Spot Forecast
Issued by NWS Mobile, AL

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536
FNUS74 KMOB 081138
FWSMOB

Spot Forecast for Chick 447, 448...USFS
National Weather Service Mobile AL
638 AM CDT Wed May 8 2024

Forecast is based on ignition time of 1000 CDT on May 08.
If conditions become unrepresentative...contact the National Weather
Service.

...HIGH DISPERSION INDEX AROUND 75 IS EXPECTED THIS AFTERNOON
OVER THE BURN AREA...

.DISCUSSION...

Dry conditions are expected at the burn site today but expect
scattered showers and thunderstorms on Thursday afternoon.
Afternoon relative humidity values remain well above critical
thresholds through the period. Southerly transport winds continue
today between 17 and 23 mph, decreasing to 10 to 15 mph on
Thursday. Surface wind gusts should average around 25 mph, which
will exceed your gust threshold, from late this morning through
this afternoon due to strong heating and deep mixing. Mixing
heights this afternoon will range between 5kft and 5.5kft,
dropping to between 3.5kft and 4kft on Thursday afternoon.
Afternoon dispersions are expected to be good today and generally
good tomorrow.

Fog potential and other remarks...Fog is not anticipated.


.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 91.
Min humidity........50 percent.
Wind (20 ft)........South winds 9 to 14 mph.
Mixing height.......5100 ft AGL.
Mixing height (m)...945-1554 meters AGL.
Transport winds.....South 17 to 23 mph.
Transport winds m/s.South 8 to 10 meters/second.
Dispersion index....56 increasing to 89.
LVORI...............2.
Stability class.....3.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........71  64  58  51  47  43  39  38
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1
Temp............83  86  89  90  90  91  90  89
RH..............72  65  57  54  54  50  52  54
20 FT wind dir..S   S   S   S   S   S   S   S
20 FT wind spd..10  12  13  14  15  16  16  16
20 FT wind gust.18  20  22  23  24  25  26  25
Mix hgt (kft)...3.1 3.7 4.1 4.6 5.1 5.0 4.8 4.8
Mix hgt (km)....0.9 1.1 1.2 1.4 1.6 1.5 1.5 1.5
Transp wind dir.S   S   S   S   S   S   S   S
Transp wind spd.17  18  20  21  22  23  22  22
Trans wind dir..S   S   S   S   S   S   S   S
Trans spd (m/s).8   8   9   9   10  10  10  10
Dispersion idx..53  55  59  67  87  90  87  87
LVORI...........3   2   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (65-75 percent).
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 72.
Max humidity........100 percent.
Wind (20 ft)........South winds 8 to 13 mph.
Mixing height.......500 ft AGL.
Mixing height (m)...152-1463 meters AGL.
Transport winds.....South 14 to 22 mph.
Transport winds m/s.South 6 to 10 meters/second.
Dispersion index....87 decreasing to 16.
LVORI...............3.
Stability class.....3.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........36  35  45  56  66  70  75  79  80  82  83  79
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  0   0   0   0   0   0   10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............87  83  79  77  74  74  74  73  73  73  72  72
RH..............57  65  74  82  90  90  93  97  97  97  100 100
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..15  14  13  13  12  12  12  12  10  10  9   9
20 FT wind gust.24  23  22  21  20  20  20  20  18  17  16  16
Mix hgt (kft)...4.8 1.1 0.6 0.6 0.6 0.6 0.5 0.9 0.9 1.0 0.9 1.3
Mix hgt (km)....1.5 0.3 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.4
Transp wind dir.S   S   S   S   S   S   S   SSW SSW SSW SSW SSW
Transp wind spd.22  17  17  17  16  16  16  17  16  15  15  14
Trans wind dir..S   S   S   S   S   S   S   SSW SSW SSW SSW SSW
Trans spd (m/s).10  8   8   8   7   7   7   8   7   7   7   6
Dispersion idx..87  18  14  14  14  14  14  14  14  14  14  14
LVORI...........1   3   3   4   4   5   5   5   5   5   5   5

.THURSDAY...

Sky/weather.........Partly sunny (55-65 percent). Patchy fog early
                    in the morning. Slight chance of showers and
                    thunderstorms in the morning. Chance of showers
                    and thunderstorms in the afternoon.
Chance of pcpn......30 percent.
LAL.................1 until 0700, then 2 until 1300, then 3.
Max temperature.....Around 90.
Min humidity........58 percent.
Wind (20 ft)........Southwest winds 7 to 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......3800 ft AGL.
Mixing height (m)...335-1158 meters AGL.
Transport winds.....Southwest 12 to 15 mph.
Transport winds m/s.Southwest 5 to 7 meters/second.
Dispersion index....13 increasing to 48.
LVORI...............3.
Stability class.....3.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........76  72  74  77  79  73  66  60  55  50  45  49
Weather cov.....    SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC
Weather type....    RNF RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........    SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC
Chc of pcpn (%).10  20  20  20  20  20  20  30  30  30  30  30
LAL.............1   2   2   2   2   2   2   3   3   3   3   3
Temp............72  73  75  78  81  83  85  87  89  90  90  90
RH..............100 97  94  91  79  74  70  63  59  58  58  58
20 FT wind dir..SSW S   SSW SSW SSW SSW SW  SW  SW  SSW SSW SSW
20 FT wind spd..9   8   9   10  12  12  10  9   9   10  10  10
20 FT wind gust.16  13  14  16  17  16  15  14  15  15  16  15
Mix hgt (kft)...1.1 1.9 1.7 2.1 2.3 2.6 2.8 2.9 3.2 3.5 3.8 3.8
Mix hgt (km)....0.3 0.6 0.5 0.6 0.7 0.8 0.9 0.9 1.0 1.1 1.2 1.2
Transp wind dir.SSW SSW SSW SSW SSW SSW SW  SW  SW  SW  SW  SW
Transp wind spd.14  15  13  15  14  14  14  13  13  12  12  12
Trans wind dir..SSW SSW SSW SSW SSW SSW SW  SW  SW  SW  SW  SW
Trans spd (m/s).6   7   6   7   6   6   6   6   6   5   5   5
Dispersion idx..13  24  28  34  34  38  44  44  45  51  52  52
LVORI...........5   5   4   4   4   3   3   2   1   1   1   1

$$
Forecaster...Jonathan Howell (31)
Requested by...Rodney Landrum
Type of request...PRESCRIBED
.TAG 2413439.0/MOB
.DELDT 05/08/24
.FormatterVersion 2.0.0
.EMAIL Rodney.landrum@usda.gov