056
FNUS74 KMOB 191118
FWSMOB
SPOT FORECAST FOR DESOTO BB 8301 NORTH...USFS
NATIONAL WEATHER SERVICE MOBILE AL
618 AM CDT THU MAR 19 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MARCH 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 79 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 38% 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.
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED AT THE BURN
SITE.
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 8 MPH.
TRANSPORT WINDS M/S.WEST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 56.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........25 21 6 3 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0
TEMP............45 59 67 73 74
RH..............79 51 33 26 27
20 FT WIND DIR..WSW WSW WSW WSW W
20 FT WIND SPD..1 1 3 5 5
20 FT WIND GUST.3 5 8 9 9
MIX HGT (FT)....300 1300 3600 5200 6100
MIX HGT (M).....90 400 1100 1580 1860
TRANSP WIND DIR.W W W WNW WNW
TRANSP WIND SPD.5 5 7 7 8
TRANS WIND DIR..W W W WNW WNW
TRANS SPD (M/S).2 2 3 3 4
DISPERSION IDX..4 8 30 47 58
LVORI...........4 3 2 1 1
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91-1859 METERS AGL.
TRANSPORT WINDS.....WEST AROUND 6 MPH SHIFTING TO THE SOUTHWEST 5
TO 7 MPH, THEN SHIFTING TO THE WEST AROUND 7
MPH EARLY IN THE MORNING.
TRANSPORT WINDS M/S.WEST AROUND 3 METERS/SECOND SHIFTING TO THE
SOUTHWEST 2 TO 3 METERS/SECOND, THEN SHIFTING
TO THE WEST AROUND 3 METERS/SECOND EARLY IN THE
MORNING.
DISPERSION INDEX....48 DECREASING TO 3.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........6 3 6 2 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 57 55 52 50
RH..............34 50 69 77 86 96
20 FT WIND DIR..W SSW SSW SW SW WSW
20 FT WIND SPD..2 2 2 2 2 2
20 FT WIND GUST.7 7 8 8 7 6
MIX HGT (FT)....6100 300 300 300 300 300
MIX HGT (M).....1860 90 90 90 90 90
TRANSP WIND DIR.WNW SSW SW SW WSW WSW
TRANSP WIND SPD.6 7 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..48 3 3 3 3 3
LVORI...........1 2 3 4 6 8
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
MIXING HEIGHT (M)...91-1920 METERS AGL.
TRANSPORT WINDS.....WEST 3 TO 12 MPH.
TRANSPORT WINDS M/S.WEST 1 TO 5 METERS/SECOND.
DISPERSION INDEX....8 INCREASING TO 79.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........5 16 6 10 13 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 78 81
RH..............93 89 73 53 42 38
20 FT WIND DIR..WSW WSW WSW SSW SSW SSW
20 FT WIND SPD..2 2 2 3 6 7
20 FT WIND GUST.5 5 7 9 12 13
MIX HGT (FT)....300 400 1300 3800 5900 6000
MIX HGT (M).....90 120 400 1160 1800 1830
TRANSP WIND DIR.W W W WSW SW SW
TRANSP WIND SPD.7 5 3 5 7 10
TRANS WIND DIR..W W W WSW SW SW
TRANS SPD (M/S).3 2 1 2 3 4
DISPERSION IDX..3 4 5 24 52 71
LVORI...........6 6 3 2 1 1
FORECASTER...25
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2606320.0/MOB
.DELDT 03/19/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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