673
FNUS74 KBMX 172131
FWSBMX

Spot Forecast for Hubcap Night...USFS
National Weather Service Birmingham AL
331 PM CST Fri Jan 17 2025

Forecast is based on ignition time of 1600 CST on January 17.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Moisture will begin to increase into the overnight hours, as SW
flow really gets going ahead of the cold front. In turn, overnight
RH values will likely range between 95-100%, with rain chances
increasing into the morning hours as well. Winds could be gusty at
times tomorrow as well, with surface gusts between 15-20 MPH
possible. Rain chances will linger through Saturday evening,
before a brief dry period settles in until Tuesday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent).
CWR.................0 percent.
Max temperature.....Around 61.
Min humidity........25 percent.
Wind (20 ft)........South winds around 5 mph late in the afternoon
                    becoming light.
Mixing height.......1800 ft AGL.
Transport winds.....South around 12 mph.
Dispersion index....23.
LVORI...............2.

TIME (CST)      4 PM
Sky (%).........69
Weather cov.....
Weather type....NONE
Tstm cov........
CWR.............0
Temp............58
RH..............29
20 FT wind......S 5
20 FT wind gust.12
20 FT wind dir..180
Mix hgt (ft)....1800
Transport wind..S 12
Dispersion idx..27
LVORI...........2

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Chance of rain showers
                    in the evening, then rain showers overnight.
CWR.................10 percent increasing to 20 percent early in
                    the evening, then increasing to 30 percent late
                    in the evening increasing to 60 percent
                    overnight increasing to 90 percent decreasing
                    to 80 percent after 3 am decreasing to 60
                    percent.
Min temperature.....Around 46.
Max humidity........100 percent.
Wind (20 ft)........Light winds becoming south 5 to 7 mph with
                    gusts to around 17 mph early in the evening.
Mixing height.......500 ft AGL.
Transport winds.....South 12 to 20 mph.
Dispersion index....4 increasing to 14 overnight.
LVORI...............4.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........83     95     94     94     93     95
Weather cov.....       S CHC  S CHC  LIKELY DEFNTE DEFNTE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
CWR.............0      20     20     60     90     80
Temp............51     50     50     48     48     48
RH..............48     54     56     74     86     93
20 FT wind......S 2    S 5    S 5    S 6    S 7    S 7
20 FT wind gust.11     12     14     16     17     16
20 FT wind dir..160    170    170    170    160    170
Mix hgt (ft)....600    600    600    500    700    800
Transport wind..S 12   S 13   S 13   S 15   S 18   S 18
Dispersion idx..8      2      1      10     16     16
LVORI...........2      2      3      4      4      5

.SATURDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    mostly sunny (40-50 percent). Rain showers
                    likely early in the morning, then chance of
                    rain showers late in the morning. Rain showers
                    likely in the afternoon.
CWR.................60 percent decreasing to 30 percent late in the
                    morning, then increasing to 60 percent in the
                    afternoon.
Max temperature.....Around 63.
Min humidity........75 percent.
Wind (20 ft)........South winds 5 to 6 mph with gusts to around 16
                    mph shifting to the southwest around 5 mph
                    early in the afternoon, then becoming light
                    late in the afternoon.
Mixing height.......2100 ft AGL.
Transport winds.....Southwest 13 to 14 mph shifting to the west 12
                    to 16 mph in the afternoon.
Dispersion index....9 increasing to 19 late in the morning, then
                    increasing to 30 late in the afternoon
                    decreasing to 14 late in the afternoon.
LVORI...............6.

TIME (CST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........90     78     84     77     59     46
Weather cov.....LIKELY LIKELY CHANCE LIKELY LIKELY LIKELY
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
CWR.............60     60     30     60     60     60
Temp............50     51     56     60     63     62
RH..............96     100    93     87     78     75
20 FT wind......S 6    S 5    S 5    SW 5   SW 5   W 3
20 FT wind gust.16     14     13     12     12     11
20 FT wind dir..170    180    200    220    230    250
Mix hgt (ft)....600    800    1000   1300   2100   1700
Transport wind..S 14   SW 13  SW 14  SW 13  W 15   W 14
Dispersion idx..9      8      9      19     30     31
LVORI...........8      8      5      3      3      3

$$
Forecaster...ADavis
Requested by...Sean Snyder
Type of request...PRESCRIBED
.TAG 2500876.0/BMX
.DELDT 01/17/25
.FormatterVersion 2.0.0