746
FNUS74 KMOB 221014
FWSMOB
SPOT FORECAST FOR DESOTO BB 7310...USFS
NATIONAL WEATHER SERVICE MOBILE AL
514 AM CDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE.
...HIGH DISPERSION INDEX AROUND 87 EXPECTED TODAY OVER THE
BURN AREA...
...HIGH DISPERSION INDEX AROUND 90 EXPECTED THURSDAY OVER THE
BURN AREA...
DISCUSSION
FOR TODAY, THE MINIMUM RELATIVE HUMIDITY IS NEAR
40%, 20 FT WIND GUSTS WILL BE UP TO NEAR 20 MPH, TRANSPORT WINDS
WILL BE MOSTLY SOUTH-SOUTHEASTERLY TO SOUTHERLY, AND DISPERSION
VALUES WILL BE GOOD. FOR THURSDAY, THE MINIMUM RELATIVE HUMIDITY
IS NEAR 40%, 20 FT WIND GUSTS WILL BE UP TO NEAR 25 MPH, TRANSPORT
WINDS WILL BE MOSTLY SOUTHEASTERLY TO SOUTH-SOUTHEASTERLY, AND
DISPERSION VALUES WILL BE GOOD.
FOG POTENTIAL AND OTHER REMARKS...FOG IS POSSIBLE LATE TONIGHT
INTO THURSDAY MORNING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 7 MPH WITH
GUSTS TO AROUND 20 MPH LATE IN THE MORNING.
MIXING HEIGHT.......6600 FT AGL.
MIXING HEIGHT (M)...2012 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 15 MPH SHIFTING TO THE SOUTH 13
TO 16 MPH LATE IN THE MORNING.
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 7 METERS/SECOND SHIFTING TO THE
SOUTH LATE IN THE MORNING..
DISPERSION INDEX....6 INCREASING TO 87 LATE IN THE MORNING DECREASING
TO 62 LATE IN THE AFTERNOON.
LVORI...............4 BECOMING 1.
STABILITY CLASS.....2.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........52 53 53 55 48
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 10 10
TEMP............60 72 78 80 80
RH..............78 49 43 41 41
20 FT WIND DIR..E ESE SSE SSE SSE
20 FT WIND SPD..2 5 7 8 8
20 FT WIND GUST.9 14 17 20 18
MIX HGT (FT)....500 3400 5600 6600 4300
MIX HGT (M).....150 1040 1710 2010 1310
TRANSP WIND DIR.E SSE SSE S S
TRANSP WIND SPD.7 15 15 14 13
TRANS WIND DIR..E SSE SSE S S
TRANS SPD (M/S).3 7 7 6 6
DISPERSION IDX..6 66 87 73 62
LVORI...........4 1 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). PATCHY FOG
AFTER 3 AM.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 6 METERS/SECOND.
DISPERSION INDEX....62 DECREASING TO 3.
LVORI...............1 BECOMING 9.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........50 43 25 23 3 5
WEATHER COV..... PATCHY
WEATHER TYPE....NONE NONE NONE NONE NONE FOG
TSTM COV........
CHC OF PCPN (%).10 10 0 0 0 0
TEMP............77 70 65 63 61 60
RH..............48 73 90 93 97 96
20 FT WIND DIR..SSE SSE SSE SSE SE ESE
20 FT WIND SPD..8 6 5 3 3 2
20 FT WIND GUST.16 14 12 12 10 7
MIX HGT (FT)....4300 400 400 400 300 300
MIX HGT (M).....1310 120 120 120 90 90
TRANSP WIND DIR.S SSE SSE SSE SSE SSE
TRANSP WIND SPD.13 12 8 9 8 7
TRANS WIND DIR..S SSE SSE SSE SSE SSE
TRANS SPD (M/S).6 5 4 4 4 3
DISPERSION IDX..62 6 4 4 3 3
LVORI...........1 3 6 6 9 9
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). PATCHY FOG EARLY IN THE
MORNING.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH WITH
GUSTS TO AROUND 21 MPH IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......6400 FT AGL.
MIXING HEIGHT (M)...1951 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 15 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 7 METERS/SECOND.
DISPERSION INDEX....2 INCREASING TO 90.
LVORI...............9 BECOMING 1.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........13 16 16 13 10 8
WEATHER COV.....PATCHY PATCHY
WEATHER TYPE....FOG FOG NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............59 62 73 79 82 83
RH..............100 97 66 49 43 41
20 FT WIND DIR..ESE ESE SE SE SSE SSE
20 FT WIND SPD..2 5 7 7 8 10
20 FT WIND GUST.7 12 16 18 21 21
MIX HGT (FT)....300 900 3300 5400 6400 5900
MIX HGT (M).....90 270 1010 1650 1950 1800
TRANSP WIND DIR.SE SE SE SSE SSE S
TRANSP WIND SPD.6 8 12 13 13 14
TRANS WIND DIR..SE SE SE SSE SSE S
TRANS SPD (M/S).3 4 5 6 6 6
DISPERSION IDX..3 10 46 79 90 85
LVORI...........9 7 1 1 1 1
FORECASTER...22
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2611237.0/MOB
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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