347
FNUS74 KHUN 011121
FWSHUN
SPOT FORECAST FOR PAYNE DEMO/MILLE CREEK...USFS
NATIONAL WEATHER SERVICE HUNTSVILLE AL
521 AM CST SUN MAR 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON MARCH 01.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM AND DRY CONDITIONS TODAY, WITH RH VALUES DROPPING TO AROUND
32 PERCENT IN THE AFTERNOON. DESPITE THE DRY CONDITIONS, WINDS WILL
BE EXTREMELY LIGHT AND PREDOMINANTLY OUT OF THE SOUTHWEST. MIXING
HEIGHTS WILL RISE FROM AROUND 800 FT AT IGNITION TO AROUND 5400 FT
BY THE AFTERNOON. DESPITE THESE HIGHER HEIGHTS, THE WEAK 20 FT WINDS
AND TRANSPORT WINDS COULD LIMIT DISPERSIONS SOMEWHAT.
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
SUNNY (50-60 PERCENT).
TEMPERATURE.........61 AT IGNITION...MAX 76.
RH..................58 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 1 MPH AT
IGNITION...OTHERWISE LIGHT WINDS.
MIXING HEIGHT.......800 FT AGL AT IGNITION...OTHERWISE 5400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 7 MPH SHIFTING TO THE NORTHWEST
2 TO 6 MPH IN THE AFTERNOON, THEN SHIFTING TO
THE EAST AROUND 3 MPH LATE IN THE AFTERNOON.
LVORI...............3.
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 42 59 65 39 49 65 62 67
WEATHER COV.....
WEATHER TYPE....
TEMP............61 67 71 73 75 76 76 74 72
RH..............58 47 39 35 33 31 31 33 37
20 FT WIND DIR..210 230 240 270 280 290 320 350 050
20 FT WIND SPD..1 2 2 2 2 2 2 1 1
20 FT WIND GUST.6 7 7 7 7 6 7 7 7
MIX HGT (KFT)...0.8 2.0 3.4 4.6 5.0 5.2 5.4 3.9 1.8
TRANSP WIND DIR.240 260 270 290 290 300 310 330 070
TRANSP WIND SPD.7 7 7 6 6 5 3 2 3
DISPERSION IDX..3 3 24 23 33 27 15 8 8
LVORI...........2 2 2 2 2 2 2 2 2
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
TEMPERATURE.........MIN 53.
RH..................MAX 82 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 7 MPH SHIFTING TO THE SOUTHEAST 8 TO
10 MPH OVERNIGHT.
LVORI...............4.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........62 63 71 55 60 43 56 67 79 83 83 68
WEATHER COV.....
WEATHER TYPE....
TEMP............68 63 61 59 58 57 56 55 55 55 55 54
RH..............47 56 62 64 69 72 72 74 77 78 78 81
20 FT WIND DIR..070 080 060 060 070 070 100 110 110 110 110 130
20 FT WIND SPD..1 1 1 1 1 1 1 1 1 1 1 1
20 FT WIND GUST.
MIX HGT (KFT)...0.5 0.5 0.6 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.070 100 040 040 090 120 140 140 150 160 160 180
TRANSP WIND SPD.5 7 6 5 6 7 8 9 10 10 10 9
DISPERSION IDX..0 0 2 3 3 5 4 4 5 5 5 4
LVORI...........3 3 3 3 3 3 3 3 3 4 4 4
MONDAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT).
TEMPERATURE.........MAX 75.
RH..................MIN 37 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE
LATE MORNING AND AFTERNOON, THEN BECOMING LIGHT
LATE IN THE AFTERNOON.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH INCREASING TO 13 TO 18 MPH IN
THE AFTERNOON.
LVORI...............3.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 74 76 78 71 65 58 60 63 65 63 62
WEATHER COV.....
WEATHER TYPE....
TEMP............53 55 57 61 65 69 72 74 75 75 73 71
RH..............82 81 76 67 58 50 43 40 38 37 38 41
20 FT WIND DIR..130 140 150 160 160 170 170 170 170 170 170 160
20 FT WIND SPD..2 2 2 3 5 5 6 6 6 6 5 3
20 FT WIND GUST. 3 3 13 14 14 14 14 14 14 13 12
MIX HGT (KFT)...0.6 0.7 0.9 1.2 1.7 2.3 3.0 3.9 4.5 4.6 3.6 2.2
TRANSP WIND DIR.170 160 170 180 180 190 190 190 190 190 180 170
TRANSP WIND SPD.9 8 9 13 15 16 17 18 18 18 16 13
DISPERSION IDX..4 4 4 6 10 34 41 50 54 55 42 33
LVORI...........5 5 5 2 2 2 1 1 1 1 1 1
FORECASTER...PRITCHETT
REQUESTED BY...CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 2604361.0/HUN
.DELDT 03/01/26
.FORMATTERVERSION 2.0.0
.EMAIL KERRY.CLARK@USDA.GOV,GARY.C.MOORE@USDA.GOV
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