429 FNUS74 KMOB 201239 FWSMOB Spot Forecast for G-11, 12,13,14, go...Eglin AFB WSM National Weather Service Mobile AL 739 AM CDT Fri Apr 20 2018 Forecast is based on ignition time of 0800 CDT on April 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Large surface high dominates from the Great Lakes southward to the Gulf coast today. The southern portion of the high pivots eastward to the southeast and Mid Atlantic through the day Saturday. A mixed layer east to northeast flow is forecast today with daily dispersion becoming generally good late in the day. Fog potential and other remarks...Fog not expected. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Chance of pcpn......0 percent. LAL.................No Tstms. Max temperature.....Around 73. Min humidity........41 percent. Wind (20 ft)........Northeast to east winds 7 to 12 mph. Mixing height.......Increasing to 4000-5400 ft AGL in the afternoon. Mixing height (m)...Increasing to 1219-1646 meters AGL in the afternoon. Transport winds.....Northeast to east 8 to 13 mph. Transport winds m/s.Northeast to east 4 to 6 meters/second. Dispersion index....Increasing to 41 by late afternoon. LVORI...............Decreasing to 1. Stability class.....2. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........8 6 6 5 3 2 3 5 6 7 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 Temp............53 58 63 66 68 70 71 73 73 72 RH..............69 59 50 47 45 42 42 41 41 44 20 FT wind dir..NE NE NE NE NE NE E E E E 20 FT wind spd..8 9 10 9 9 8 8 8 7 6 20 FT wind gust.12 13 14 13 12 11 11 11 11 10 Mix hgt (kft)...1.5 2.2 2.8 3.4 4.0 4.6 4.8 5.1 5.4 5.4 Mix hgt (km)....0.5 0.7 0.9 1.0 1.2 1.4 1.5 1.6 1.6 1.6 Transp wind dir.NE NE NE NE E E E E E E Transp wind spd.13 13 13 12 10 9 9 9 9 8 Trans wind dir..NE NE NE NE E E E E E E Trans spd (m/s).6 6 6 5 4 4 4 4 4 4 Dispersion idx..27 32 35 37 38 38 38 38 38 41 LVORI...........3 1 1 1 1 1 1 1 1 1 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). Chance of pcpn......0 percent. LAL.................No Tstms. Min temperature.....Around 54. Max humidity........83 percent. Wind (20 ft)........East winds 5 to 7 mph. Mixing height.......Decreasing to 700-800 ft AGL. Mixing height (m)...Decreasing to 213-244 meters AGL. Transport winds.....Northeast to east 8 to 14 mph. Transport winds m/s.Northeast to east 4 to 6 meters/second. Dispersion index....Decreasing to 4 to 9 in the evening, then increasing to 15 after midnight. LVORI...............Around 3. Stability class.....4. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........8 9 10 12 13 14 16 17 21 28 32 35 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............70 68 65 63 61 60 59 58 57 56 56 55 RH..............49 54 58 62 67 69 72 75 77 80 80 83 20 FT wind dir..NE NE NE NE NE NE NE NE E E E E 20 FT wind spd..6 5 5 5 6 6 6 6 6 6 6 6 20 FT wind gust.7 6 6 6 7 8 8 10 10 10 10 10 Mix hgt (kft)...5.4 3.5 0.8 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.8 Mix hgt (km)....1.6 1.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Transp wind dir.NE NE NE NE NE NE E E E E E E Transp wind spd.8 9 10 12 13 14 14 14 14 13 13 13 Trans wind dir..NE NE NE NE NE NE E E E E E E Trans spd (m/s).4 4 4 5 6 6 6 6 6 6 6 6 Dispersion idx..42 4 5 6 9 13 15 15 15 15 15 15 LVORI...........1 2 3 3 3 3 3 3 3 4 4 4 $$ Forecaster...10 Requested by...Jerry C Type of request...PRESCRIBED .TAG 1807159.0/MOB .DELDT 04/20/18 .EMAIL jerry.coon@us.afmmil