947
FNUS74 KMOB 141030
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 0250 COMP. 596-598...USFS
NATIONAL WEATHER SERVICE MOBILE AL
530 AM CDT THU MAY 14 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS ARE EXPECTED FOR THE FORECAST WITH MINIMUM
RELATIVE HUMIDITY VALUES NEAR 35 TO 40% THIS AFTERNOON. TRANSPORT
WINDS WILL BE MOSTLY NORTHERLY TO NORTH-NORTHEASTERLY WITH GOOD
AFTERNOON DISPERSION VALUES. FOR FRIDAY, THE MINIMUM RELATIVE
HUMIDITY WILL BE NEAR 45 TO 50% WITH TRANSPORT WINDS MOSTLY OUT
OF THE EAST-SOUTHEAST TO SOUTH-SOUTHEAST. AFTERNOON DISPERSION
VALUES WILL BE GENERALLY GOOD ON FRIDAY. NO SEABREEZE IS EXPECTED
TO REACH THE BURN SITE EITHER DAY.
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......5200 FT AGL.
MIXING HEIGHT (M)...427-1585 METERS AGL.
TRANSPORT WINDS.....NORTH 9 TO 12 MPH.
TRANSPORT WINDS M/S.NORTH 4 TO 5 METERS/SECOND.
DISPERSION INDEX....20 INCREASING TO 65.
LVORI...............2.
STABILITY CLASS.....2.
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........0 1 3 1 2
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0
TEMP............70 78 82 84 82
RH..............68 50 43 37 40
20 FT WIND DIR..NNE NNE N N N
20 FT WIND SPD..6 6 6 7 6
20 FT WIND GUST.10 10 13 13 10
MIX HGT (FT)....1400 2700 4200 4800 5200
MIX HGT (M).....430 820 1280 1460 1580
TRANSP WIND DIR.NNE N N N N
TRANSP WIND SPD.10 10 12 12 10
TRANS WIND DIR..NNE N N N N
TRANS SPD (M/S).4 4 5 5 4
DISPERSION IDX..19 35 61 66 66
LVORI...........3 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
MIXING HEIGHT (M)...91-1585 METERS AGL.
TRANSPORT WINDS.....NORTH 6 TO 10 MPH SHIFTING TO THE EAST 6 TO 8
MPH LATE IN THE EVENING.
TRANSPORT WINDS M/S.NORTH AROUND 4 METERS/SECOND SHIFTING TO THE
EAST 3 TO 4 METERS/SECOND LATE IN THE EVENING.
DISPERSION INDEX....64 DECREASING TO 4.
LVORI...............3.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........2 6 17 25 21 11
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............81 73 66 64 61 59
RH..............42 62 68 73 75 78
20 FT WIND DIR..N N NNE ENE E E
20 FT WIND SPD..5 2 1 1 1 2
20 FT WIND GUST.9 6 3 3 3 5
MIX HGT (FT)....5200 300 300 300 400 400
MIX HGT (M).....1580 90 90 90 120 120
TRANSP WIND DIR.N N NNE ENE E E
TRANSP WIND SPD.10 8 6 7 8 8
TRANS WIND DIR..N N NNE ENE E E
TRANS SPD (M/S).4 4 3 3 4 4
DISPERSION IDX..64 3 3 3 3 3
LVORI...........1 3 3 3 4 4
FRIDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......5000 FT AGL.
MIXING HEIGHT (M)...122-1524 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 8 MPH SHIFTING TO THE SOUTH 8 TO
9 MPH IN THE AFTERNOON.
TRANSPORT WINDS M/S.EAST AROUND 3 METERS/SECOND SHIFTING TO THE
SOUTH AROUND 4 METERS/SECOND IN THE AFTERNOON.
DISPERSION INDEX....6 INCREASING TO 48.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........7 10 27 17 14 27
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............59 64 75 82 84 84
RH..............78 75 58 47 46 48
20 FT WIND DIR..E ESE SE SSE S S
20 FT WIND SPD..2 3 5 7 8 9
20 FT WIND GUST.7 7 9 10 13 14
MIX HGT (FT)....400 700 2200 4100 4900 3800
MIX HGT (M).....120 210 670 1250 1490 1160
TRANSP WIND DIR.ESE ESE SSE SSE S S
TRANSP WIND SPD.7 8 8 7 8 9
TRANS WIND DIR..ESE ESE SSE SSE S S
TRANS SPD (M/S).3 4 4 3 4 4
DISPERSION IDX..3 8 22 37 48 44
LVORI...........4 4 2 1 1 1
FORECASTER...8
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2613602.0/MOB
.DELDT 05/14/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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