Spot Forecast
Issued by NWS Twin Cities, MN
Issued by NWS Twin Cities, MN
310 FNUS73 KMPX 231317 FWSMPX Spot Forecast for WOB_Rx...MN DNR National Weather Service Twin Cities/Chanhassen MN 817 AM CDT Thu May 23 2024 Forecast is based on ignition time of 1000 CDT on May 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... For the WOB_Rx fire, light winds out of the south at ignition will increase to 10-15 mph this afternoon. RH values will be in the upper 50s and low 60s at ignition and are forecast to fall between 40-45 percent this afternoon. Precipitation chances are low today, but showers and thunderstorms will become likely overnight. .REST OF TODAY... Sky/weather.........Mostly sunny (30-40 percent). Temperature.........66 at ignition...Max 77. RH..................63 percent at ignition...Min 43 percent. Wind (20 ft)........Winds south at 2 mph at ignition...otherwise Light winds becoming south 5 to 7 mph late in the morning. Smoke dispersal.....Fair /17000 knot-ft/ at ignition. Max...excellent /82300 knot-ft/. Mixing height.......1900 ft AGL at ignition...otherwise 6300 ft AGL. Transport winds.....South 10 to 16 mph. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM Sky cover.......PC PC PC PC PC PC PC PC PC PC PC PC Weather cov..... Weather type.... Tstm cov........ Temp............66 69 71 73 74 75 76 76 74 73 70 66 RH..............63 57 53 48 46 43 43 43 48 51 59 68 20 FT wind dir..S S S S S S S S SE SE SE SE 20 FT wind spd..2 5 6 6 6 7 7 6 6 6 5 5 20 FT wind gust.9 10 13 14 14 14 14 14 14 13 12 12 Mix hgt (kft)...1.9 3.0 5.5 6.3 6.0 6.2 5.9 4.7 3.0 1.4 0.5 0.5 Transp wind dir.SW SW SW S S S S S S S SE S Transp wind spd.10 14 16 15 15 15 16 16 15 14 13 15 Haines index....5 5 5 5 5 5 5 5 5 5 5 5 .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (60-70 percent). Slight chance of rain showers late in the evening. Chance of rain showers after 3 am. Slight chance of thunderstorms after 3 am. Temperature.........Min 58. RH..................Max 81 percent. Wind (20 ft)........Southeast winds 5 to 9 mph. Gusty and erratic winds expected near thunderstorms after 3 am. Smoke dispersal.....Good (38600 knot-ft) early in the evening decreasing to poor (5500 knot-ft) late in the night. Mixing height.......400 ft AGL. Transport winds.....Southeast 13 to 18 mph. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. .FRIDAY... Sky/weather.........Mostly cloudy (75-85 percent). Rain showers and chance of thunderstorms. Temperature.........Max 70. RH..................Min 62 percent. Wind (20 ft)........Southeast winds 10 to 14 mph shifting to the southwest around 14 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms early in the morning. Gusty and erratic winds expected near thunderstorms in the morning and early afternoon, then gusty and erratic winds expected near thunderstorms late in the afternoon. Smoke dispersal.....Poor (10300 knot-ft) early in the morning increasing to excellent (91200 knot-ft) in the afternoon. Mixing height.......4800 ft AGL. Transport winds.....South 20 to 22 mph shifting to the southwest 21 to 23 mph in the afternoon. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Strus Requested by...Nathan Renk Type of request...PRESCRIBED .TAG 2414995.0/MPX .DELDT 05/23/24 .FormatterVersion 2.0.0 .EMAIL Nate.Renk@state.mn.us