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FNUS73 KDMX 251403 FWSDMX Spot Forecast for Aldo Leopold...Iowa DNR National Weather Service Des Moines IA 903 AM CDT Thu Apr 25 2024 Forecast is based on ignition time of 1000 CDT on April 25. 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... Dry conditions and at least periods of sunny skies will prevail through the day, before increasing cloud cover and chances for showers and storms ramp up tonight. Expect highs to reach into the lower 30s in conjunction with breezy SE winds up to around 20 mph sustained and gusts into the low to mid 20s mph. RH values to fall into the upper 20s to lower 30s percent. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....Around 63. Min humidity........30 percent. Wind (20 ft)........Southeast winds 16 to 22 mph. Mixing height.......4300 ft AGL. Transport winds.....Southeast 18 to 22 mph. Smoke dispersal.....Fair (27900 knot-ft) early in the morning increasing to excellent (81400 knot-ft) in the afternoon. GFDI................1. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........24 38 32 27 23 19 17 18 Weather cov..... Weather type.... Tstm cov........ Temp............52 56 57 60 62 63 63 63 RH..............51 45 43 37 33 31 31 30 20 FT wind dir..SE SE SE SE SE SE SE SE 20 FT wind spd..16 18 18 21 21 21 22 21 20 FT wind gust.23 22 22 22 23 23 23 24 Mix hgt (kft)...1.7 2.4 3.2 3.8 4.1 4.2 4.3 4.2 Transp wind dir.S S SE SE SE SE SE SE Transp wind spd.18 20 21 21 21 22 22 22 GFDI............1 1 1 1 1 1 1 1 Haines index....5 5 5 4 4 4 4 4 SDspl kt-ft/100028 40 57 69 74 80 81 80 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (65-75 percent). Slight chance of rain showers overnight. Chance of showers and thunderstorms after 3 am. Min temperature.....Around 46. Max humidity........71 percent. Wind (20 ft)........Southeast winds 15 to 23 mph. Gusts up to 37 mph overnight. Gusty and erratic winds expected near thunderstorms after 3 am. Mixing height.......500 ft AGL. Transport winds.....Southeast 18 to 26 mph. Smoke dispersal.....Excellent (78500 knot-ft) early in the evening decreasing to poor (8200 knot-ft) late in the night. GFDI................1. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........21 40 63 72 75 84 Weather cov..... S CHC CHANCE Weather type....NONE NONE NONE NONE RNSHWR RNSHWR Tstm cov........ CHANCE Temp............62 58 52 50 49 48 RH..............30 34 46 54 61 65 20 ft wind......SE 21 SE 15 SE 16 SE 17 SE 21 SE 23 20 ft wind gust.24 23 23 28 32 36 Mix hgt (ft)....4100 600 600 800 800 1000 Transport wind..SE 22 SE 18 SE 20 SE 21 SE 22 SE 25 GFDI............1 1 1 1 1 1 Haines index....4 5 5 5 4 4 SDspl kt-ft/100079 9 11 15 16 22 .FRIDAY... Sky/weather.........Cloudy (90-100 percent). Showers and thunderstorms likely early in the morning, then showers and thunderstorms. Max temperature.....Around 60. Min humidity........73 percent. Wind (20 ft)........Breezy. Southeast winds 22 to 28 mph with gusts to around 41 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......1700 ft AGL. Transport winds.....Southeast 28 to 36 mph. Smoke dispersal.....Fair (28500 knot-ft) early in the morning increasing to good (53100 knot-ft) in the afternoon. GFDI................1. 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 (%).........92 96 94 95 Weather cov.....LIKELY DEFNTE DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........LIKELY DEFNTE DEFNTE DEFNTE Temp............46 48 51 54 RH..............73 77 80 80 20 FT wind......SE 22G38 SE 24G38 SE 28G40 SE 28G39 Mix hgt (ft)....1200 1400 1500 1600 Transport wind..SE 28 SE 30 SE 33 SE 33 GFDI............1 1 1 1 Haines index....4 3 3 3 SDspl kt-ft/100029 36 42 47 $$ Forecaster...Curtis Requested by...Logan McEwan Type of request...PRESCRIBED .TAG 2412451.0/DMX .DELDT 04/25/24 .FormatterVersion 2.0.0 .EMAIL [email protected]