503
FNUS74 KBMX 041107
FWSBMX

Spot Forecast for Compartment 4...BLM
National Weather Service Birmingham AL
607 AM CDT Fri Apr 4 2025

Forecast is based on ignition time of 0700 CDT on April 04.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

MinRH values will continue to linger around 40% this afternoon and
and Saturday, before climbing greatly with widespread rain chances
into Sunday. Expect winds to remain steady from the south through
Sunday, before swinging towards the NW come Monday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................10 percent.
Max temperature.....Around 90.
Min humidity........43 percent.
Wind (20 ft)........Light winds becoming south 5 to 8 mph with
                    gusts to around 16 mph in the late morning and
                    afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....South 9 to 18 mph increasing to 15 to 20 mph
                    late in the morning.
Dispersion index....8 increasing to 25 late in the morning, then
                    increasing to 71 late in the morning decreasing
                    to 52 late in the afternoon.
LVORI...............4.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........93  89  84  80  81  78  80  69  65  62  61
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  0   0   0   0   0   0   0   0
Temp............68  69  72  78  81  83  86  88  89  89  87
RH..............97  97  87  78  67  62  53  49  46  43  44
20 FT wind dir..SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind dir..130 150 160 170 170 170 170 170 170 170 170
20 FT wind spd..2   3   5   7   7   7   7   8   7   7   7
20 FT wind gust.10  11  12  13  14  14  14  14  16  14  14
Mix hgt (kft)...0.5 1.3 2.0 2.8 3.5 4.1 4.8 4.8 4.8 4.9 3.4
Transp wind dir.SE  S   S   S   S   S   S   S   S   S   S
Transp wind spd.9   13  16  18  20  20  18  18  17  16  15
Dispersion idx..4   8   11  25  68  74  75  75  70  66  52
LVORI...........6   6   6   1   1   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent).
CWR.................10 percent.
Min temperature.....Around 64.
Max humidity........93 percent.
Wind (20 ft)........South winds around 7 mph early in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Transport winds.....South 9 to 13 mph.
Dispersion index....31 decreasing to 7.
LVORI...............4.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........60  58  48  39  36  48  46  52  46  54  62  70
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   10  10  10  0   0   0   0   0   0   0   0
Temp............85  81  79  76  74  73  71  70  67  66  66  65
RH..............46  55  62  72  76  79  83  85  90  91  89  93
20 FT wind dir..S   S   S   S   S   S   S   S   SE  SE  SE  SE
20 FT wind dir..160 160 160 160 170 170 170 160 150 140 140 140
20 FT wind spd..7   7   3   3   3   2   2   2   2   2   2   2
20 FT wind gust.14  13  13  13  12  10  10  8   10  10  10  10
Mix hgt (kft)...2.0 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.13  12  12  13  13  12  10  9   9   9   9   9
Dispersion idx..31  9   8   8   7   6   5   4   4   4   4   4
LVORI...........1   3   3   3   4   4   4   6   6   6   6   6

.SATURDAY...

Sky/weather.........Partly sunny (55-65 percent).
CWR.................0 percent.
Max temperature.....Around 89.
Min humidity........40 percent.
Wind (20 ft)........Light winds becoming south 5 to 10 mph with
                    gusts to around 18 mph early in the morning.
Mixing height.......5400 ft AGL.
Transport winds.....South 8 to 16 mph increasing to 20 to 22 mph in
                    the late morning and afternoon.
Dispersion index....6 increasing to 24 late in the morning, then
                    increasing to 56 late in the morning increasing
                    to 88 early in the afternoon increasing to 93
                    decreasing to 74 late in the afternoon.
LVORI...............4.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........75  74  74  72  69  62  56  49  49  48  48  44
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  65  68  72  76  79  82  85  86  87  88  87
RH..............91  92  89  83  71  61  53  48  43  40  40  42
20 FT wind dir..SE  SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind dir..140 140 150 160 170 170 170 170 170 180 180 180
20 FT wind spd..2   3   5   7   8   9   9   9   10  10  10  9
20 FT wind gust.11  12  13  14  17  18  18  18  18  18  18  18
Mix hgt (kft)...0.5 0.5 1.3 2.0 2.7 3.4 4.0 4.7 4.9 5.2 5.4 4.1
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   9   13  16  20  21  21  21  22  22  22  20
Dispersion idx..4   6   8   22  26  53  58  83  90  92  93  74
LVORI...........6   5   5   5   1   1   1   1   1   1   1   1

$$
Forecaster...Aaron
Requested by...Ben Haney
Type of request...PRESCRIBED
.TAG 2508702.1/BMX
.DELDT 04/04/25
.FormatterVersion 2.0.0