272
FNUS74 KBMX 090831
FWSBMX
SPOT FORECAST FOR POWERLINE BLOCK C...USFS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
231 AM CST MON FEB 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 CST ON FEBRUARY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOISTURE WILL GRADUALLY INCREASE THROUGH THE DAY. AS A RESULT,
MIN RH VALUES WILL HOVER AROUND 40% THIS AFTERNOON. WINDS WILL
REMAIN LIGHT THROUGH THE DAY WITH SOUTH TO SOUTHWEST WINDS
GENERALLY AROUND 5 MPH WITH THE OCCASIONAL GUST UP TO 10 MPH.
SUFFICIENT MOISTURE RECOVERY IS EXPECTED TONIGHT WITH RHS
INCREASING BACK TO NEAR 100%. TUESDAY WILL BE SIMILAR WITH MIN RH
VALUES AROUND 45%. HOWEVER, SOUTH-SOUTHWEST WINDS WILL INCREASE
SLIGHT WITH GUSTS FROM 15-20 MPH LIKELY AT TIMES. RAIN CHANCES
BEGIN TO INCREASE TUESDAY NIGHT INTO WEDNESDAY MORNING.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................10 PERCENT.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT LATE
IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 13 MPH SHIFTING TO THE SOUTHWEST 9
TO 15 MPH IN THE AFTERNOON.
DISPERSION INDEX....5 INCREASING TO 31 LATE IN THE MORNING, THEN
INCREASING TO 47 EARLY IN THE AFTERNOON
INCREASING TO 60 EARLY IN THE AFTERNOON
DECREASING TO 41 DECREASING TO 12 LATE IN THE
AFTERNOON.
LVORI...............2.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........49 38 30 34 25 18
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............10 10 0 0 0 0
TEMP............43 46 58 66 68 68
RH..............67 73 53 43 42 42
20 FT WIND......S 2 S 2 S 3 SW 5 SW 5 SW 3
20 FT WIND GUST.6 7 10 10 10 10
20 FT WIND DIR..160 180 200 220 220 220
MIX HGT (FT)....300 600 1600 2700 3300 2600
TRANSPORT WIND..S 8 S 9 SW 10 SW 13 SW 15 SW 13
DISPERSION IDX..4 4 5 42 61 41
LVORI...........3 3 2 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH.
DISPERSION INDEX....5.
LVORI...............5.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........16 22 28 30 40 48
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............62 57 53 52 50 50
RH..............56 69 86 89 93 96
20 FT WIND......S 2 S 2 S 2 S 2 SW 2 SW 3
20 FT WIND GUST.6 6 6 7 8 8
20 FT WIND DIR..200 200 200 200 210 220
MIX HGT (FT)....400 300 300 300 300 400
TRANSPORT WIND..S 9 SW 7 SW 8 SW 9 S 10 SW 10
DISPERSION IDX..5 3 3 4 5 7
LVORI...........3 3 5 6 6 6
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 16 MPH.
DISPERSION INDEX....8 INCREASING TO 39 LATE IN THE MORNING, THEN
INCREASING TO 54 EARLY IN THE AFTERNOON
INCREASING TO 69 EARLY IN THE AFTERNOON
DECREASING TO 51 DECREASING TO 30 LATE IN THE
AFTERNOON.
LVORI...............4.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........55 56 66 70 76 80
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............50 53 62 68 70 68
RH..............96 93 72 57 47 49
20 FT WIND......SW 3 SW 3 SW 6 SW 7 SW 7 SW 6
20 FT WIND GUST.8 10 11 13 14 13
20 FT WIND DIR..220 220 220 230 220 220
MIX HGT (FT)....300 700 1600 3200 3800 2700
TRANSPORT WIND..SW 10 SW 10 SW 12 SW 14 SW 16 SW 15
DISPERSION IDX..7 7 8 54 73 51
LVORI...........6 6 3 1 1 1
FORECASTER...CASTILLO
REQUESTED BY...LANCE MARTIN
TYPE OF REQUEST...PRESCRIBED
.TAG 2602084.0/BMX
.DELDT 02/09/26
.FORMATTERVERSION 2.0.0
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