####018004270#### FNUS73 KMPX 051127 FWSMPX Spot Forecast for Prairie Big Woods WMA Rx...Minnesota DNR National Weather Service Twin Cities/Chanhassen MN 627 AM CDT Sun May 5 2024 Forecast is based on ignition time of 0700 CDT on May 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... Light & calm winds at ignition will become southerly by mid to late morning around 5 to 8 mph. Gusts are not forecast to be an issue today. RH values will drop below 40% this afternoon as temperatures warm up quickly with mostly clear skies forecast throughout the day. Transport winds will tick up after 12pm between 10 to 15mph. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Temperature.........41 at ignition...Max 68. RH..................92 percent at ignition...Min 32 percent. Wind (20 ft)........Winds west at 2 mph at ignition...otherwise Light winds becoming south 5 to 7 mph late in the morning, then increasing to around 7 mph late in the afternoon. Smoke dispersal.....Poor /1800 knot-ft/ at ignition. Max...excellent /60100 knot-ft/. Mixing height.......400 ft AGL at ignition...otherwise 6400 ft AGL. Transport winds.....West 5 to 8 mph shifting to the south 8 to 12 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 4. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM Sky cover.......CLR CLR CLR CLR CLR CLR MCR CLR CLR CLR CLR CLR Weather cov..... Weather type.... Tstm cov........ Temp............41 45 50 57 60 62 64 66 67 68 68 67 RH..............92 86 77 57 47 41 37 34 33 32 32 33 20 FT wind dir..W W SW SW SW SW S S S S S S 20 FT wind spd..2 2 2 3 5 5 6 7 7 7 7 8 20 FT wind gust. 3 3 6 7 7 9 10 10 10 10 13 Mix hgt (kft)...0.4 0.4 0.6 2.8 5.1 5.9 6.4 6.3 6.2 6.2 6.0 5.9 Transp wind dir.W W W W W SW SW S S S S S Transp wind spd.6 5 5 6 7 8 9 8 9 10 12 13 Haines index....4 4 4 4 4 4 3 3 3 3 3 3 .TONIGHT... Sky/weather.........Mostly clear (0-10 percent). Temperature.........Min 46. RH..................Max 89 percent. Wind (20 ft)........Southeast winds 6 to 9 mph. Smoke dispersal.....Excellent (65000 knot-ft) early in the evening decreasing to poor (4600 knot-ft) late in the night. Mixing height.......400 ft AGL. Transport winds.....South 12 to 16 mph. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. .MONDAY... Sky/weather.........Mostly sunny (35-45 percent) then becoming mostly cloudy (65-75 percent). Temperature.........Max 72. RH..................Min 46 percent. Wind (20 ft)........Southeast winds 12 to 21 mph with gusts to around 32 mph increasing to 22 to 23 mph with gusts to around 36 mph late in the afternoon. Smoke dispersal.....Poor (6700 knot-ft) early in the morning increasing to excellent (99400 knot-ft) in the afternoon increasing to excellent (90300 knot-ft) late in the afternoon. Mixing height.......4000 ft AGL. Transport winds.....Southeast 16 to 25 mph increasing to 26 to 31 mph late in the morning. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Hewett Requested by...Area Wildlife Supervisor Type of request...PRESCRIBED .TAG 2413172.0/MPX .DELDT 05/05/24 .FormatterVersion 2.0.0 .EMAIL cory.netland@state.mn.us