428
FNUS74 KMOB 222044
FWSMOB
SPOT FORECAST FOR DESOTO BB 8301 C 215...USFS
NATIONAL WEATHER SERVICE MOBILE AL
344 PM CDT WED APR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 97 EXPECTED THURSDAY OVER THE
BURN AREA...
DISCUSSION
THERE IS A 30% CHANCE OF RAIN THE REST OF TODAY,
AND A 30% CHANCE OF RAIN TONIGHT. FOR THE REST OF 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, AND DISPERSION VALUES WILL BE GOOD. FOR THURSDAY,
THE MINIMUM RELATIVE HUMIDITY IS NEAR 40%, 20 FT WIND GUSTS WILL
BE UP TO NEAR 20 MPH, TRANSPORT WINDS WILL BE MOSTLY
SOUTHEASTERLY TO SOUTHERLY, AND DISPERSION VALUES WILL BE GOOD.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS EXPECTED OVER
THE BURN SITE LATE TONIGHT INTO EARLY THURSDAY MORNING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). CHANCE OF
SHOWERS.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 8 MPH.
MIXING HEIGHT.......5400 FT AGL.
MIXING HEIGHT (M)...1646 METERS AGL.
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.
TRANSPORT WINDS M/S.SOUTH AROUND 5 METERS/SECOND.
DISPERSION INDEX....69.
LVORI...............1.
STABILITY CLASS.....2.
TIME (CDT) 4 PM
SKY (%).........47
WEATHER COV.....CHANCE
WEATHER TYPE....RNSHWR
TSTM COV........
CHC OF PCPN (%).30
TEMP............80
RH..............43
20 FT WIND DIR..SSE
20 FT WIND SPD..8
20 FT WIND GUST.17
MIX HGT (FT)....5400
MIX HGT (M).....1650
TRANSP WIND DIR.SSE
TRANSP WIND SPD.12
TRANS WIND DIR..SSE
TRANS SPD (M/S).5
DISPERSION IDX..69
LVORI...........1
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS EARLY IN THE EVENING.
PATCHY FOG AFTER 3 AM.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91-1646 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 6 METERS/SECOND.
DISPERSION INDEX....83 DECREASING TO 4.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........33 20 15 13 5 16
WEATHER COV.....CHANCE S CHC PATCHY
WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE FOG
TSTM COV........
CHC OF PCPN (%).30 20 0 0 0 0
TEMP............79 73 65 64 60 59
RH..............47 62 86 91 100 100
20 FT WIND DIR..SSE SSE SSE SSE SE ESE
20 FT WIND SPD..7 6 3 2 2 2
20 FT WIND GUST.15 12 10 8 7 7
MIX HGT (FT)....5400 500 500 400 400 300
MIX HGT (M).....1650 150 150 120 120 90
TRANSP WIND DIR.S S SSE SSE SSE SE
TRANSP WIND SPD.13 10 10 8 7 6
TRANS WIND DIR..S S SSE SSE SSE SE
TRANS SPD (M/S).6 4 4 4 3 3
DISPERSION IDX..83 5 5 3 3 3
LVORI...........1 3 5 6 9 9
THURSDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). PATCHY FOG EARLY IN THE
MORNING.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......6300 FT AGL.
MIXING HEIGHT (M)...122-1920 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 15 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 7 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 97.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........44 23 9 15 10 12
WEATHER COV.....PATCHY PATCHY
WEATHER TYPE....FOG FOG NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 10 10
TEMP............58 62 74 79 81 83
RH..............100 90 62 47 42 41
20 FT WIND DIR..E ESE SE SE SSE SSE
20 FT WIND SPD..2 3 6 8 9 9
20 FT WIND GUST.7 9 14 16 18 18
MIX HGT (FT)....400 700 3300 5000 6300 5900
MIX HGT (M).....120 210 1010 1520 1920 1800
TRANSP WIND DIR.SE SE SE SSE S S
TRANSP WIND SPD.6 8 14 13 14 15
TRANS WIND DIR..SE SE SE SSE S S
TRANS SPD (M/S).3 4 6 6 6 7
DISPERSION IDX..3 8 53 75 96 97
LVORI...........9 6 1 1 1 1
FORECASTER...29
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2611405.0/MOB
.DELDT 04/22/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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