####018005878#### FNUS73 KDMX 031134 FWSDMX Spot Forecast for Perkins Rx...INHF National Weather Service Des Moines IA 634 AM CDT Fri May 3 2024 Forecast is based on ignition time of 1000 CDT on May 03. 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... Patchy fog in the vicinity early, otherwise sunshine returns. Light south winds with relative humidity from 55 to 65% at ignition time. Relative humidity lower to 35 to 40% by late afternoon. Showers overnight with additional wetting rainfall Monday afternoon through Monday night. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....Around 71. Min humidity........36 percent. Wind (20 ft)........South winds 6 to 13 mph. Mixing height.......3900 ft AGL. Transport winds.....Southeast 10 to 18 mph shifting to the south around 20 mph late in the afternoon. Smoke dispersal.....Poor (12200 knot-ft) early in the morning increasing to excellent (66900 knot-ft) in the afternoon. GFDI................0. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........19 34 42 39 32 35 37 25 Weather cov..... Weather type.... Tstm cov........ Temp............59 63 65 67 68 70 71 71 RH..............64 54 48 43 41 39 36 36 20 FT wind dir..S S S SE SE SE SE SE 20 FT wind spd..6 7 7 8 9 12 13 13 20 FT wind gust. 10 14 18 18 Mix hgt (kft)...1.4 2.1 2.8 3.4 3.6 3.8 3.9 3.9 Transp wind dir.S S SE SE SE SE SE S Transp wind spd.10 10 10 12 15 17 18 20 GFDI............0 0 0 0 0 0 0 0 Haines index....5 5 5 5 5 5 5 5 SDspl kt-ft/100012 19 25 34 47 56 62 67 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (70-80 percent). Chance of rain showers overnight. Chance of thunderstorms overnight. Rain showers after 3 am. Min temperature.....Around 50. Max humidity........100 percent. Wind (20 ft)........Southeast winds 8 to 14 mph. Gusty and erratic winds expected near thunderstorms overnight. Mixing height.......400 ft AGL. Transport winds.....Southeast 13 to 18 mph shifting to the southwest around 14 mph early in the morning. Smoke dispersal.....Good (50700 knot-ft) early in the evening decreasing to poor (4900 knot-ft) late in the night. GFDI................0. Haines Index........3 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........16 27 45 61 81 98 Weather cov..... CHANCE DEFNTE Weather type....NONE NONE NONE NONE RNSHWR RNSHWR Tstm cov........ CHANCE CHANCE Temp............70 64 57 54 53 51 RH..............41 56 69 74 80 93 20 ft wind......SE 14 SE 10 SE 9 SE 9 SE 10 SE 12 20 ft wind gust.18 14 14 14 14 16 Mix hgt (ft)....3200 500 400 400 500 500 Transport wind..S 18 SE 13 SE 14 SE 16 SE 16 S 15 GFDI............0 0 0 0 0 0 Haines index....5 5 5 5 3 3 SDspl kt-ft/100051 5 5 6 7 7 .SATURDAY... Sky/weather.........Mostly cloudy (75-85 percent) then becoming mostly sunny (35-45 percent). Chance of showers and thunderstorms early in the morning. Max temperature.....Around 65. Min humidity........48 percent. Wind (20 ft)........Northwest winds 9 to 17 mph. Gusty and erratic winds expected near thunderstorms early in the morning. Mixing height.......4700 ft AGL. Transport winds.....North 13 to 22 mph. Smoke dispersal.....Poor (7200 knot-ft) early in the morning increasing to excellent (85200 knot-ft) in the afternoon. GFDI................0. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........99 89 73 49 Weather cov.....CHANCE CHANCE Weather type....RNSHWR RNSHWR NONE NONE Tstm cov........CHANCE CHANCE Temp............50 53 57 63 RH..............100 89 75 56 20 FT wind......NW 10G15 NW 15G21 NW 16G23 N 16G22 Mix hgt (ft)....700 1500 2700 4200 Transport wind..NW 13 N 20 N 21 N 22 GFDI............0 0 0 0 Haines index....3 3 3 2 SDspl kt-ft/10007 25 48 80 $$ Forecaster...Vachalek Requested by...Derek Miner Type of request...PRESCRIBED .TAG 2413065.0/DMX .DELDT 05/03/24 .FormatterVersion 2.0.0 .EMAIL dminer@inhf.org