777
FNUS74 KMOB 191210
FWSMOB
SPOT FORECAST FOR DESOTO BLOCK 8301...USFS
NATIONAL WEATHER SERVICE MOBILE AL
610 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 75 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 (40-50 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 12 MPH. GUSTS UP TO 26 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......4400 FT AGL.
MIXING HEIGHT (M)...244-1341 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 20 MPH INCREASING TO 17 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS M/S.SOUTHWEST 7 TO 11 METERS/SECOND.
DISPERSION INDEX....14 INCREASING TO 73.
LVORI...............3.
STABILITY CLASS.....3.
TIME (CST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........83 73 58 37 30 56
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 0 0 10 10 10
TEMP............67 70 76 81 83 78
RH..............99 95 73 56 52 64
20 FT WIND DIR..SSW SSW SSW SW SSW S
20 FT WIND SPD..7 10 14 14 14 13
20 FT WIND GUST.18 23 25 26 26 23
MIX HGT (FT)....800 2100 3300 4300 4400 4400
MIX HGT (M).....240 640 1010 1310 1340 1340
TRANSP WIND DIR.SSW SSW SSW SW SW S
TRANSP WIND SPD.13 20 23 25 24 17
TRANS WIND DIR..SSW SSW SSW SW SW S
TRANS SPD (M/S).6 9 10 11 11 8
DISPERSION IDX..14 37 65 72 73 71
LVORI...........5 4 3 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.......700 FT AGL.
MIXING HEIGHT (M)...213-396 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 17 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 4 TO 8 METERS/SECOND.
DISPERSION INDEX....12.
LVORI...............6.
STABILITY CLASS.....3.
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........61 78 82 86 90 91
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............75 70 70 69 70 67
RH..............76 93 93 97 99 100
20 FT WIND DIR..S SSW SSW SSW SSW SSW
20 FT WIND SPD..10 10 10 8 7 5
20 FT WIND GUST.24 23 23 20 17 14
MIX HGT (FT)....900 1300 1200 1200 1000 700
MIX HGT (M).....270 400 370 370 300 210
TRANSP WIND DIR.S SSW SSW SW SW SW
TRANSP WIND SPD.16 15 16 17 13 10
TRANS WIND DIR..S SSW SSW SW SW SW
TRANS SPD (M/S).7 7 7 8 6 4
DISPERSION IDX..14 15 15 16 10 8
LVORI...........4 5 5 5 8 8
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
IN THE LATE MORNING AND AFTERNOON. SHOWERS
LIKELY 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
AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
MIXING HEIGHT (M)...183-1250 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 17 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 4 TO 8 METERS/SECOND.
DISPERSION INDEX....13 INCREASING TO 25 LATE IN THE MORNING, THEN
INCREASING TO 39 LATE IN THE MORNING INCREASING
TO 61 EARLY IN THE AFTERNOON INCREASING TO 77
DECREASING TO 65 LATE IN THE AFTERNOON.
LVORI...............5.
STABILITY CLASS.....2.
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........85 82 71 56 47 43
WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC S CHC
CHC OF PCPN (%).50 50 50 60 60 60
TEMP............67 67 71 77 82 82
RH..............100 100 93 71 56 58
20 FT WIND DIR..SSW SSW SSW SSW SSW S
20 FT WIND SPD..5 6 8 8 7 5
20 FT WIND GUST.10 14 15 14 13 12
MIX HGT (FT)....600 1000 2200 3700 4000 4100
MIX HGT (M).....180 300 670 1130 1220 1250
TRANSP WIND DIR.SSW SSW SSW SSW SSW SSW
TRANSP WIND SPD.9 10 15 17 17 15
TRANS WIND DIR..SSW SSW SSW SSW SSW SSW
TRANS SPD (M/S).4 4 7 8 8 7
DISPERSION IDX..9 16 29 42 78 74
LVORI...........8 5 4 3 1 1
FORECASTER...7
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2602859.2/MOB
.DELDT 02/19/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page