Spot Forecast
Issued by NWS La Crosse, WI
Issued by NWS La Crosse, WI
972 FNUS73 KARX 111315 FWSARX Spot Forecast for Racine Prairie SNA...MN DNR National Weather Service La Crosse WI 815 AM CDT Sat May 11 2024 Forecast is based on ignition time of 0900 CDT on May 11. 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... Northwest winds increase today with gusts 15 to 25 mph, Temps warm to around 70 and resulting afternoon mixing drops dewpoints min humidities to around 25 percent. On Sunday, a cold front will sag southeast across the region, sparking a few showers and storms for the afternoon and evening. Surface winds decrease and shift to the south ahead of this cold front later this evening. .REST OF TODAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Temperature.........55 at ignition...Max 70. RH..................54 percent at ignition...Min 25 percent. Wind (20 ft)........Winds northwest at 9 mph at ignition...otherwise Northwest winds 8 to 11 mph. Mixing height.......1400 ft AGL at ignition...otherwise 2900 ft AGL increasing to 7100 ft AGL. Transport winds.....Northwest 16 to 23 mph. Smoke dispersal.....Fair /19700 knot-ft/ at ignition. Max...excellent /133100 knot-ft/. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........3 3 7 12 17 11 10 9 11 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Temp............55 59 62 65 66 68 69 70 70 RH..............54 48 43 34 30 28 26 25 25 20 FT wind dir..NW NW NW NW NW NW NW NW NW 20 FT wind spd..9 10 10 11 11 11 10 9 8 20 FT wind gust.14 15 18 19 19 19 18 15 13 Mix hgt (kft)...1.4 2.9 4.8 6.0 6.7 7.1 7.1 7.0 6.8 Transp wind dir.NW NW NW NW NW NW NW NW W Transp wind spd.16 20 22 23 23 21 18 17 16 Haines index....5 5 5 5 5 5 5 5 5 SDspl kt-ft/100020 50 92 121 133 128 113 106 95 .TONIGHT... Sky/weather.........Partly cloudy (20-30 percent). CWR.................10 percent. Temperature.........Min 53. RH..................Max 69 percent. Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening becoming light, then becoming south 6 to 9 mph in the late evening and overnight shifting to the southwest around 9 mph. Mixing height.......6100 ft AGL decreasing to 400 ft AGL. Transport winds.....West 7 to 13 mph shifting to the south 6 to 15 mph early in the evening, then shifting to the southwest 16 to 18 mph overnight. Smoke dispersal.....Excellent (67300 knot-ft) early in the evening decreasing to poor (2500 knot-ft) late in the night. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........14 19 17 32 39 31 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 10 10 10 10 0 Temp............70 65 58 56 55 55 RH..............25 38 49 55 59 64 20 ft wind......NW 7 SW 4 S 6 S 7 S 8 SW 9 20 ft wind gust.12 7 8 14 16 15 Mix hgt (ft)....6100 500 400 400 500 500 Transport wind..W 13 SW 6 S 10 S 15 SW 16 SW 18 Haines index....5 5 5 5 5 5 SDspl kt-ft/100067 3 4 6 7 8 .SUNDAY... Sky/weather.........Sunny (15-25 percent). Slight chance of thunderstorms early in the afternoon. Chance of rain showers in the afternoon. Chance of thunderstorms late in the afternoon. CWR.................0 percent increasing to 30 percent in the afternoon. Temperature.........Max 81. RH..................Min 29 percent. Wind (20 ft)........Southwest winds 9 to 15 mph. Gusty and erratic winds expected near thunderstorms early in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......1400 ft AGL increasing to 5700 ft AGL late in the morning, then increasing to 7200 ft AGL late in the afternoon decreasing to 4700 ft AGL late in the afternoon. Smoke dispersal.....Poor (6700 knot-ft) early in the morning increasing to excellent (144200 knot-ft) in the afternoon. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........28 22 12 11 18 27 Weather cov..... CHANCE CHANCE Weather type....NONE NONE NONE NONE RNSHWR RNSHWR Tstm cov........ S CHC CHANCE CWR.............0 0 0 0 30 30 Temp............55 59 70 77 80 81 RH..............66 62 49 35 29 29 20 ft wind......SW 9 SW 11 SW 12 SW 15 W 15 W 13 20 ft wind gust.16 18 20 20 20 20 Mix hgt (ft)....400 600 1400 5700 7000 6700 SDspl kt-ft/10007 11 23 114 141 133 $$ Forecaster...CZ Requested by...Brad Bolduan Type of request...PRESCRIBED .TAG 2413767.0/ARX .DELDT 05/11/24 .FormatterVersion 2.0.0 .EMAIL Brad.Bolduan@state.mn.us