293
FNUS74 KMOB 191013
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 8359 C-609...USFS
NATIONAL WEATHER SERVICE MOBILE AL
513 AM CDT THU MAR 19 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON MARCH 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 75 EXPECTED FRIDAY AFTERNOON OVER
THE BURN AREA...
DISCUSSION
DRY WEATHER CONDITIONS PREVAIL ACROSS THE BURN AREA
THROUGH FRIDAY. AFTERNOON MINIMUM RELATIVE HUMIDITY VALUES DROP TO
AROUND 25% TODAY AND 41% FRIDAY. TRANSPORT WINDS REMAIN OUT OF
THE WEST TODAY AT 5 TO 10 MPH, SHIFTING OUT OF THE SOUTHWEST THIS
EVENING. SOUTHWEST TRANSPORT WINDS PERSIST INTO FRIDAY. PEAK WIND
GUSTS EACH AFTERNOON WILL BE AROUND 10 MPH. AFTERNOON DISPERSIONS
ARE EXPECTED TO BE GENERALLY GOOD TODAY AND GOOD ON FRIDAY. THE
AFTERNOON SEABREEZE IS NOT ANTICIPATED TO MAKE IT TO THE BURN SITE
THIS AFTERNOON, WITH BETTER POTENTIAL FOR IT TO MAKE IT TO THE
BURN SITE FRIDAY AFTERNOON.
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED AT THE BURN
SITE POST-IGNITION.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5400 FT AGL.
MIXING HEIGHT (M)...61-1646 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 9 MPH.
TRANSPORT WINDS M/S.WEST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 54.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........17 16 11 5 3 8
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............43 53 65 71 74 74
RH..............82 59 35 25 26 29
20 FT WIND DIR..N W WSW WSW WSW SW
20 FT WIND SPD..0 1 2 6 6 6
20 FT WIND GUST.2 2 5 8 9 9
MIX HGT (FT)....200 600 2500 4300 5200 5400
MIX HGT (M).....60 180 760 1310 1580 1650
TRANSP WIND DIR.W W W W WNW W
TRANSP WIND SPD.5 5 6 7 8 8
TRANS WIND DIR..W W W W WNW W
TRANS SPD (M/S).2 2 3 3 4 4
DISPERSION IDX..4 4 17 35 50 53
LVORI...........5 3 2 1 1 1
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91-1646 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 3 TO 4 METERS/SECOND.
DISPERSION INDEX....53 DECREASING TO 4.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........6 4 4 2 2 1
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............72 65 58 55 53 50
RH..............34 50 67 77 86 96
20 FT WIND DIR..SW S S SSW SW WSW
20 FT WIND SPD..5 3 2 2 2 2
20 FT WIND GUST.8 7 7 6 5 5
MIX HGT (FT)....5400 300 300 300 300 300
MIX HGT (M).....1650 90 90 90 90 90
TRANSP WIND DIR.SW S SSW SW WSW W
TRANSP WIND SPD.9 7 7 8 8 7
TRANS WIND DIR..SW S SSW SW WSW W
TRANS SPD (M/S).4 3 3 4 4 3
DISPERSION IDX..53 3 3 3 4 3
LVORI...........1 2 3 4 6 8
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
MIXING HEIGHT (M)...91-1707 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 12 MPH INCREASING TO AROUND 13
MPH LATE IN THE AFTERNOON.
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 5 METERS/SECOND INCREASING TO
AROUND 6 METERS/SECOND LATE IN THE AFTERNOON.
DISPERSION INDEX....8 INCREASING TO 75.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........1 3 5 8 11 14
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............51 53 67 74 78 79
RH..............93 93 68 51 42 41
20 FT WIND DIR..W W WSW SSW SSW SSW
20 FT WIND SPD..2 2 2 5 7 8
20 FT WIND GUST.3 3 6 8 10 13
MIX HGT (FT)....300 400 1300 3700 5400 5100
MIX HGT (M).....90 120 400 1130 1650 1550
TRANSP WIND DIR.W W W SW SW SW
TRANSP WIND SPD.7 5 3 5 8 12
TRANS WIND DIR..W W W SW SW SW
TRANS SPD (M/S).3 2 1 2 4 5
DISPERSION IDX..3 5 5 24 51 69
LVORI...........6 6 3 2 1 1
FORECASTER...25
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2605698.5/MOB
.DELDT 03/19/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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