Spot Forecast
Issued by NWS Mobile, AL

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000
FNUS74 KMOB 201149
FWSMOB

Spot Forecast for Desoto Block 6509 SW...USFS
National Weather Service Mobile AL
649 AM CDT Sat Apr 20 2024

Forecast is based on ignition time of 1000 CDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Showers will continue to stream over the burn site this
morning with coverage increasing this afternoon. Strong storms with gusty,
erratic winds and heavy rain are possible this afternoon at the burn site.
Another round of heavy rain is expected early Sunday into the afternoon
behind a cold front. Gusty northerly winds are expected Sunday with gusts
up to 15-20 knots in the afternoon.

Fog potential and other remarks...Patchy fog is possible in this morning,
but not likely given the rain showers already moving overhead. No fog is
expected Saturday night into Sunday behind the cold front.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    showers and thunderstorms late in the morning,
                    then showers likely and chance of thunderstorms
                    in the afternoon.
Chance of pcpn......60 percent.
LAL.................2 until 1300, then 3.
Max temperature.....Around 82.
Min humidity........67 percent.
Wind (20 ft)........Light winds becoming northeast around 5 mph
                    late in the afternoon, then becoming light late
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms late in the
                    morning. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
Mixing height.......2900 ft AGL.
Mixing height (m)...549-884 meters AGL.
Transport winds.....Northeast 5 to 6 mph shifting to the east
                    around 8 mph.
Transport winds m/s.Northeast 2 to 3 meters/second shifting to the
                    east around 4 meters/second.
Dispersion index....18 increasing to 23 late in the afternoon.
LVORI...............4.
Stability class.....2.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  75  77  78  73  77  75  71
Weather cov.....SCH SCH SCH CHC CHC CHC LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH CHC CHC CHC CHC CHC
Chc of pcpn (%).20  20  20  50  50  50  60  60
LAL.............2   2   2   3   3   3   3   3
Temp............77  78  80  81  81  81  79  78
RH..............79  76  72  67  69  67  72  71
20 FT wind dir..NNE NE  NE  NE  NNE NE  ENE E
20 FT wind spd..3   3   5   6   6   6   6   5
20 FT wind gust.6   6   7   9   9   9   9   8
Mix hgt (kft)...2.0 2.5 2.9 2.9 2.7 2.4 1.8 1.8
Mix hgt (km)....0.6 0.8 0.9 0.9 0.8 0.7 0.5 0.5
Transp wind dir.NNE ENE ESE E   NNE ENE NE  E
Transp wind spd.5   6   6   8   8   8   8   8
Trans spd (m/s).2   3   3   4   4   4   4   4
Dispersion idx..14  16  19  22  24  23  21  21
LVORI...........4   3   3   3   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers
                    likely and chance of thunderstorms in the
                    evening, then chance of rain showers and slight
                    chance of thunderstorms overnight.
Chance of pcpn......60 percent.
LAL.................3 until 1900, then 2 until 0100, then 1.
Min temperature.....Around 56.
Max humidity........97 percent.
Wind (20 ft)........Light winds becoming north 5 to 6 mph after 3
                    am. Gusty and erratic winds expected near
                    thunderstorms early in the evening. Gusty and
                    erratic winds expected near thunderstorms in
                    the evening.
Mixing height.......900 ft AGL.
Mixing height (m)...274-549 meters AGL.
Transport winds.....Northeast 7 to 12 mph.
Transport winds m/s.Northeast 3 to 5 meters/second.
Dispersion index....21 decreasing to 7.
LVORI...............5.
Stability class.....4.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........79     85     78     84     81     81
Weather cov.....LIKELY CHANCE S CHC  S CHC  CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE S CHC  S CHC  S CHC
Chc of pcpn (%).60     50     20     20     50     40
LAL.............3      2      2      2      1      1
Temp............73     69     66     65     63     61
RH..............84     93     97     97     93     97
20 FT wind dir..NE     ENE    NE     NE     NNE    N
20 FT wind spd..5      5      5      3      5      6
20 FT wind gust.7      7      7      6      7      9
Mix hgt (ft)....1800   1000   1000   1000   1100   1300
Mix hgt (m).....550    300    300    300    340    400
Transp wind dir.NE     ENE    NE     ENE    N      N
Transp wind spd.7      9      9      8      7      10
Trans spd (m/s).3      4      4      4      3      4
Dispersion idx..21     5      5      5      4      7
LVORI...........3      6      6      7      7      6

.SUNDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain
                    showers early in the morning, then rain showers
                    likely in the morning. Chance of rain showers
                    in the afternoon.
Chance of pcpn......60 percent.
LAL.................1.
Max temperature.....Around 62.
Min humidity........62 percent.
Wind (20 ft)........North winds 6 to 12 mph.
Mixing height.......2900 ft AGL.
Mixing height (m)...396-884 meters AGL.
Transport winds.....North 13 to 18 mph.
Transport winds m/s.North 6 to 8 meters/second.
Dispersion index....11 increasing to 41.
LVORI...............4.
Stability class.....3.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........85     87     89     91     88     77
Weather cov.....CHANCE LIKELY LIKELY LIKELY CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).40     60     60     60     40     40
LAL.............1      1      1      1      1      1
Temp............57     56     56     56     57     59
RH..............96     96     90     86     83     75
20 FT wind dir..NNE    NNE    NNE    NNE    NNE    N
20 FT wind spd..7      9      12     13     13     13
20 FT wind gust.10     14     17     20     20     20
Mix hgt (ft)....1300   1500   1900   2100   2500   2900
Mix hgt (m).....400    460    580    640    760    880
Transp wind dir.NNE    NNE    NNE    N      N      N
Transp wind spd.13     16     18     18     17     18
Trans spd (m/s).6      7      8      8      8      8
Dispersion idx..11     30     34     35     38     44
LVORI...........6      4      4      4      3      2

$$
Forecaster...7
Requested by...Cliff Willis
Type of request...PRESCRIBED
.TAG 2411167.4/MOB
.DELDT 04/20/24
.FormatterVersion 2.0.0
.EMAIL clifton.willis@usda.gov


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