945
FNUS74 KMOB 150956
FWSMOB
SPOT FORECAST FOR DESOTO BB 7310...USFS
NATIONAL WEATHER SERVICE MOBILE AL
456 AM CDT FRI MAY 15 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 75 EXPECTED SATURDAY OVER THE
BURN AREA...
DISCUSSION
DRY CONDITIONS WILL PERSIST THROUGH THE FORECAST. FOR
FRIDAY, THE MINIMUM RELATIVE HUMIDITY IS NEAR 40% WITH
SOUTHEASTERLY TRANSPORT WINDS. AFTERNOON DISPERSION VALUES WILL
BE FAIR. SATURDAY THE MINIMUM RELATIVE HUMIDITY WILL BE BETWEEN 40
TO 45%. 20 FT WIND GUSTS WILL BE UP TO NEAR 20 MPH DURING THE
AFTERNOON WITH TRANSPORT WINDS MOSTLY SOUTH-SOUTHEASTERLY AROUND
10 MPH. AFTERNOON DISPERSION VALUES WILL BE GOOD.
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......4700 FT AGL.
MIXING HEIGHT (M)...183-1433 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 8 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 2 TO 4 METERS/SECOND.
DISPERSION INDEX....11 INCREASING TO 32.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........7 3 7 15 10
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0
TEMP............62 73 80 84 86
RH..............75 53 42 38 39
20 FT WIND DIR..ESE SE SSE SSE SSE
20 FT WIND SPD..2 3 3 3 3
20 FT WIND GUST.7 10 9 8 8
MIX HGT (FT)....600 1800 3200 4300 4700
MIX HGT (M).....180 550 980 1310 1430
TRANSP WIND DIR.ESE SSE SSE SSE SSE
TRANSP WIND SPD.8 8 6 5 6
TRANS WIND DIR..ESE SSE SSE SSE SSE
TRANS SPD (M/S).4 4 3 2 3
DISPERSION IDX..8 19 22 25 32
LVORI...........4 2 2 2 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY
IN THE EVENING, THEN BECOMING LIGHT EARLY IN
THE EVENING.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-1433 METERS AGL.
TRANSPORT WINDS.....SOUTH 6 TO 9 MPH.
TRANSPORT WINDS M/S.SOUTH 3 TO 4 METERS/SECOND.
DISPERSION INDEX....47 DECREASING TO 4.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........19 23 33 41 56 67
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............83 72 67 64 62 60
RH..............48 71 81 90 93 100
20 FT WIND DIR..S S S S S SSE
20 FT WIND SPD..5 5 3 2 1 1
20 FT WIND GUST.13 13 12 9 6 5
MIX HGT (FT)....4700 400 400 400 400 400
MIX HGT (M).....1430 120 120 120 120 120
TRANSP WIND DIR.S S S S S SSE
TRANSP WIND SPD.8 9 9 8 7 6
TRANS WIND DIR..S S S S S SSE
TRANS SPD (M/S).4 4 4 4 3 3
DISPERSION IDX..47 4 4 4 3 3
LVORI...........1 3 5 6 6 9
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......5000 FT AGL.
MIXING HEIGHT (M)...122-1524 METERS AGL.
TRANSPORT WINDS.....SOUTH 6 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTH 3 TO 6 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 69.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........71 72 47 57 44 22
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............60 65 75 81 83 84
RH..............100 93 71 56 49 48
20 FT WIND DIR..SE SSE SSE S S S
20 FT WIND SPD..1 2 5 7 8 8
20 FT WIND GUST.5 6 12 15 17 16
MIX HGT (FT)....400 1000 3000 4300 5000 4800
MIX HGT (M).....120 300 910 1310 1520 1460
TRANSP WIND DIR.SSE SSE SSE S S S
TRANSP WIND SPD.6 8 12 12 13 13
TRANS WIND DIR..SSE SSE SSE S S S
TRANS SPD (M/S).3 4 5 5 6 6
DISPERSION IDX..3 9 45 59 72 70
LVORI...........9 6 3 1 1 1
FORECASTER...8
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2613667.0/MOB
.DELDT 05/15/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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