513
FNUS74 KMOB 191207
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 7310...USFS
NATIONAL WEATHER SERVICE MOBILE AL
607 AM CST THU FEB 19 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 CST ON FEBRUARY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
...HIGH DISPERSION INDEX AROUND 77 EXPECTED THIS AFTERNOON OVER THE
BURN AREA...
DISCUSSION
SCATTERED SHOWERS AND STORMS ARE POSSIBLE AT THE BURN SITE
LATE TONIGHT THROUGH FRIDAY AFTERNOON WITH THE HIGHEST RAIN CHANCE IN THE
AFTERNOON HOURS. MINIMUM RELATIVE HUMIDITY REMAINS WELL ABOVE CRITICAL
THRESHOLDS. SOUTHWESTERLY TRANSPORT WINDS WILL BE GUSTY TODAY WITH GUSTS
UP TO 25 KNOTS POSSIBLE AT THE BURN SITE, MAINLY AFTER 12PM. TRANSPORT
WINDS WILL BE MORE SOUTH-SOUTHWESTERLY ON FRIDAY. AFTERNOON DISPERSION
WILL BE GOOD BOTH DAYS.
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE IN THE PRE-
DAWN HOURS. MAX LVORI IS AN 8 IN THE EARLY MORNING HOURS ON FRIDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 12 MPH. GUSTS UP TO 28 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......4700 FT AGL.
MIXING HEIGHT (M)...244-1433 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 20 MPH INCREASING TO 20 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS M/S.SOUTHWEST 7 TO 11 METERS/SECOND.
DISPERSION INDEX....14 INCREASING TO 76.
LVORI...............3.
STABILITY CLASS.....3.
TIME (CST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........83 70 56 37 29 52
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 0 0 10 10 10
TEMP............66 70 77 82 83 80
RH..............100 93 69 56 53 60
20 FT WIND DIR..SSW SSW SSW SW SSW S
20 FT WIND SPD..7 10 13 14 13 12
20 FT WIND GUST.17 23 25 28 26 23
MIX HGT (FT)....800 2200 3500 4400 4700 4700
MIX HGT (M).....240 670 1070 1340 1430 1430
TRANSP WIND DIR.SW SSW SW SW SW S
TRANSP WIND SPD.12 20 25 25 25 20
TRANS WIND DIR..SW SSW SW SW SW S
TRANS SPD (M/S).5 9 11 11 11 9
DISPERSION IDX..14 38 67 75 76 74
LVORI...........5 4 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. CHANCE OF SHOWERS
OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND
25 MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING HEIGHT (M)...183-457 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 16 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 4 TO 7 METERS/SECOND.
DISPERSION INDEX....13 DECREASING TO 7 EARLY IN THE MORNING.
LVORI...............6.
STABILITY CLASS.....3.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........57 73 79 85 89 90
WEATHER COV..... S CHC CHANCE CHANCE CHANCE
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CHC OF PCPN (%).10 10 20 30 30 40
TEMP............77 72 71 69 70 67
RH..............71 87 92 97 97 100
20 FT WIND DIR..S SSW SSW SSW SSW SSW
20 FT WIND SPD..10 10 9 8 7 5
20 FT WIND GUST.24 24 23 20 17 14
MIX HGT (FT)....900 1300 1200 1400 1300 800
MIX HGT (M).....270 400 370 430 400 240
TRANSP WIND DIR.S SSW SW SW SW SW
TRANSP WIND SPD.16 15 16 16 14 12
TRANS WIND DIR..S SSW SW SW SW SW
TRANS SPD (M/S).7 7 7 7 6 5
DISPERSION IDX..13 16 15 16 9 8
LVORI...........3 4 5 5 8 8
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). 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 84.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH EARLY
IN THE MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......4600 FT AGL.
MIXING HEIGHT (M)...152-1402 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 4 TO 7 METERS/SECOND.
DISPERSION INDEX....13 INCREASING TO 24 LATE IN THE MORNING, THEN
INCREASING TO 35 LATE IN THE MORNING INCREASING
TO 55 EARLY IN THE AFTERNOON INCREASING TO 80
DECREASING TO 68 LATE IN THE AFTERNOON.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........84 80 71 58 47 42
WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC CHANCE CHANCE S CHC
CHC OF PCPN (%).50 50 50 60 60 60
TEMP............67 67 72 77 82 82
RH..............100 100 95 73 56 58
20 FT WIND DIR..SSW SSW SSW SSW SSW S
20 FT WIND SPD..3 7 8 7 6 6
20 FT WIND GUST.10 13 15 13 12 12
MIX HGT (FT)....500 1100 2200 3500 4200 4600
MIX HGT (M).....150 340 670 1070 1280 1400
TRANSP WIND DIR.SSW SSW SSW SSW SSW SSW
TRANSP WIND SPD.8 13 14 15 16 15
TRANS WIND DIR..SSW SSW SSW SSW SSW SSW
TRANS SPD (M/S).4 6 6 7 7 7
DISPERSION IDX..9 17 27 37 77 77
LVORI...........8 5 4 3 1 1
FORECASTER...7
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2602861.2/MOB
.DELDT 02/19/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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