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FNUS73 KARX 251051 FWSARX Spot Forecast for Brice Prairie South...US FISH AND WILDLIFE SERVICE National Weather Service La Crosse WI 551 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. Please contact our office at (608) 784-8292 if you have questions or concerns with this forecast. .DISCUSSION... High pressure overhead today resulting in sunny skies and dry conditions. An approaching weather system to our west will help to increase southeasterly winds today. With lighter winds in the morning, fair smoke dispersal is expected. Minimum relative humidity values in the afternoon will be around 30 percent. Winds will also increase overnight into Friday as the system gets closer. Wet and windy conditions for Friday are expected. .TODAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Temperature.........48 at ignition...Max 63. RH..................54 percent at ignition...Min 32 percent. Wind (20 ft)........Winds south at 8 mph at ignition...otherwise Southeast winds 5 to 9 mph. Mixing height.......1400 ft AGL at ignition...otherwise 2100 ft AGL increasing to 4600 ft AGL in the afternoon. Transport winds.....South 10 to 16 mph. Smoke dispersal.....Fair /17300 knot-ft/ at ignition. Max...excellent /64700 knot-ft/. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 5. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........20 19 19 18 16 13 12 17 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 Temp............48 51 54 57 58 60 61 62 RH..............54 50 45 38 37 35 33 32 20 FT wind dir..S S S S S SE SE SE 20 FT wind spd..8 9 9 9 9 9 9 9 20 FT wind gust.13 13 14 14 14 14 14 15 Mix hgt (kft)...1.4 2.1 3.0 4.0 4.5 4.6 4.6 4.6 Transp wind dir.S S S S S S S S Transp wind spd.14 14 14 15 15 15 15 16 Haines index....4 4 4 5 5 5 5 5 SDspl kt-ft/100017 25 36 52 59 60 60 65 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (55-65 percent). CWR.................10 percent. Temperature.........Min 42. RH..................Max 65 percent. Wind (20 ft)........Southeast winds 9 to 15 mph. Mixing height.......3900 ft AGL decreasing to 500 ft AGL. Transport winds.....Southeast 15 to 17 mph. Smoke dispersal.....Good (59000 knot-ft) early in the evening decreasing to poor (6100 knot-ft) late in the night. 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 (%).........18 20 23 27 52 61 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 10 Temp............63 58 52 50 47 45 RH..............30 37 46 52 58 65 20 ft wind......SE 10 SE 9 SE 11 SE 11 SE 13 SE 13 20 ft wind gust.15 14 16 18 20 21 Mix hgt (ft)....3900 500 500 600 600 600 Transport wind..S 17 SE 15 SE 15 SE 17 SE 17 SE 16 Haines index....5 5 5 5 4 4 SDspl kt-ft/100059 7 6 9 9 9 $$ Forecaster...DB Requested by...Ben Halverson Type of request...PRESCRIBED .TAG 2412397.0/ARX .DELDT 04/25/24 .FormatterVersion 2.0.0 .EMAIL [email protected]