373
FNUS73 KJKL 191028
FWSJKL
SPOT FORECAST FOR ALUM FIRE...USFS
NATIONAL WEATHER SERVICE JACKSON KY
628 AM EDT SUN APR 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..VERY LOW RELATIVE HUMIDITY AND GUSTY WINDS THIS AFTERNOON
DISCUSSION
MUCH COOLER AND SOMEWHAT BRISK WEATHER IS IN STORE
FOR TODAY BEHIND A COLD FRONT. WINDS WILL GUST AROUND 20 MPH THIS
AFTERNOON. HEATING OF THE NEW AIR MASS WILL RESULT IN LOW RELATIVE
HUMIDITY EACH AFTERNOON THROUGH FRIDAY, WITH READINGS PROBABLY
BELOW 25% TODAY. WARMER TEMPERATURES WILL MAKE A GRADUAL COMEBACK
DURING THE WEEK. THE NEXT SHOT AT SIGNIFICANT RAIN DOESN'T COME
UNTIL WE MOVE INTO NEXT WEEKEND.
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING
SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH. GUSTS UP TO 22 MPH
IN THE AFTERNOON.
RIDGETOP WIND.......NORTHWEST 6 TO 9 MPH.
MIXING HEIGHT.......7800 FT AGL.
TRANSPORT WINDS.....NORTH 9 TO 16 MPH SHIFTING TO THE NORTHWEST 20
TO 22 MPH LATE IN THE MORNING.
VENT RATE...........POOR (6200 KNOT-FT) INCREASING TO EXCELLENT
(148100 KNOT-FT).
LVORI...............3.
ADI.................7 EARLY IN THE MORNING INCREASING TO 177 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 43 21 14 8 2 3 4 5 6 8 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............43 42 42 46 49 51 55 57 58 61 61 62
RH..............86 86 82 60 48 37 31 28 26 24 25 25
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..6 6 6 6 6 6 7 8 8 8 8 8
20 FT WIND GUST.8 8 8 8 13 16 18 21 22 22 22 22
RIDGE WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
RIDGE WIND SPD..6 6 6 6 6 6 8 9 9 9 9 9
MIX HGT (KFT)...0.7 1.1 1.4 2.3 3.2 4.1 5.0 6.0 6.9 7.2 7.5 7.8
TRANSP WIND DIR.NW N N N N N NW NW NW NW NW NW
TRANSP WIND SPD.10 10 9 13 16 20 22 22 22 21 21 22
LVORI...........5 4 3 1 1 1 1 1 1 1 1 1
ADI.............7 14 17 38 66 101 127 145 162 159 163 177
VRATE KT-FT/1K..6 10 12 26 45 70 96 113 131 130 135 148
VENTRATE CAT....PR PR PR PR FR GD GD VGD VGD VGD VGD VGD
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
RIDGETOP WIND.......WEST 5 TO 8 MPH SHIFTING TO THE SOUTHWEST
AROUND 5 MPH OVERNIGHT, THEN SHIFTING TO THE
NORTHWEST AFTER 3 AM.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 22 MPH BECOMING NORTH AROUND 5
MPH.
VENT RATE...........EXCELLENT (110700 KNOT-FT) DECREASING TO POOR
(300 KNOT-FT).
LVORI...............2.
ADI.................143 EARLY IN THE EVENING DECREASING TO 2 LATE
IN THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 3 1 2 2 1 1 2 3 15 29 42
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 10 10
TEMP............62 60 57 54 52 50 47 45 45 44 43 41
RH..............26 28 33 38 43 48 53 58 58 60 62 70
20 FT WIND DIR..W W W W W SW SW SW SW W NW N
20 FT WIND SPD..7 6 6 5 5 3 3 3 3 3 3 3
20 FT WIND GUST.17 13 8 7 6 6 6 6 6 6 6 6
RIDGE WIND DIR..W W W W W SW SW SW SW W NW N
RIDGE WIND SPD..8 6 6 5 5 5 5 5 5 5 5 5
MIX HGT (KFT)...5.8 3.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.NW W W W W W W W W W NW N
TRANSP WIND SPD.22 15 8 7 6 6 6 7 7 6 6 5
LVORI...........1 2 2 2 2 2 2 3 3 3 3 3
ADI.............143 7 4 3 3 3 3 3 3 3 3 2
VRATE KT-FT/1K..111 38 1 1 0 0 0 1 1 0 0 0
VENTRATE CAT....VGD PR PR PR PR PR PR PR PR PR PR PR
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH IN
THE AFTERNOON.
RIDGETOP WIND.......NORTH 5 TO 6 MPH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 10 MPH SHIFTING TO THE NORTHWEST 13
TO 16 MPH IN THE AFTERNOON.
VENT RATE...........POOR (1600 KNOT-FT) INCREASING TO GOOD (66100
KNOT-FT).
LVORI...............3.
ADI.................2 EARLY IN THE MORNING INCREASING TO 103 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 60 69 67 64 61 49 37 25 22 19 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 10 0 0 0 0 0
TEMP............40 39 41 44 47 52 54 56 58 61 62 62
RH..............73 79 79 68 60 48 45 42 39 35 32 32
20 FT WIND DIR..N N N N N N N NW NW NW NW NW
20 FT WIND SPD..3 3 3 3 5 5 5 6 6 6 6 6
20 FT WIND GUST.6 6 6 7 9 10 12 13 14 13 13 12
RIDGE WIND DIR..N N N N N N N NW NW NW NW NW
RIDGE WIND SPD..5 5 5 5 5 5 5 6 6 6 6 6
MIX HGT (KFT)...0.4 0.7 1.1 1.6 2.2 2.8 3.5 4.3 5.0 5.2 5.3 5.5
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW NW
TRANSP WIND SPD.5 3 3 6 8 10 13 15 16 16 15 14
LVORI...........3 4 4 3 2 1 1 1 1 1 1 1
ADI.............2 4 5 12 23 36 57 81 100 103 99 94
VRATE KT-FT/1K..2 2 3 8 16 25 39 55 70 72 69 66
VENTRATE CAT....PR PR PR PR PR PR PR FR GD GD GD GD
FORECASTER...HAL
REQUESTED BY...MARIAH HEYE
TYPE OF REQUEST...WILDFIRE
.TAG 2610373.4/JKL
.DELDT 04/19/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.TAPLEY@USDA.GOV,KYKIC@FIRENET.GOV,2026.ALUM@FIRENET.GOV,MARIAH.HEYE@USDA.GOV,ROBERT_VICK@NPS.GOV
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