Spot Forecast
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
801 FNUS73 KDMX 301205 FWSDMX Spot Forecast for Kunch South Rx...Iowa Department of Natural Resources Otter National Weather Service Des Moines IA 705 AM CDT Tue Apr 30 2024 Forecast is based on ignition time of 1000 CDT on April 30. 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... Warmer and breezy today as south winds push afternoon temps into the upper 70s. Peak wind gusts occur this afternoon with gusts of up to 30 mph possible at times. Min RH dips down into the 40 percent range during peak heating. Showers and thunderstorms are likely this evening, followed by a switch to westerly winds tonight. .REST OF TODAY... Sky/weather.........Mostly sunny (20-30 percent). Max temperature.....Around 77. Min humidity........43 percent. Wind (20 ft)........South winds 9 to 17 mph increasing to 20 to 21 mph late in the afternoon. Mixing height.......5300 ft AGL. Transport winds.....South 13 to 22 mph increasing to 25 to 31 mph late in the afternoon. Smoke dispersal.....Fair (14300 knot-ft) early in the morning increasing to excellent (94500 knot-ft) in the afternoon increasing to excellent (117100 knot-ft) late 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 (%).........8 14 22 29 43 30 33 37 Weather cov..... Weather type.... Tstm cov........ Temp............59 65 68 71 73 76 77 76 RH..............72 63 61 55 50 45 43 45 20 FT wind dir..SE SE S S S S S S 20 FT wind spd..9 12 13 14 15 17 20 21 20 FT wind gust.14 17 20 22 23 26 29 31 Mix hgt (kft)...1.3 1.9 2.7 4.0 5.0 5.3 5.2 4.6 Transp wind dir.S S S S S S S S Transp wind spd.13 16 18 20 22 25 28 31 GFDI............0 0 0 0 1 1 1 1 Haines index....4 4 4 5 5 5 5 5 SDspl kt-ft/100014 27 43 69 95 117 124 125 .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent) then becoming mostly clear (15-25 percent). Showers and thunderstorms in the evening. Slight chance of showers and thunderstorms overnight. Min temperature.....Around 48. Max humidity........96 percent. Wind (20 ft)........South winds 16 to 21 mph shifting to the west 12 to 15 mph in the late evening and overnight, then decreasing to 9 to 10 mph after 3 am. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......500 ft AGL. Transport winds.....South 22 to 31 mph shifting to the southwest around 17 mph late in the evening, then shifting to the west overnight. Smoke dispersal.....Excellent (88000 knot-ft) early in the evening decreasing to poor (4500 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 (%).........56 91 85 34 12 6 Weather cov..... DEFNTE CHANCE S CHC Weather type....NONE RNSHWR RNSHWR RNSHWR NONE NONE Tstm cov........ DEFNTE CHANCE S CHC Temp............75 69 63 58 54 50 RH..............48 63 78 90 96 96 20 ft wind......S 21 S 18 SW 15 W 14 W 13 W 10 20 ft wind gust.31 29 23 20 18 15 Mix hgt (ft)....3300 800 500 600 500 500 Transport wind..S 31 S 26 SW 17 W 15 NW 16 W 13 GFDI............1 1 0 0 0 0 Haines index....5 4 4 4 5 5 SDspl kt-ft/100088 18 8 7 8 5 .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Max temperature.....Around 71. Min humidity........35 percent. Wind (20 ft)........Northwest winds 8 to 12 mph shifting to the east around 9 mph late in the afternoon. Mixing height.......3500 ft AGL. Transport winds.....Northwest 10 to 17 mph shifting to the northeast around 8 mph late in the afternoon. Smoke dispersal.....Poor (3500 knot-ft) early in the morning increasing to good (37800 knot-ft) in the afternoon. GFDI................0. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........7 28 38 42 Weather cov..... Weather type....NONE NONE NONE NONE Tstm cov........ Temp............48 57 68 71 RH..............96 67 40 35 20 FT wind......W 9G14 NW 10G16 N 12G16 NE 9G14 Mix hgt (ft)....400 1100 2700 3200 Transport wind..W 10 NW 14 NW 15 NE 9 GFDI............0 0 0 0 Haines index....5 5 5 5 SDspl kt-ft/10004 14 36 27 $$ Forecaster...Martin Requested by...Matt Shanklin Type of request...PRESCRIBED .TAG 2412766.0/DMX .DELDT 04/30/24 .FormatterVersion 2.0.0 .EMAIL matt.shanklin@dnr.iowa.gov