Suppression Forecast
Issued by NWS Mobile, AL

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054
FNUS74 KMOB 261204
FWSMOB

Spot Forecast for F-12 RX...Jackson Guard
National Weather Service Mobile AL
704 AM CDT Sat Apr 26 2025

Forecast is based on ignition time of 0700 CDT on April 26.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...For the rest of today, the minimum relative
humidity is near 45%, transport winds will be mostly north-
northwesterly to west-southwesterly, and dispersion values will
be generally good. For Sunday, the minimum relative humidity is
near 40%, transport winds will be mostly northerly to north-
northeasterly, and dispersion values will be fair.

Fog potential and other remarks...Patchy dense fog is possible
this morning and again tonight into Sunday morning.


.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent) then becoming
                    mostly sunny (25-35 percent). Areas of dense
                    fog early in the morning.
Chance of pcpn......10 percent.
Max temperature.....Around 89.
Min humidity........48 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 7 mph in
                    the afternoon.
Mixing height.......6000 ft AGL.
Mixing height (m)...183-1829 meters AGL.
Transport winds.....Northwest 3 to 8 mph shifting to the southwest
                    around 9 mph late in the afternoon.
Transport winds m/s.Northwest around 1 meters/second shifting to
                    the west around 4 meters/second late in the
                    afternoon.
Dispersion index....5 increasing to 44.
LVORI...............5.
Stability class.....2.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  52  32  20  17  23  30  45  44  33  35
Weather cov.....ARS
Weather type....FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   10  10  10  10  10
Temp............65  69  73  80  83  85  87  87  87  87  85
RH..............100 94  84  65  57  53  48  50  50  51  53
20 FT wind dir..N   NNW NW  NNW NNW W   SW  SSW SSW SSW SSW
20 FT wind spd..0   1   1   2   3   5   6   6   7   8   8
20 FT wind gust.1   2   2   3   6   7   8   9   10  12  12
Mix hgt (kft)...0.6 1.2 2.1 3.2 4.4 5.3 5.9 6.0 5.1 3.7 3.7
Mix hgt (km)....0.2 0.4 0.6 1.0 1.3 1.6 1.8 1.8 1.6 1.1 1.1
Transp wind dir.NW  NNW NNW NNW NNW WNW W   WNW W   WSW WSW
Transp wind spd.3   5   6   5   3   5   6   6   8   9   9
Trans wind dir..NW  NNW NNW NNW NNW WNW W   WNW W   WSW WSW
Trans spd (m/s).1   2   3   2   1   2   3   3   4   4   4
Dispersion idx..3   6   16  18  20  32  40  43  48  40  41
LVORI...........9   8   4   3   2   2   1   1   1   1   1

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Patchy fog
                    overnight.
Chance of pcpn......10 percent.
Min temperature.....Around 66.
Max humidity........99 percent.
Wind (20 ft)........Southwest winds around 5 mph early in the
                    evening becoming light.
Mixing height.......400 ft AGL.
Mixing height (m)...122-1128 meters AGL.
Transport winds.....West 6 to 9 mph shifting to the northwest
                    around 5 mph after 3 am.
Transport winds m/s.Southwest around 4 meters/second shifting to
                    the northwest 2 to 3 meters/second overnight.
Dispersion index....40 decreasing to 4.
LVORI...............5.
Stability class.....4.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........35  42  27  36  21  22  21  16  23  13  18  42
Weather cov.....                            PTY PTY PTY PTY PTY
Weather type....                            FOG FOG FOG FOG FOG
Tstm cov........
Chc of pcpn (%).10  10  10  10  0   0   0   0   0   0   0   0
Temp............83  82  76  75  73  72  71  70  69  68  67  67
RH..............56  59  74  79  81  84  87  90  93  95  97  97
20 FT wind dir..SW  SW  SW  SW  WSW WSW WSW W   W   WNW NW  NW
20 FT wind spd..6   6   3   2   2   2   1   1   1   1   1   1
20 FT wind gust.10  9   7   6   5   3   3   3   2   2   2   2
Mix hgt (kft)...3.7 0.8 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
Mix hgt (km)....1.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1
Transp wind dir.WSW SW  SW  WSW WSW WSW W   W   W   WNW NW  NW
Transp wind spd.9   8   8   8   7   7   7   7   6   6   5   5
Trans wind dir..WSW SW  SW  WSW WSW WSW W   W   W   WNW NW  NW
Trans spd (m/s).4   4   4   4   3   3   3   3   3   3   2   2
Dispersion idx..40  5   4   3   3   3   3   3   3   3   2   2
LVORI...........1   3   4   5   5   6   6   7   8   7   8   9

.SUNDAY...

Sky/weather.........Mostly sunny (25-35 percent). Patchy fog early
                    in the morning.
Chance of pcpn......10 percent.
Max temperature.....Around 91.
Min humidity........44 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 7 mph in
                    the afternoon.
Mixing height.......6300 ft AGL.
Mixing height (m)...122-1920 meters AGL.
Transport winds.....North 3 to 6 mph shifting to the west 7 to 8
                    mph early in the afternoon, then shifting to
                    the southwest around 8 mph late in the
                    afternoon.
Transport winds m/s.North around 2 meters/second becoming 1 to 3
                    meters/second in the morning and early
                    afternoon, then shifting to the west 3 to 4
                    meters/second early in the afternoon shifting
                    to the southwest around 4 meters/second late in
                    the afternoon.
Dispersion index....5 increasing to 34.
LVORI...............5.
Stability class.....2.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45  47  34  23  17  23  24  25  25  24  24  23
Weather cov.....PTY PTY
Weather type....FOG FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   10  10  10  10  10
Temp............66  67  70  75  82  86  88  90  88  87  87  85
RH..............99  97  90  83  60  51  47  44  47  48  49  52
20 FT wind dir..N   N   N   NNE NNE ENE SSE SSW SSW SSW SSW SSW
20 FT wind spd..1   1   1   1   2   3   5   6   7   8   8   8
20 FT wind gust.2   2   2   3   3   5   7   8   9   9   10  10
Mix hgt (kft)...0.4 0.4 1.2 1.7 2.9 4.7 5.5 6.3 5.2 4.1 2.9 2.9
Mix hgt (km)....0.1 0.1 0.4 0.5 0.9 1.4 1.7 1.9 1.6 1.2 0.9 0.9
Transp wind dir.N   N   NNE NNE NE  N   NNW NW  WNW WSW SSW SW
Transp wind spd.5   5   5   3   3   3   5   6   7   8   8   8
Trans wind dir..N   N   NNE NNE NE  N   NNW NW  WNW WSW SSW SW
Trans spd (m/s).2   2   2   1   1   1   2   3   3   4   4   4
Dispersion idx..2   5   6   8   13  23  31  38  38  36  29  29
LVORI...........9   8   6   4   3   2   2   1   1   1   2   2

$$
Forecaster...13
Requested by...Walker
Type of request...PRESCRIBED
.TAG 2511846.0/MOB
.DELDT 04/26/25
.FormatterVersion 2.0.0
.EMAIL thomas.harrison.22@us.af.mil