105 FNUS73 KDMX 011231 FWSDMX Spot Forecast for Goose pen (Rathbun Lake)...Iowa DNR National Weather Service Des Moines IA 731 AM CDT Wed Apr 1 2020 Forecast is based on ignition time of 0800 CDT on April 01. If conditions become unrepresentative...contact the National Weather Service. An initial observation at ignition and a mid burn observation are required. Please relay them to the National Weather Service for each prescribed burn. .DISCUSSION... Overnight recoveries have been fair across most of the area. With S/SE winds in the 15 to 20 kt range and above normal temperatures, potentially elevated conditions for uncontrolled fires to spread. .REST OF TODAY... Sky/weather.........Sunny (15-25 percent). Temperature.........39 at ignition...Max 63. RH..................92 percent at ignition...Min 50 percent. Wind (20 ft)........Winds southeast at 12 mph at ignition...otherwise Southeast winds 10 to 13 mph. Mixing height.......800 ft AGL at ignition...otherwise 3800 ft AGL. Transport winds.....South 13 to 20 mph. Haines Index........2 or very low potential for large plume dominated fire growth at ignition...max 4. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........39 34 25 28 21 5 5 17 23 23 Weather cov..... Weather type.... Tstm cov........ Temp............39 42 45 48 52 55 57 60 62 62 RH..............92 82 76 71 66 61 57 53 50 50 20 FT wind dir..SE SE SE SE SE SE SE SE SE SE 20 FT wind spd..12 12 10 12 13 12 12 12 13 12 20 FT wind gust.14 16 16 17 20 17 17 17 20 Mix hgt (kft)...0.8 1.3 1.5 1.9 2.1 2.5 3.1 3.5 3.8 3.6 Transp wind dir.SE SE SE SE SE S S S S S Transp wind spd.13 16 15 15 15 16 17 18 20 20 Haines index....2 2 2 2 3 3 3 4 4 4 .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent) then becoming mostly cloudy (70-80 percent). Slight chance of rain after 3 am. Temperature.........Min 50. RH..................Max 83 percent. Wind (20 ft)........Southeast winds 10 to 12 mph. Mixing height.......500 ft AGL. Transport winds.....Southeast 16 to 20 mph. Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........43 71 81 83 84 88 Weather cov..... S CHC Weather type....NONE NONE NONE NONE NONE RAIN Tstm cov........ Temp............61 57 53 52 51 51 RH..............51 62 71 69 77 77 20 ft wind......SE 12 SE 10 SE 10 SE 12 SE 10 SE 12 20 ft wind gust. Mix hgt (ft)....3100 600 500 600 600 600 Transport wind..S 20 SE 17 SE 18 SE 20 SE 20 SE 17 Haines index....3 3 4 4 3 2 .THURSDAY... Sky/weather.........Cloudy (85-95 percent). Slight chance of rain early in the morning, then chance of rain in the late morning and afternoon. Temperature.........Max 64. RH..................Min 60 percent. Wind (20 ft)........Southeast winds 12 to 14 mph. Mixing height.......2600 ft AGL. Transport winds.....South 17 to 26 mph. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........84 91 93 88 Weather cov.....S CHC CHANCE CHANCE CHANCE Weather type....RAIN RAIN RAIN RAIN Tstm cov........ Temp............51 54 59 64 RH..............83 80 72 60 20 FT wind......SE 12 S 14G21 S 14G21 S 14G21 Mix hgt (ft)....500 1300 1900 2200 Transport wind..SE 17 S 26 S 23 S 21 Haines index....3 4 4 4 $$ Forecaster...Cogil Requested by...Heath Van Waus Type of request...PRESCRIBED .TAG 2005461.0/DMX .DELDT 04/01/20 .FormatterVersion 1.0.26 .EMAIL heath.vanwaus@dnr.iowa.gov