Spot Forecast
Issued by NWS Birmingham, AL

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109
FNUS74 KBMX 272314
FWSBMX

Spot Forecast for C-1...USFS
National Weather Service Birmingham AL
514 PM CST Thu Feb 27 2025

Forecast is based on ignition time of 1800 CST on February 27.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

RH values will gradually improve through the night at the C-1 burn
site, increasing to above 75 percent by sunrise. 20ft winds and
transport winds will also gradually decrease through the night.
Low RH values are forecast tomorrow, with medium chances of values
dropping below 25 percent in the afternoon. 20ft winds will be out
of the west at 5 to 7 mph gusting to around 12 mph, with westerly
transport winds at 10 to 15 mph. The dry air mass persists on
Saturday with RH values at or below 30 percent.


.TONIGHT...
TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........42     42     1      0      0      0
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............62     56     52     49     46     43
RH..............52     57     61     63     68     73
20 FT wind......NW 6   NW 5   NW 3   NW 2   NW 2   NW 2
20 FT wind gust.13     11     10     10     8      6
20 FT wind dir..320    320    320    320    310    320
Mix hgt (ft)....600    500    400    400    400    400
Transport wind..NW 14  NW 12  NW 10  NW 10  NW 9   NW 8
Dispersion idx..10     7      6      5      4      4
LVORI...........2      2      3      3      3      4

.FRIDAY...
TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........0      0      0      0      0      0
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............40     49     60     65     68     65
RH..............85     63     41     30     26     29
20 FT wind......NW 2   NW 2   W 2    W 5    W 7    W 6
20 FT wind gust.6      6      6      8      10     10
20 FT wind dir..320    320    290    270    270    270
Mix hgt (ft)....400    1200   2400   3900   4400   3200
Transport wind..N 8    N 7    NW 8   W 12   W 14   W 13
Dispersion idx..4      3      4      54     72     50
LVORI...........4      4      2      1      1      1

.FRIDAY NIGHT...
TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........0      0      0      0      0      0
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............61     55     52     49     46     44
RH..............44     53     59     68     75     81
20 FT wind......W 2    SW 2   SW 2   SW 2   W 2    W 2
20 FT wind gust.7      7      8      10     10     10
20 FT wind dir..250    240    230    230    250    250
Mix hgt (ft)....400    400    400    400    400    400
Transport wind..W 9    W 9    SW 10  W 12   W 10   W 10
Dispersion idx..5      5      5      5      5      5
LVORI...........2      2      3      3      3      4

.SATURDAY...
TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0   0   0   0   0   0   0   0   0   0   0   0
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  48  52  57  61  66  70  71  72  73  70  68
RH..............84  72  63  55  49  42  36  34  31  30  33  38
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind dir..250 250 260 260 260 270 270 270 270 270 280 290
20 FT wind spd..2   2   3   5   5   6   6   7   7   7   6   5
20 FT wind gust.10  10  11  12  12  13  13  14  14  14  14  13
Mix hgt (kft)...0.4 0.7 1.1 1.5 2.3 3.1 3.8 4.6 5.3 6.0 4.1 2.2
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.10  12  14  15  16  16  17  20  21  21  17  13
Dispersion idx..5   5   6   7   7   61  80  105 125 139 85  36
LVORI...........3   3   3   2   2   2   1   1   1   1   1   1

$$
Forecaster...JDavis
Requested by...Layfield
Type of request...PRESCRIBED
.TAG 2504036.3/BMX
.DELDT 02/27/25
.FormatterVersion 2.0.0