Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
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553 FNUS73 KDMX 291325 FWSDMX Spot Forecast for Sunken Grove Brush Piles...Iowa DNR National Weather Service Des Moines IA 825 AM CDT Wed May 29 2024 Forecast is based on ignition time of 0900 CDT on May 29. 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... Very quiet day on the weather side of things with initially clear skies giving way to some fair weather cumulus by the afternoon. Winds will begin out of the ESE and shift SE for much of the day. Surface winds speeds around/less than 10mph. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Max temperature.....Around 74. Min humidity........37 percent. Wind (20 ft)........Southeast winds 6 to 7 mph increasing to 7 to 9 mph late in the afternoon. Mixing height.......6200 ft AGL. Transport winds.....Southeast 7 to 9 mph increasing to around 9 mph late in the afternoon. Smoke dispersal.....Poor (11400 knot-ft) early in the morning increasing to good (48900 knot-ft) in the afternoon. GFDI................0. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........1 1 1 2 4 4 4 4 4 Weather cov..... Weather type.... Tstm cov........ Temp............60 63 65 67 69 70 72 73 73 RH..............69 60 54 49 44 42 40 38 37 20 FT wind dir..E E SE SE SE SE SE SE SE 20 FT wind spd..6 7 7 6 6 6 7 8 9 20 FT wind gust. 12 13 Mix hgt (kft)...1.6 3.1 4.3 4.9 5.3 5.6 5.8 6.2 6.1 Transp wind dir.E E E E SE E SE SE SE Transp wind spd.8 9 8 8 7 8 8 8 9 GFDI............0 0 0 0 0 0 0 0 0 Haines index....4 4 4 4 3 3 3 3 3 SDspl kt-ft/100011 25 30 34 32 39 41 44 49 .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Min temperature.....Around 53. Max humidity........80 percent. Wind (20 ft)........Southeast winds 8 to 12 mph. Mixing height.......400 ft AGL. Transport winds.....Southeast 9 to 17 mph. Smoke dispersal.....Good (48300 knot-ft) early in the evening decreasing to poor (5400 knot-ft) late in the night. GFDI................0. Haines Index........3 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 (%).........2 3 3 4 9 13 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Temp............74 68 61 58 55 55 RH..............35 47 62 69 77 80 20 ft wind......SE 9 SE 9 SE 9 SE 9 SE 9 SE 10 20 ft wind gust.13 13 16 18 18 21 Mix hgt (ft)....6000 600 400 400 400 500 Transport wind..S 9 SE 12 SE 14 S 15 S 16 SE 17 GFDI............0 0 0 0 0 0 Haines index....3 4 4 4 4 4 SDspl kt-ft/100048 6 5 6 6 7 .THURSDAY... Sky/weather.........Mostly sunny (40-50 percent) then becoming mostly cloudy (70-80 percent). Slight chance of rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. Max temperature.....Around 77. Min humidity........51 percent. Wind (20 ft)........Southeast winds 13 to 18 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......3900 ft AGL. Transport winds.....South 18 to 26 mph. Smoke dispersal.....Poor (8800 knot-ft) early in the morning increasing to excellent (85400 knot-ft) in the afternoon. GFDI................0. 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 (%).........24 42 56 74 Weather cov..... S CHC Weather type....NONE NONE NONE RNSHWR Tstm cov........ Temp............55 62 70 74 RH..............77 67 57 51 20 FT wind......SE 13G22 SE 16G26 SE 18G26 S 17G24 Mix hgt (ft)....600 1700 3000 3700 Transport wind..S 18 S 24 S 24 S 25 GFDI............0 0 0 0 Haines index....4 3 3 3 SDspl kt-ft/10009 35 65 80 $$ Forecaster...Curtis Requested by...Jeff Feisel Type of request...PRESCRIBED .TAG 2415284.0/DMX .DELDT 05/29/24 .FormatterVersion 2.0.0 .EMAIL jeffrey.feisel@dnr.iowa.gov