047
FNUS74 KMOB 191010
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 7310 NORTH...USFS
NATIONAL WEATHER SERVICE MOBILE AL
510 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 81 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 26% TODAY AND 39% 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........26 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......6100 FT AGL.
MIXING HEIGHT (M)...91-1859 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 9 MPH.
TRANSPORT WINDS M/S.WEST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 57.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........22 17 13 2 3 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............41 52 64 71 74 75
RH..............86 63 40 27 26 28
20 FT WIND DIR..WSW WSW WSW WSW W W
20 FT WIND SPD..1 1 2 5 5 3
20 FT WIND GUST.3 5 7 9 9 9
MIX HGT (FT)....300 700 2500 4600 5700 6100
MIX HGT (M).....90 210 760 1400 1740 1860
TRANSP WIND DIR.W W W W WNW WNW
TRANSP WIND SPD.5 5 6 7 9 7
TRANS WIND DIR..W W W W WNW WNW
TRANS SPD (M/S).2 2 3 3 4 3
DISPERSION IDX..4 4 19 42 61 53
LVORI...........6 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)...91-1859 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 7 MPH SHIFTING TO THE SOUTHWEST 6 TO
8 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE WEST AROUND 7 MPH EARLY IN THE MORNING.
TRANSPORT WINDS M/S.WEST 2 TO 3 METERS/SECOND SHIFTING TO THE
SOUTHWEST 3 TO 4 METERS/SECOND EARLY IN THE
EVENING, THEN SHIFTING TO THE WEST AROUND 3
METERS/SECOND EARLY IN THE MORNING.
DISPERSION INDEX....49 DECREASING TO 3.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........5 5 8 3 0 0
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 52 50
RH..............34 50 67 74 86 96
20 FT WIND DIR..W SSW SSW SW SW SW
20 FT WIND SPD..2 2 2 2 2 2
20 FT WIND GUST.7 6 8 8 7 7
MIX HGT (FT)....6100 400 400 400 300 300
MIX HGT (M).....1860 120 120 120 90 90
TRANSP WIND DIR.WNW SSW SW SW WSW WSW
TRANSP WIND SPD.7 6 7 7 7 7
TRANS WIND DIR..WNW SSW SW SW WSW WSW
TRANS SPD (M/S).3 3 3 3 3 3
DISPERSION IDX..49 2 3 3 3 3
LVORI...........1 2 3 3 6 8
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
MIXING HEIGHT (M)...91-1920 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 12 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 5 METERS/SECOND.
DISPERSION INDEX....8 INCREASING TO 81.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........7 22 6 11 14 16
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............51 53 65 73 79 81
RH..............93 89 73 53 42 39
20 FT WIND DIR..WSW WSW WSW SSW SSW SSW
20 FT WIND SPD..2 2 2 3 5 6
20 FT WIND GUST.6 5 7 9 12 13
MIX HGT (FT)....300 400 1100 3700 5900 6000
MIX HGT (M).....90 120 340 1130 1800 1830
TRANSP WIND DIR.WSW W WSW WSW SW SW
TRANSP WIND SPD.6 5 3 6 8 10
TRANS WIND DIR..WSW W WSW WSW SW SW
TRANS SPD (M/S).3 2 1 3 4 4
DISPERSION IDX..3 4 5 24 53 73
LVORI...........6 6 3 2 1 1
FORECASTER...25
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2605700.5/MOB
.DELDT 03/19/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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