442
FNUS74 KBMX 191240
FWSBMX

Spot Forecast for Compartment 21...USFS
National Weather Service Birmingham AL
740 AM CDT Thu Sep 19 2024

Forecast is based on ignition time of 0800 CDT on September 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Expect fair skies with no chance for any precipitation today and
through the weekend. Highs today will reach near 90 in the local
area with minimum relative humidity values around 45 percent mid
afternoon today. 20 foot winds will remain less than 7 mph.

.FRIDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 91.
Min humidity........41 percent.
Wind (20 ft)........Light winds.
Mixing height.......6000 ft AGL.
Transport winds.....Northeast 3 to 7 mph.
Dispersion index....2 increasing to 25 late in the morning, then
                    increasing to 46 early in the afternoon
                    decreasing to 40 late in the afternoon
                    decreasing to 22.
LVORI...............4.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........15     0      1      20     18     18
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............67     77     84     89     91     88
RH..............97     72     57     45     41     47
20 FT wind......N 1    NE 2   NE 2   N 2    N 2    NE 2
20 FT wind gust.5      5      5      6      6      6
20 FT wind dir..020    030    030    020    020    030
Mix hgt (ft)....300    1500   3400   6000   5800   3800
Transport wind..NE 3   NE 3   NE 6   NE 7   NE 7   NE 5
Dispersion idx..2      2      25     50     49     22
LVORI...........5      5      2      1      1      2

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 68.
Max humidity........90 percent.
Wind (20 ft)........Light winds.
Mixing height.......100 ft AGL.
Transport winds.....Northeast 2 to 5 mph shifting to the southeast
                    in the late evening and overnight.
Dispersion index....5.
LVORI...............5.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........13     6      4      4      4      4
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............85     81     75     72     70     69
RH..............53     62     79     84     88     90
20 FT wind......NE 2   NE 2   E 1    E 1    E 1    E 1
20 FT wind gust.6      6      5      4      4      5
20 FT wind dir..040    050    070    090    090    080
Mix hgt (ft)....2000   200    300    300    300    300
Transport wind..NE 3   E 3    SE 5   SE 5   SE 3   SE 2
Dispersion idx..9      1      2      2      2      1
LVORI...........2      3      5      5      6      7

.SATURDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 92.
Min humidity........41 percent.
Wind (20 ft)........Light winds.
Mixing height.......7000 ft AGL.
Transport winds.....East around 3 mph shifting to the northeast
                    around 5 mph in the afternoon.
Dispersion index....2 increasing to 16 late in the morning, then
                    increasing to 35 in the afternoon decreasing to
                    28 late in the afternoon.
LVORI...............4.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........5      5      4      7      8      8
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............68     72     81     86     90     91
RH..............90     80     63     50     44     41
20 FT wind......E 2    E 2    SE 2   E 2    E 2    NE 2
20 FT wind gust.5      5      5      5      5      6
20 FT wind dir..090    100    130    090    080    060
Mix hgt (ft)....300    1000   2300   5200   6800   7000
Transport wind..SE 3   E 3    E 3    NE 5   NE 5   E 5
Dispersion idx..2      2      2      30     37     39
LVORI...........7      5      2      2      1      2

$$
Forecaster...Holmes
Requested by...Trevor Callaghan
Type of request...PRESCRIBED
.TAG 2422711.0/BMX
.DELDT 09/19/24
.FormatterVersion 2.0.0