975 FNUS74 KEWX 301214 FWSEWX Spot Forecast for Bracken Bat Cave Rx...The Nature Conservancy National Weather Service Austin/San Antonio TX 614 AM CST Wed Jan 30 2019 Forecast is based on ignition time of 1000 CST on January 30. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Mostly cloud skies along with below normal temperatures can be expected over the burn site today. After excellent humidity recovery this morning, the afternoon humidity will drop to around 45 percent. 20 foot winds are expected to remain from the east and southeast today. Cloud cover will thicken overnight with low cloud development expected to begin late this evening. Winds will remain light through the night as humidities peak around 90 percent. Cloudy skies along with warmer temperatures can be expected on Thursday. Any rainfall tonight and Thursday should remain just east and south of the burn site, although some late night and early morning drizzle is possible tonight into Thursday. .TODAY... Sky/weather.........Mostly cloudy (70-80 percent high clouds). CWR.................0 percent. LAL.................No Tstms. Max temperature.....Around 54. Min humidity........44 percent. Eye level winds.....East winds around 5 mph becoming southeast around 1300. Wind (20 ft)........East winds around 5 mph becoming southeast 5-7 mph around 1300. Mixing height.......Increasing to 2600 ft AGL. Transport winds.....South 12 to 16 mph. Haines Index........3 OR very low potential for large plume dominated fire growth. TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........71 72 73 74 75 76 79 83 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 Temp............43 46 50 52 54 54 53 52 RH..............55 51 46 45 44 46 51 56 20 FT wind dir..E E SE SE SE SE SE SE 20 FT wind spd..5 5 6 6 6 7 7 6 20 FT wind gust.7 7 8 8 8 8 8 7 Eye lvl wnd dir.E E SE SE SE SE SE SE Eye lvl wnd spd.4 4 4 4 4 5 5 5 Eye lvl wnd gst.5 5 6 6 6 6 6 5 Mix hgt (kft)...1.2 2.1 2.5 2.5 2.6 2.6 2.1 1.1 Transp wind dir.SE SE SE SE SE S S S Transp wind spd.12 13 13 13 14 15 15 16 Haines index....3 3 3 3 3 2 2 2 .TONIGHT... Sky/weather.........Cloudy (85-95 percent low clouds). CWR.................1 percent. LAL.................No Tstms. Min temperature.....Around 45. Max humidity........89 percent. Eye level winds.....Southeast winds around 4 mph in the evening and overnight becoming east around 0300. Wind (20 ft)........Southeast winds 5 to 6 mph in the evening and overnight becoming light. Mixing height.......Decreasing to 200 ft AGL. Transport winds.....Southeast 8 to 11 mph. Haines Index........2 OR very low potential for large plume dominated fire growth. TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........86 88 90 92 92 91 91 92 93 94 94 95 Weather cov..... Weather type.... Tstm cov........ CWR.............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............51 50 49 48 48 47 46 45 45 45 45 46 RH..............61 64 67 71 73 77 83 87 88 89 89 86 20 FT wind dir..SE SE SE SE SE SE SE SE SE E E E 20 FT wind spd..6 6 6 6 6 5 5 5 4 4 4 4 20 FT wind gust.7 7 7 7 7 6 6 6 5 5 5 5 Eye lvl wnd dir.SE SE SE SE SE SE SE SE SE E E E Eye lvl wnd spd.4 4 4 4 4 4 4 4 3 3 3 3 Eye lvl wnd gst.5 5 5 5 5 5 5 5 4 4 4 4 Mix hgt (kft)...0.6 0.5 0.3 0.2 0.3 0.5 0.6 0.6 0.5 0.5 0.5 0.4 Transp wind dir.S S S S S SE SE SE SE SE SE SE Transp wind spd.16 16 16 16 16 15 15 15 14 14 14 14 Haines index....2 2 2 2 2 2 2 2 2 3 3 3 .THURSDAY... Sky/weather.........Cloudy (90-100 percent low clouds). CWR.................1 percent. LAL.................No Tstms. Max temperature.....Around 58. Min humidity........81 percent. Eye level winds.....Light east wind around 5 mph. Wind (20 ft)........Light east wind around 5 mph. Mixing height.......Decreasing to 200 ft AGL. Transport winds.....South 6 to 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........95 95 96 96 96 96 96 95 94 93 93 93 Weather cov..... Weather type.... Tstm cov........ CWR.............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............46 46 47 47 49 51 53 55 56 57 58 58 RH..............86 88 87 89 88 87 86 83 83 83 81 82 20 FT wind dir..E E E E E E SE SE SE SE SE SE 20 FT wind spd..4 4 4 4 4 4 4 4 4 4 4 4 20 FT wind gust.5 5 5 5 5 5 5 5 5 5 5 5 Eye lvl wnd dir.E E E E E E SE SE SE SE SE SE Eye lvl wnd spd.3 3 3 3 3 3 3 3 3 3 3 3 Eye lvl wnd gst.4 4 4 4 4 4 4 4 4 4 4 4 Mix hgt (kft)...0.4 0.3 0.3 0.3 0.4 0.5 0.5 0.5 0.4 0.4 0.3 0.2 Transp wind dir.SE S S S S S S S S S S S Transp wind spd.14 14 15 16 16 17 17 17 16 15 14 13 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 $$ Forecaster...24 Requested by...Corbin Neill Type of request...PRESCRIBED .TAG 1900662.0/EWX .DELDT 01/30/19 .EMAIL cneill@tnc.org