Spot Forecast
Issued by NWS Mobile, AL

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FNUS74 KMOB 251013
FWSMOB

Spot Forecast for Chick Cpt 439 440 441...USFS
National Weather Service Mobile AL
513 AM CDT Thu Apr 25 2024

Forecast is based on ignition time of 0800 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...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.

Fog potential and other remarks...Patchy light fog is possible this morning,
then again later tonight.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent). Patchy fog early
                    in the morning.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 85.
Min humidity........43 percent.
Wind (20 ft)........Light winds.
Mixing height.......6200 ft AGL.
Mixing height (m)...183-1890 meters AGL.
Transport winds.....Northwest around 5 mph shifting to the north
                    around 3 mph late in the morning, then shifting
                    to the southeast 3 to 5 mph late in the morning
                    shifting to the south 5 to 6 mph late in the
                    afternoon.
Transport winds m/s.West around 2 meters/second shifting to the
                    north 1 to 2 meters/second late in the morning,
                    then shifting to the southeast late in the
                    morning shifting to the south 2 to 3
                    meters/second late in the afternoon.
Dispersion index....5 increasing to 39.
LVORI...............4.
Stability class.....2.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  16  17  22  29  38  47  54  60  64
Weather cov.....PTY
Weather type....FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............63  69  76  79  83  84  85  85  85  85
RH..............93  78  62  56  47  44  43  43  43  43
20 FT wind dir..N   NNE ENE E   ESE SE  SSE SSE SSE S
20 FT wind spd..1   2   2   2   2   3   3   3   5   5
20 FT wind gust.2   3   3   5   5   6   6   7   7   7
Mix hgt (kft)...0.6 1.3 2.8 4.0 5.0 5.8 6.1 6.2 5.4 5.4
Mix hgt (km)....0.2 0.4 0.9 1.2 1.5 1.8 1.9 1.9 1.6 1.6
Transp wind dir.WNW NW  N   ESE SSE SSE SSE S   S   S
Transp wind spd.5   5   3   3   3   5   5   5   6   6
Trans wind dir..WNW NW  N   ESE SSE SSE SSE S   S   S
Trans spd (m/s).2   2   1   1   1   2   2   2   3   3
Dispersion idx..5   7   12  17  25  34  38  38  31  31
LVORI...........6   4   2   2   2   1   1   1   1   1

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent). Patchy fog
                    overnight.
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 59.
Max humidity........100 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Mixing height (m)...122-1646 meters AGL.
Transport winds.....South 7 to 12 mph.
Transport winds m/s.South 3 to 5 meters/second.
Dispersion index....31 decreasing to 3.
LVORI...............5.
Stability class.....4.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  68  55  44  35  36  43  47  49  52  56  57
Weather cov.....                            PTY PTY PTY PTY PTY
Weather type....                            FOG FOG FOG FOG FOG
Tstm cov........
Chc of pcpn (%).10  0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............83  79  75  71  69  67  66  64  62  61  60  60
RH..............46  54  62  68  73  78  81  87  93  97  100 100
20 FT wind dir..SSE SSE S   S   S   S   S   S   S   S   S   SSE
20 FT wind spd..3   3   5   5   5   5   3   3   3   3   3   2
20 FT wind gust.7   6   7   7   7   7   6   5   5   5   5   5
Mix hgt (kft)...5.4 0.8 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4
Mix hgt (km)....1.6 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.7   7   9   10  12  10  10  9   9   8   7   7
Trans wind dir..S   S   S   S   S   S   S   S   S   S   S   S
Trans spd (m/s).3   3   4   4   5   4   4   4   4   4   3   3
Dispersion idx..31  5   5   5   5   5   5   4   4   4   3   3
LVORI...........1   3   3   3   4   4   5   6   7   8   9   9

.FRIDAY...

Sky/weather.........Partly sunny (45-55 percent). Patchy fog early
                    in the morning.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 85.
Min humidity........40 percent.
Wind (20 ft)........Light winds becoming south 6 to 12 mph in the
                    late morning and afternoon.
Mixing height.......4800 ft AGL.
Mixing height (m)...122-1463 meters AGL.
Transport winds.....South 7 to 16 mph increasing to 17 to 18 mph in
                    the afternoon.
Transport winds m/s.South 3 to 8 meters/second increasing to around
                    8 meters/second in the afternoon.
Dispersion index....3 increasing to 74.
LVORI...............5.
Stability class.....2.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........58  59  59  56  55  54  54  54  51  48  45  47
Weather cov.....PTY PTY
Weather type....FOG FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............59  60  63  69  73  77  80  82  84  85  85  82
RH..............100 100 93  76  66  56  49  46  41  40  40  46
20 FT wind dir..SSE SE  SSE SSE SSE SSE SSE SSE SSE SSE S   SSE
20 FT wind spd..3   3   5   7   8   10  12  13  13  13  13  13
20 FT wind gust.5   6   8   12  15  17  20  21  22  22  22  22
Mix hgt (kft)...0.4 0.4 0.8 1.3 2.0 2.8 3.5 4.2 4.4 4.6 4.8 4.8
Mix hgt (km)....0.1 0.1 0.2 0.4 0.6 0.9 1.1 1.3 1.3 1.4 1.5 1.5
Transp wind dir.SSE SSE SSE S   S   S   S   S   S   S   S   S
Transp wind spd.7   7   9   14  15  16  17  18  18  18  18  17
Trans wind dir..SSE SSE SSE S   S   S   S   S   S   S   S   S
Trans spd (m/s).3   3   4   6   7   7   8   8   8   8   8   8
Dispersion idx..3   7   10  21  36  53  62  68  70  72  73  73
LVORI...........9   8   7   3   2   1   1   1   1   1   1   1

$$
Forecaster...16
Requested by...Ryan Barnett
Type of request...PRESCRIBED
.TAG 2412298.0/MOB
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL ryan.barnett@usda.gov
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