648
FNUS74 KMOB 101945
FWSMOB
SPOT FORECAST FOR DESOTO BB 8301 KNOB CREEK...USFS
NATIONAL WEATHER SERVICE MOBILE AL
245 PM CDT WED JUN 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON JUNE 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GENERALLY DRY CONDITIONS ARE EXPECTED THROUGH FRIDAY.
AFTERNOON RELATIVE HUMIDITY REMAINS ABOVE CRITICAL LEVELS. TRANSPORT
WINDS WILL BE SOUTHERLY TO SOUTHEASTERLY ON THURSDAY AND TURN WESTERLY
TO SOUTHWESTERLY BY FRIDAY. DISPERSION WILL BE GENERALLY GOOD BOTH DAYS.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE IN THE PRE-DAWN
HOURS AT THE BURN SITE, HOWEVER, THE CHANCE FOR DENSE FOG IS LOW.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN
THE AFTERNOON.
MIXING HEIGHT.......4800 FT AGL.
MIXING HEIGHT (M)...244-1463 METERS AGL.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.
TRANSPORT WINDS M/S.SOUTH 2 TO 4 METERS/SECOND.
DISPERSION INDEX....9 INCREASING TO 45.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........33 25 11 24 40
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 10 10
TEMP............75 84 89 92 93
RH..............90 67 54 49 49
20 FT WIND DIR..N S SSE SSE S
20 FT WIND SPD..0 2 5 5 7
20 FT WIND GUST.2 6 9 12 13
MIX HGT (FT)....800 2600 4100 4800 4300
MIX HGT (M).....240 790 1250 1460 1310
TRANSP WIND DIR.S SSE S S S
TRANSP WIND SPD.5 7 8 8 8
TRANS SPD (M/S).2 3 4 4 4
DISPERSION IDX..5 23 41 46 43
LVORI...........6 3 1 1 1
THURSDAY NIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT) THEN BECOMING PARTLY
CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY
CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY
CLOUDY (35-45 PERCENT). PATCHY FOG AFTER 3 AM.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-1311 METERS AGL.
TRANSPORT WINDS.....SOUTH 7 TO 10 MPH SHIFTING TO THE WEST EARLY IN
THE MORNING.
TRANSPORT WINDS M/S.SOUTH 3 TO 4 METERS/SECOND SHIFTING TO THE WEST
AROUND 2 METERS/SECOND EARLY IN THE MORNING.
DISPERSION INDEX....52 DECREASING TO 4.
LVORI...............4.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........1 0 0 30 37 32
WEATHER COV..... PATCHY
WEATHER TYPE....NONE NONE NONE NONE NONE FOG
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0
TEMP............91 81 77 75 74 73
RH..............50 69 82 90 90 93
20 FT WIND DIR..S S S S SSW N
20 FT WIND SPD..8 6 5 2 1 0
20 FT WIND GUST.15 13 12 8 6 3
MIX HGT (FT)....4300 500 500 500 400 400
MIX HGT (M).....1310 150 150 150 120 120
TRANSP WIND DIR.S S S S SSW WSW
TRANSP WIND SPD.10 10 10 9 7 7
TRANS SPD (M/S).4 4 4 4 3 3
DISPERSION IDX..52 5 5 4 3 3
LVORI...........1 3 4 6 6 6
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......5300 FT AGL.
MIXING HEIGHT (M)...122-1615 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 7 MPH SHIFTING TO THE SOUTHWEST 7 TO
9 MPH LATE IN THE AFTERNOON.
TRANSPORT WINDS M/S.SOUTHWEST 2 TO 4 METERS/SECOND SHIFTING TO THE
WEST AROUND 3 METERS/SECOND IN THE LATE MORNING
AND EARLY AFTERNOON, THEN SHIFTING TO THE
SOUTHWEST 3 TO 4 METERS/SECOND LATE IN THE
AFTERNOON.
DISPERSION INDEX....5 INCREASING TO 39.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........50 61 27 31 30 24
WEATHER COV.....PATCHY S CHC S CHC
WEATHER TYPE....FOG NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
CHC OF PCPN (%).0 0 0 0 20 20
TEMP............72 77 86 91 94 94
RH..............97 90 68 54 48 48
20 FT WIND DIR..N N WNW W WSW S
20 FT WIND SPD..0 0 1 1 2 3
20 FT WIND GUST.3 2 5 5 6 8
MIX HGT (FT)....400 1300 3100 4800 5200 3900
MIX HGT (M).....120 400 940 1460 1580 1190
TRANSP WIND DIR.WNW WSW WNW W WSW SSW
TRANSP WIND SPD.5 5 7 6 6 8
TRANS SPD (M/S).2 2 3 3 3 4
DISPERSION IDX..2 8 26 34 38 37
LVORI...........8 5 3 1 1 1
FORECASTER...7
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2615311.0/MOB
.DELDT 06/10/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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