507
FNUS74 KBMX 181107
FWSBMX
SPOT FORECAST FOR GRAVITY HILL...USFS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
507 AM CST TUE NOV 18 2025
FORECAST IS BASED ON FORECAST START TIME OF 0700 CST ON NOVEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
VERY DRY CONDITIONS ARE GOING TO PERSIST ACROSS THE REGION TODAY,
WITH MINRH VALUES DROPPING BELOW 30% FOR MOST OF THE REGION.
SURFACE WINDS WILL REMAIN NEAR 5 MPH FOR MOST OF THE DAY, WITH
TRANSPORT WINDS RANGING BETWEEN 10-15 MPH. OTHERWISE, NO RAIN IS
EXPECTED TODAY, WITH RAIN NOT ANTICIPATED UNTIL CLOSER TO THE
WEEKEND.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 16 MPH.
DISPERSION INDEX....5 INCREASING TO 31 LATE IN THE MORNING, THEN
INCREASING TO 42 EARLY IN THE AFTERNOON
INCREASING TO 65 EARLY IN THE AFTERNOON
DECREASING TO 57 DECREASING TO 16 LATE IN THE
AFTERNOON DECREASING TO 5.
LVORI...............2.
TIME (CST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........5 4 9 9 5 15
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............47 60 70 72 72 68
RH..............49 33 26 29 35 42
20 FT WIND......SE 2 S 5 S 5 S 6 S 6 S 5
20 FT WIND GUST.7 10 10 12 12 11
20 FT WIND DIR..140 160 190 200 200 180
MIX HGT (FT)....300 900 2100 3300 3100 400
TRANSPORT WIND..S 9 S 13 S 12 S 15 S 15 S 9
DISPERSION IDX..4 6 31 60 57 5
LVORI...........2 2 2 1 2 2
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
EARLY IN THE EVENING.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 13 MPH.
DISPERSION INDEX....6.
LVORI...............5.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........23 16 21 42 56 64
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............62 61 60 61 60 60
RH..............56 60 69 75 87 93
20 FT WIND......S 3 S 5 S 5 SW 5 SW 5 SW 5
20 FT WIND GUST.10 11 11 12 12 12
20 FT WIND DIR..180 190 200 210 220 230
MIX HGT (FT)....300 300 400 400 400 400
TRANSPORT WIND..S 9 S 10 SW 12 SW 12 SW 13 SW 12
DISPERSION IDX..4 4 6 8 8 8
LVORI...........3 3 3 4 4 6
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH IN THE MORNING AND EARLY
AFTERNOON BECOMING LIGHT.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 13 MPH.
DISPERSION INDEX....8 INCREASING TO 26 LATE IN THE MORNING, THEN
INCREASING TO 34 EARLY IN THE AFTERNOON
DECREASING TO 21 LATE IN THE AFTERNOON
DECREASING TO 7.
LVORI...............5.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........64 56 58 53 44 45
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............60 63 70 75 78 75
RH..............96 97 76 64 54 62
20 FT WIND......SW 5 W 5 W 5 W 6 W 6 W 3
20 FT WIND GUST.11 11 11 10 10 10
20 FT WIND DIR..230 250 250 260 260 260
MIX HGT (FT)....400 800 1700 2400 2400 1500
TRANSPORT WIND..W 10 W 12 W 13 W 13 W 10 W 8
DISPERSION IDX..7 8 8 27 31 16
LVORI...........8 8 4 1 1 2
FORECASTER...ADAVIS
REQUESTED BY...WILL HOLT
TYPE OF REQUEST...WILDFIRE
.TAG 2526230.0/BMX
.DELDT 11/18/25
.FORMATTERVERSION 2.0.0
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