Spot Forecast Issued by NWS Mobile, AL
000
FNUS74 KMOB 251106
FWSMOB
Spot Forecast for Desoto Block 8531 South...USFS
National Weather Service Mobile AL
606 AM CDT Thu Apr 25 2024
Forecast is based on ignition time of 0900 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Fog potential and other remarks..Patchy fog is possible this morning,
then again after midnight tonight.
.REST OF TODAY...Light northerly winds will shift to southeast to southerly
by afternoon as high pressure east of the burn site dominates. Relatively
light surface and transport winds will limit dispersions to fair at best today.
More organized southerly flow Friday will bring higher dispersions, with good
dispersions expected.
Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 86.
Min humidity........40 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in
the afternoon.
Mixing height.......6300 ft AGL.
Mixing height (m)...396-1920 meters AGL.
Transport winds.....Northwest around 5 mph shifting to the
southeast 3 to 5 mph late in the morning, then
shifting to the south 6 to 10 mph in the
afternoon.
Transport winds m/s.Northwest around 2 meters/second shifting to
the southeast 1 to 2 meters/second late in the
morning, then shifting to the south 3 to 4
meters/second in the afternoon.
Dispersion index....10 increasing to 54.
LVORI...............3.
Stability class.....2.
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM
Sky (%).........13 20 32 48 50
Weather cov.....
Weather type....NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0
LAL.............1 1 1 1 1
Temp............70 79 84 86 84
RH..............78 56 44 40 43
20 FT wind dir..NNE ESE SSE S S
20 FT wind spd..2 3 5 6 7
20 FT wind gust.3 6 8 9 10
Mix hgt (ft)....1300 4100 5900 6300 5800
Mix hgt (m).....400 1250 1800 1920 1770
Transp wind dir.NW ESE SSE S S
Transp wind spd.5 5 6 7 10
Trans wind dir..NW ESE SSE S S
Trans spd (m/s).2 2 3 3 4
Dispersion idx..7 22 45 52 46
LVORI...........4 2 1 1 1
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (50-60 percent). Patchy fog
overnight.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 61.
Max humidity........100 percent.
Wind (20 ft)........South winds 5 to 6 mph early in the evening
becoming light.
Mixing height.......400 ft AGL.
Mixing height (m)...122-1768 meters AGL.
Transport winds.....South 8 to 13 mph.
Transport winds m/s.South 4 to 6 meters/second.
Dispersion index....46 decreasing to 3.
LVORI...............5.
Stability class.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........44 37 29 41 51 60
Weather cov..... PATCHY PATCHY
Weather type....NONE NONE NONE NONE FOG FOG
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0
LAL.............1 1 1 1 1 1
Temp............83 74 67 64 62 61
RH..............46 62 81 90 100 100
20 FT wind dir..S S S S S S
20 FT wind spd..7 6 3 3 3 3
20 FT wind gust.10 8 7 5 5 5
Mix hgt (ft)....5800 400 400 400 400 400
Mix hgt (m).....1770 120 120 120 120 120
Transp wind dir.S S S S S S
Transp wind spd.12 12 10 10 10 8
Trans wind dir..S S S S S S
Trans spd (m/s).5 5 4 4 4 4
Dispersion idx..46 6 5 4 4 4
LVORI...........1 3 4 7 9 9
.FRIDAY...
Sky/weather.........Partly sunny (50-60 percent). Patchy fog early
in the morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 84.
Min humidity........41 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 12 mph
early in the morning.
Mixing height.......4500 ft AGL.
Mixing height (m)...152-1372 meters AGL.
Transport winds.....South 7 to 15 mph increasing to 16 to 20 mph in
the late morning and afternoon.
Transport winds m/s.South 3 to 9 meters/second becoming 4 to 8
meters/second early in the morning, then
increasing to around 9 meters/second late in
the afternoon.
Dispersion index....3 increasing to 65.
LVORI...............5.
Stability class.....3.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
Sky (%).........61 59 56 57 57 54
Weather cov.....PATCHY
Weather type....FOG NONE NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0
LAL.............1 1 1 1 1 1
Temp............61 64 74 81 84 83
RH..............100 97 66 49 43 44
20 FT wind dir..SE SE SSE SSE SSE SSE
20 FT wind spd..3 6 10 13 14 14
20 FT wind gust.5 8 17 21 23 23
Mix hgt (ft)....500 900 2200 3700 4300 4500
Mix hgt (m).....150 270 670 1130 1310 1370
Transp wind dir.SSE SSE S S S S
Transp wind spd.8 10 17 17 20 20
Trans wind dir..SSE SSE S S S S
Trans spd (m/s).4 4 8 8 9 9
Dispersion idx..3 13 46 61 63 61
LVORI...........9 5 1 1 1 1
$$
Forecaster...16
Requested by...Cliff Willis
Type of request...PRESCRIBED
.TAG 2411888.1/MOB
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL clifton.willis@usda.gov