Spot Forecast Issued by NWS Jackson, KY
000
FNUS73 KJKL 280958
FWSJKL
Spot Forecast for Shop Br RX...USFS
National Weather Service Jackson KY
558 AM EDT Thu Mar 28 2024
Forecast is based on ignition time of 0800 EDT on March 28.
If conditions become unrepresentative...contact the National Weather
Service.
Please contact our office if you have questions
or concerns with this forecast.
.DISCUSSION...Drier air aloft will mix down this afternoon and
Friday afternoon, allowing for minimum relative humidity values
in the 20 to 25 percent range during peak heating. North winds
will gust to around 15 mph this afternoon. These winds will
back to the northwest later in the day. Dry weather
can be expected through the end of the work week, as high
pressure passes by to our south. Rain chances return this
weekend and early next week, along with above normal temperatures.
.TODAY...
Sky/weather.........Sunny (15-25 percent). Patchy frost early in
the morning. Patchy fog early in the morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 58.
Min humidity........25 percent.
Dewpoint............30 decreasing to 26 in the afternoon.
Min apparent temp...29.
Wind (20 ft)........Light north winds increasing to 5 to 7 mph, with
gusts up to 15 mph in the afternoon. The winds will
become northwest late in the day.
Ridgetop wind.......North 5 to 10 mph, with gusts up to 15 mph in
the afternoon. The winds will become northwest late
in the day.
Mixing height.......5700 ft AGL.
Transport winds.....North 6 to 15 mph shifting to the northwest 15
to 16 mph late in the afternoon.
Vent Rate...........Poor (1500 knot-ft) increasing to good (68600
knot-ft).
LVORI...............5.
ADI.................3 early in the morning increasing to 92 in the
afternoon.
Haines Index........3 to 5 or very low to moderate potential for
large plume dominated fire growth.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 29 24 19 12 6 1 0 1 2
Weather cov.....PTY
Weather type....FOG
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1
Temp............32 35 40 44 49 52 54 57 58 58
Dewpoint........32 31 31 29 27 26 25 26 25 25
RH..............100 85 70 55 42 36 32 30 28 28
Aparnt tmp (F)..29 31 36 40 46 52 54 57 58 58
20 FT wind dir..N N N N N N N N NW NW
20 FT wind spd..3 5 6 7 7 8 8 8 9 9
20 FT wind gust.7 8 10 12 13 13 13 14 15 15
Ridge wind dir..N N N N N N N N NW NW
Ridge wind spd..5 6 7 8 8 9 9 9 10 10
Mix hgt (kft)...0.4 1.0 2.1 2.7 3.2 4.1 4.6 4.9 5.4 5.7
Transp wind dir.N N N N N N N N N NW
Transp wind spd.7 8 9 10 12 14 15 16 16 15
LVORI...........8 4 3 1 1 1 1 1 1 1
ADI.............7 10 25 35 45 68 81 92 69 65
Haines index....5 5 4 4 4 4 4 4 3 3
Vrate kt-ft/1K..2 7 17 24 32 50 60 69 76 74
Ventrate Cat....PR PR PR PR PR FR GD GD GD GD
.TONIGHT...
Sky/weather.........Clear (0-10 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 33.
Max humidity........90 percent.
Dewpoint............26 increasing to 29 late in the evening.
Min apparent temp...29.
Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening
becoming light.
Ridgetop wind.......Northwest 6 to 9 mph shifting to the southwest
5 to 6 mph in the late evening and overnight.
Mixing height.......100 ft AGL.
Transport winds.....West 3 to 12 mph shifting to the southwest
around 5 mph late in the evening.
Vent Rate...........Fair (44500 knot-ft) decreasing to poor (500
knot-ft).
LVORI...............4.
ADI.................60 early in the evening decreasing to 2 late in
the night.
Haines Index........3 to 5 or very low to moderate potential for
large plume dominated fire growth.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........3 3 3 3 5 3
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............58 51 43 39 36 33
Dewpoint........24 26 28 29 29 30
RH..............27 37 55 67 75 89
Aparnt tmp (F)..58 51 40 37 33 29
20 ft wind......NW 8 NW 6 W 5 SW 3 SW 3 SW 5
20 ft wind gust.13 8 6 6 6 7
Ridgetop wind...NW 9 NW 7 W 6 SW 5 SW 5 SW 6
Mix hgt (ft)....4400 700 300 100 100 100
Transport wind..NW 12 W 3 W 3 W 5 SW 5 SW 5
LVORI...........1 2 3 3 4 6
ADI.............60 2 2 2 2 2
Haines index....3 3 4 4 5 5
Vrate kt-ft/1K..45 2 1 1 1 1
Ventrate Cat....FAIR POOR POOR POOR POOR POOR
.FRIDAY...
Sky/weather.........Sunny (5-15 percent). Patchy frost early in the
morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........22 percent.
Dewpoint............31 increasing to 34 in the late morning and
early afternoon, then decreasing to 29 late in
the afternoon.
Min apparent temp...30.
Wind (20 ft)........Light southwest winds becoming west 5 to 7 mph with
gusts to around 20 mph in the late morning and
afternoon.
Ridgetop wind.......Light southwest winds becoming west at 6 to 9 mph,
with gusts to around 20 mph in the late morning
and afternoon.
Mixing height.......5900 ft AGL.
Transport winds.....Southwest 5 to 12 mph increasing to west 17 to
22 mph in the late morning and afternoon.
Vent Rate...........Poor (500 knot-ft) increasing to good
(87200 knot-ft) in the afternoon.
LVORI...............4.
ADI.................2 early in the morning increasing to 121 in the
afternoon.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (EDT) 6 AM 9 AM NOON 3 PM
Sky (%).........3 3 3 9
Weather cov.....PATCHY
Weather type....FROST NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0
LAL.............1 1 1 1
Temp............33 38 58 69
Dewpoint........30 33 35 30
RH..............89 82 42 23
Aparnt tmp (F)..30 34 58 69
20 FT wind......SW 3G9 SW 5G12 W 8G16 W 8G20
Ridgetop wind...SW 5 SW 6 W 9 W 9
Mix hgt (ft)....100 800 3500 5700
Transport wind..SW 5 W 12 W 22 W 18
LVORI...........6 4 1 1
ADI.............2 12 93 119
Haines index....5 5 4 5
Vrate kt-ft/1K..1 8 66 92
Ventrate Cat....POOR POOR GOOD GOOD
$$
Forecaster...GEOGERIAN
Requested by...Michael Tapley
Type of request...PRESCRIBED
.TAG 2408595.0/JKL
.DELDT 03/27/24
.FormatterVersion 2.0.0
.EMAIL michael.tapley@usda.gov