230
FNUS74 KMOB 201958
FWSMOB
SPOT FORECAST FOR CHICKASAWAY...USFS
NATIONAL WEATHER SERVICE MOBILE AL
258 PM CDT WED MAY 20 2026
FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SCATTERED SHOWERS AND STORMS ARE EXPECTED TO DEVELOP
NEAR THE BURN SITE THIS AFTERNOON. STORM COVERAGE BECOMES MORE
NUMEROUS ON THURSDAY. FOR THE REST OF TODAY, THE MINIMUM RELATIVE HUMIDITY IS
NEAR 55%, TRANSPORT WINDS WILL BE MOSTLY SOUTHERLY TO
SOUTHWESTERLY, AND DISPERSION VALUES WILL BE GENERALLY GOOD. FOR
THURSDAY, THE MINIMUM RELATIVE HUMIDITY IS NEAR 60%, TRANSPORT
WINDS WILL BE MOSTLY SOUTHERLY, AND DISPERSION VALUES WILL BE
GENERALLY GOOD.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG DEVELOPMENT CANNOT BE
RULED OUT LATE TONIGHT AND INTO THURSDAY MORNING.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......4100 FT AGL.
MIXING HEIGHT (M)...975-1250 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 10 MPH.
TRANSPORT WINDS M/S.SOUTHWEST AROUND 4 METERS/SECOND.
DISPERSION INDEX....46 DECREASING TO 32 LATE IN THE AFTERNOON.
LVORI...............2.
STABILITY CLASS.....3.
TIME (CDT) 3PM 4PM 5PM
SKY (%).........68 72 80
WEATHER COV.....CHC CHC CHC
WEATHER TYPE....RW RW RW
TSTM COV........CHC CHC CHC
CHC OF PCPN (%).30 40 40
TEMP............87 85 84
RH..............55 61 65
20 FT WIND DIR..SSW SSW SSW
20 FT WIND SPD..5 5 5
20 FT WIND GUST.10 10 10
MIX HGT (KFT)...4.1 3.2 3.2
MIX HGT (KM)....1.2 1.0 1.0
TRANSP WIND DIR.S SW WSW
TRANSP WIND SPD.10 9 10
TRANS WIND DIR..S SW WSW
TRANS SPD (M/S).4 4 4
DISPERSION IDX..46 30 33
LVORI...........1 1 3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,
THEN SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
EVENING. SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-975 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 9 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 1 TO 4 METERS/SECOND.
DISPERSION INDEX....36 DECREASING TO 3.
LVORI...............5.
STABILITY CLASS.....4.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........76 75 73 80 70 72 71 64 75 69 72 76
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RNF RNF RNF RNF RNF
TSTM COV........CHC CHC CHC CHC SCH SCH SCH
CHC OF PCPN (%).40 30 30 30 20 20 20 20 20 20 20 20
TEMP............83 80 76 75 74 73 73 73 72 72 72 72
RH..............70 77 87 87 87 90 90 90 90 90 87 90
20 FT WIND DIR..SSW SSW SSW N N N N N N N N N
20 FT WIND SPD..3 2 1 0 0 0 0 0 0 0 0 0
20 FT WIND GUST.9 9 6 5 5 3 3 3 3 3 3 3
MIX HGT (KFT)...3.2 0.6 0.5 0.5 0.5 0.4 0.5 0.4 0.4 0.4 0.4 0.4
MIX HGT (KM)....1.0 0.2 0.2 0.2 0.2 0.1 0.2 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SW SSW SW WSW SW SW SW SSW S S S S
TRANSP WIND SPD.9 7 7 8 7 5 5 5 5 5 3 5
TRANS WIND DIR..SW SSW SW WSW SW SW SW SSW S S S S
TRANS SPD (M/S).4 3 3 4 3 2 2 2 2 2 1 2
DISPERSION IDX..36 3 3 3 3 2 2 2 2 2 2 2
LVORI...........3 4 6 6 6 6 6 7 7 7 6 7
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG EARLY
IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
IN THE AFTERNOON.
MIXING HEIGHT.......3900 FT AGL.
MIXING HEIGHT (M)...122-1189 METERS AGL.
TRANSPORT WINDS.....SOUTH 3 TO 12 MPH.
TRANSPORT WINDS M/S.SOUTH 1 TO 5 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 40.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 75 66 57 59 46 67 46 69 68 62 57
WEATHER COV.....SCH SCH SCH SCH CHC CHC CHC LKY LKY LKY CHC CHC
WEATHER TYPE....RNF RNF RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC
CHC OF PCPN (%).20 20 20 20 30 30 30 60 60 60 50 50
TEMP............71 72 72 74 79 82 84 85 85 86 85 84
RH..............90 90 93 93 79 72 67 63 63 61 63 67
20 FT WIND DIR..N SE SSE SSE S S S S S S S S
20 FT WIND SPD..0 1 1 1 1 2 3 3 5 5 5 5
20 FT WIND GUST.3 3 3 5 6 7 8 9 10 10 12 13
MIX HGT (KFT)...0.4 0.4 1.0 1.3 2.1 2.9 3.4 3.7 3.9 3.9 3.2 3.2
MIX HGT (KM)....0.1 0.1 0.3 0.4 0.6 0.9 1.0 1.1 1.2 1.2 1.0 1.0
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.3 3 5 5 6 7 8 8 10 10 12 10
TRANS WIND DIR..S S S S S S S S S S S S
TRANS SPD (M/S).1 1 2 2 3 3 4 4 4 4 5 4
DISPERSION IDX..2 3 5 9 15 26 34 35 42 43 36 37
LVORI...........7 6 6 6 4 3 3 1 1 1 1 3
FORECASTER...96
REQUESTED BY...RODNEY LANDRUM
TYPE OF REQUEST...PRESCRIBED
.TAG 2614168.0/MOB
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL RODNEY.LANDRUM@USDA.GOV,DANIEL.PATTERSON@USDA.GOV,MSMIC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page