW  W   W   W   W   W   W   W   W
Ridge wind spd..5   3   3   5   7   8   9   9   9   9   9   9
Mix hgt (kft)...0.5 0.5 0.3 0.6 1.5 2.6 3.8 4.8 5.9 6.2 6.4 6.2
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.12  12  8   12  16  20  20  21  20  20  20  17
LVORI...........9   5   8   4   1   1   1   1   1   1   1   1
ADI.............5   12  9   12  32  65  89  115 128 135 138 118
Haines index....5   5   5   5   5   5   5   5   4   4   4   4
Vrate kt-ft/1K..5   5   2   6   21  44  64  86  100 106 109 93
Ventrate Cat....PR  PR  PR  PR  PR  FR  GD  GD  GD  VGD VGD GD

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 49.
Max humidity........58 percent.
Dewpoint............32 increasing to 35 overnight.
Max apparent temp...67.
Wind (20 ft)........Southwest winds 5 to 6 mph.
Ridgetop wind.......Southwest 6 to 8 mph.
Mixing height.......300 ft AGL.
Transport winds.....West 12 to 17 mph shifting to the southwest 7
                    to 12 mph early in the evening.
Vent Rate...........Good decreasing to poor.
LVORI...............2.
ADI.................112 early in the evening decreasing to 3 late
                    in the night.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........7      9      19     34     54     49
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............67     62     55     51     49     50
Dewpoint........30     32     32     33     35     35
RH..............25     32     41     50     58     56
Aparnt tmp (F)..67     62     55     51     47     47
20 ft wind......W 7    SW 5   SW 5   S 5    S 6    SW 7
20 ft wind gust.10     7      7      7      9      10
Ridgetop wind...W 8    SW 6   SW 6   S 6    S 7    SW 8
Mix hgt (ft)....5800   400    400    400    300    300
Transport wind..W 17   SW 7   SW 10  SW 12  SW 8   SW 8
LVORI...........1      2      2      2      3      3
ADI.............112    3      5      5      5      6
Haines index....4      5      5      5      5      5
Vrate kt-ft/1K..87     2      3      4      2      2
Ventrate Cat....GOOD   POOR   POOR   POOR   POOR   POOR

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent).
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 75.
Min humidity........31 percent.
Dewpoint............36 increasing to 44.
Max apparent temp...75.
Wind (20 ft)........Southwest winds 6 to 12 mph with gusts to
around 23 mph.
Ridgetop wind.......Southwest 8 to 15 mph.
Mixing height.......5400 ft AGL.
Transport winds.....Southwest 9 to 15 mph increasing to 20 to 26
                    mph in the late morning and afternoon.
Vent Rate...........Poor increasing to excellent.
LVORI...............2.
ADI.................6 early in the morning increasing to 83 in the
                    afternoon.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........49        47        44        40
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).0         10        10        10
LAL.............1         1         1         1
Temp............51        54        66        73
Dewpoint........35        38        43        45
RH..............54        54        43        37
Aparnt tmp (F)..51        54        66        73
20 FT wind......SW 7G12   SW 10G16  SW 13G23  SW 14G23
Ridgetop wind...SW 8      SW 12     SW 15     SW 15
Mix hgt (ft)....400       1300      3700      5300
Transport wind..SW 9      SW 15     SW 25     SW 25
LVORI...........2         2         1         1
ADI.............6         24        69        81
Haines index....5         5         5         3
Vrate kt-ft/1K..3         16        82        117
Ventrate Cat....POOR      POOR      GOOD      VYGD

$$
Forecaster...VORST
Requested by...Devin Parks
Type of request...PRESCRIBED
.TAG 2408644.0/JKL
.DELDT 03/28/24
.FormatterVersion 2.0.0
.EMAIL devin.parks@usda.gov


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