121
FNUS74 KMOB 221225
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 8359...USFS
NATIONAL WEATHER SERVICE MOBILE AL
625 AM CST SUN FEB 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 CST ON FEBRUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING
...HIGH DISPERSION INDEX AROUND 101 EXPECTED THIS AFTERNOON OVER THE
BURN AREA...
DISCUSSION
NO CHANCE FOR RAIN EITHER DAY. MINIMUM RELATIVE HUMIDITY
FALLS TO 16-20% FOR AROUND 5-6 HOURS THIS AFTERNOON AND TO AROUND 20-22%
FOR A FEW HOURS MONDAY AFTERNOON. STRONG NORTHERLY TO NORTHWESTERLY
TRANSPORT WINDS PERSIST TODAY WITH FREQUENT GUSTS OF 25-30 KNOTS THROUGH
THIS AFTERNOON. AFTERNOON DISPERSION WILL BE EXCELLENT TODAY AND GOOD ON
MONDAY.
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 16 MPH WITH GUSTS TO AROUND
33 MPH.
MIXING HEIGHT.......5100 FT AGL.
MIXING HEIGHT (M)...335-1554 METERS AGL.
TRANSPORT WINDS.....NORTH 22 TO 31 MPH INCREASING TO 30 TO 33 MPH
IN THE AFTERNOON.
TRANSPORT WINDS M/S.NORTH 13 TO 15 METERS/SECOND.
DISPERSION INDEX....30 INCREASING TO 97.
LVORI...............2.
STABILITY CLASS.....4.
TIME (CST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........2 1 2 2 4 5
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............43 48 54 56 57 55
RH..............65 46 27 20 16 19
20 FT WIND DIR..N N N NNW NNW NNW
20 FT WIND SPD..21 21 21 20 20 17
20 FT WIND GUST.28 31 32 33 32 26
MIX HGT (FT)....1100 3300 3900 4600 5100 5100
MIX HGT (M).....340 1010 1190 1400 1550 1550
TRANSP WIND DIR.N N N N NNW NNW
TRANSP WIND SPD.22 29 31 32 32 30
TRANS WIND DIR..N N N N NNW NNW
TRANS SPD (M/S).10 13 14 14 14 13
DISPERSION IDX..30 71 86 96 101 98
LVORI...........3 1 1 1 1 1
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........49 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 13 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING HEIGHT (M)...244-488 METERS AGL.
TRANSPORT WINDS.....NORTH 16 TO 20 MPH.
TRANSPORT WINDS M/S.NORTH 7 TO 9 METERS/SECOND.
DISPERSION INDEX....19 DECREASING TO 12 AFTER 3 AM.
LVORI...............2.
STABILITY CLASS.....4.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........4 4 7 3 3 1
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............49 46 43 42 40 36
RH..............25 38 43 43 42 45
20 FT WIND DIR..NNW NNW NNW NNW NNW NNW
20 FT WIND SPD..15 14 13 12 12 12
20 FT WIND GUST.22 22 21 20 20 20
MIX HGT (FT)....1600 1300 1600 1500 1200 900
MIX HGT (M).....490 400 490 460 370 270
TRANSP WIND DIR.NNW NNW NNW N N N
TRANSP WIND SPD.20 20 17 18 18 16
TRANS WIND DIR..NNW NNW NNW N N N
TRANS SPD (M/S).9 9 8 8 8 7
DISPERSION IDX..23 19 19 15 15 12
LVORI...........2 2 2 2 2 2
MONDAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........NORTH WINDS 8 TO 12 MPH.
MIXING HEIGHT.......4400 FT AGL.
MIXING HEIGHT (M)...213-1341 METERS AGL.
TRANSPORT WINDS.....NORTH 13 TO 21 MPH INCREASING TO 17 TO 24 MPH
IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS M/S.NORTH 7 TO 11 METERS/SECOND.
DISPERSION INDEX....14 INCREASING TO 36 EARLY IN THE MORNING, THEN
INCREASING TO 48 LATE IN THE MORNING INCREASING
TO 63 LATE IN THE MORNING INCREASING TO 70
INCREASING TO 79 LATE IN THE AFTERNOON
DECREASING TO 62.
LVORI...............2.
STABILITY CLASS.....3.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........0 3 2 3 3 3
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............34 36 44 50 52 51
RH..............49 42 28 21 20 21
20 FT WIND DIR..NNW NNW NNW NNW NNW NNW
20 FT WIND SPD..10 13 14 14 13 12
20 FT WIND GUST.18 21 22 22 22 20
MIX HGT (FT)....700 1700 3300 3900 4400 4200
MIX HGT (M).....210 520 1010 1190 1340 1280
TRANSP WIND DIR.N N N NNW NNW NNW
TRANSP WIND SPD.13 18 23 24 23 20
TRANS WIND DIR..N N N NNW NNW NNW
TRANS SPD (M/S).6 8 10 11 10 9
DISPERSION IDX..11 36 58 67 82 75
LVORI...........2 1 1 1 1 1
FORECASTER...7
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2602852.5/MOB
.DELDT 02/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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