####018006532#### FNUS74 KMOB 081124 FWSMOB Spot Forecast for Desoto Block 8374 Boggy Branch...USFS National Weather Service Mobile AL 624 AM CDT Wed May 8 2024 Forecast is based on ignition time of 1000 CDT on May 08. If conditions become unrepresentative...contact the National Weather Service. ...HIGH DISPERSION INDEX AROUND 75 IS EXPECTED THIS AFTERNOON OVER THE BURN AREA... .DISCUSSION... Dry conditions are expected at the burn site today through Thursday afternoon. Afternoon relative humidity values remain well above critical thresholds through the period. Southerly transport winds continue today between 20 and 25 mph, decreasing to 10 to 15 mph on Thursday. Surface wind gusts should average around 25 mph, which will exceed your gust threshold, from late this morning through this afternoon due to strong heating and deep mixing. Mixing heights this afternoon will range between 4kft and 5kft, dropping to between 3.5kft and 4kft on Thursday afternoon. Afternoon dispersions are expected to be good today and generally good tomorrow. Fog potential and other remarks...Patchy fog will be possible both early this morning and again late tonight into early Thursday morning. Dense fog is not anticipated at this time and visibilities should remain at or greater than 3 miles. .REST OF TODAY... Sky/weather.........Partly sunny (50-60 percent). Chance of pcpn......0 percent. LAL.................1. Max temperature.....Around 89. Min humidity........56 percent. Wind (20 ft)........South winds 10 to 14 mph. Mixing height.......4100 ft AGL. Mixing height (m)...1036-1250 meters AGL. Transport winds.....South 20 to 22 mph. Transport winds m/s.South 9 to 10 meters/second. Dispersion index....59 increasing to 75 late in the afternoon. LVORI...............2. Stability class.....3. TIME (CDT) 10 AM NOON 2 PM 4 PM Sky (%).........71 61 50 39 Weather cov..... Weather type....NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 LAL.............1 1 1 1 Temp............84 88 89 89 RH..............70 59 57 56 20 FT wind dir..S S S S 20 FT wind spd..12 14 16 16 20 FT wind gust.18 23 25 26 Mix hgt (ft)....3400 4100 4000 3700 Mix hgt (m).....1040 1250 1220 1130 Transp wind dir.S S S S Transp wind spd.20 21 22 22 Trans wind dir..S S S S Trans spd (m/s).9 9 10 10 Dispersion idx..58 58 75 73 LVORI...........3 1 1 1 .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 74. Max humidity........97 percent. Wind (20 ft)........South winds 7 to 12 mph. Mixing height.......600 ft AGL. Mixing height (m)...183-1128 meters AGL. Transport winds.....South 13 to 21 mph. Transport winds m/s.South 6 to 9 meters/second. Dispersion index....73 decreasing to 18. LVORI...............4. Stability class.....3. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........51 66 84 76 76 83 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 10 10 LAL.............1 1 1 1 1 1 Temp............85 80 78 75 75 75 RH..............65 77 85 94 94 94 20 FT wind dir..S S S S S S 20 FT wind spd..13 12 12 12 10 8 20 FT wind gust.23 21 20 18 17 14 Mix hgt (ft)....3700 1100 1100 1300 1500 1100 Mix hgt (m).....1130 340 340 400 460 340 Transp wind dir.S S S S SSW SSW Transp wind spd.21 17 17 18 16 13 Trans wind dir..S S S S SSW SSW Trans spd (m/s).9 8 8 8 7 6 Dispersion idx..73 16 16 17 16 14 LVORI...........2 3 4 5 5 5 .THURSDAY... Sky/weather.........Partly sunny (60-70 percent). Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 91. Min humidity........60 percent. Wind (20 ft)........South winds 7 to 10 mph. Mixing height.......3900 ft AGL. Mixing height (m)...213-1189 meters AGL. Transport winds.....South 13 to 15 mph. Transport winds m/s.South 6 to 7 meters/second. Dispersion index....14 increasing to 47. LVORI...............4. Stability class.....3. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........76 74 65 66 62 52 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).10 10 10 10 10 10 LAL.............1 1 1 1 1 1 Temp............74 76 83 88 90 90 RH..............93 94 74 63 60 60 20 FT wind dir..SSW SSW SSW SSW SSW SSW 20 FT wind spd..8 9 9 10 12 12 20 FT wind gust.14 14 14 16 17 17 Mix hgt (ft)....700 1700 3200 3600 3700 3300 Mix hgt (m).....210 520 980 1100 1130 1010 Transp wind dir.S SSW SSW SSW SSW SSW Transp wind spd.13 13 15 15 15 15 Trans wind dir..S SSW SSW SSW SSW SSW Trans spd (m/s).6 6 7 7 7 7 Dispersion idx..12 27 40 44 47 47 LVORI...........6 4 3 2 1 1 $$ Forecaster...Jonathan Howell (31) Requested by...Cliff Willis Type of request...PRESCRIBED .TAG 2413312.1/MOB .DELDT 05/08/24 .FormatterVersion 2.0.0 .EMAIL clifton.willis@usda.gov