Spot Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
063 FNUS73 KMKX 301023 FWSMKX Spot Forecast for Oakfield Breakneck Rx Burn...WISCONSIN DNR National Weather Service Milwaukee/Sullivan WI 523 AM CDT Tue Apr 30 2024 Forecast is based on ignition time of 1000 CDT on April 30. Please contact the National Weather Service if conditions become unrepresentative or if you have questions/concerns about this forecast. .DISCUSSION... Rising dewpoints today should keep RH values from falling below 40 percent at the burn site. Temps will be a bit above normal, with afternoon highs approaching 70. Temps could be a little lower and RH values a bit higher than expected this morning into early afternoon if the current cloud deck lingers. Westerly winds will become southwest this afternoon as a shortwave approaches, with showers expected later this evening into tonight. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Temperature.........54 at ignition...Max 69. RH..................64 percent at ignition...Min 44 percent. Wind (20 ft)........Winds west at 9 mph at ignition...otherwise West winds 7 to 9 mph with gusts to around 16 mph shifting to the southwest around 7 mph late in the afternoon. Mixing height.......3100 ft AGL at ignition...otherwise 3500 ft AGL. Transport winds.....West 12 to 18 mph shifting to the south late in the afternoon. Smoke dispersal.....Good /49000 knot-ft/ at ignition. Max...good /51600 knot-ft/. Haines Index........4 or low potential for large plume dominated fire growth at ignition...max 4. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........55 46 27 19 14 12 9 10 Weather cov..... Weather type.... Tstm cov........ Temp............54 56 59 61 64 66 68 68 RH..............64 59 55 53 50 47 45 45 20 FT wind dir..W W W W W SW SW SW 20 FT wind spd..9 8 8 8 7 7 8 7 20 FT wind gust.16 16 16 16 14 13 11 10 Mix hgt (kft)...3.1 3.1 3.2 3.3 3.4 3.4 3.5 3.3 Transp wind dir.W W W W W W SW S Transp wind spd.18 18 18 15 14 12 12 13 Haines index....4 4 4 4 4 4 4 4 SDspl kt-ft/100049 50 52 43 40 34 35 37 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (75-85 percent). Chance of rain showers in the evening, then rain showers and slight chance of thunderstorms overnight. Temperature.........Min 55. RH..................Max 86 percent. Wind (20 ft)........South winds 7 to 14 mph. Gusts up to 28 mph late in the evening. Gusty and erratic winds expected near thunderstorms overnight. Mixing height.......400 ft AGL. Transport winds.....South 9 to 17 mph increasing to 20 to 23 mph overnight, then shifting to the west around 20 mph early in the morning. Smoke dispersal.....Good (31000 knot-ft) early in the evening decreasing to poor (3700 knot-ft) late in the night. Haines Index........4 or low potential for large plume dominated fire growth. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........9 13 24 48 73 97 100 100 96 70 70 57 Weather cov..... SCH CHC LKY DEF LKY LKY CHC SCH Weather type.... RW RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH Temp............68 66 63 60 58 58 59 59 59 59 59 57 RH..............49 56 60 67 69 72 72 75 78 80 80 83 20 FT wind dir..S S SE SE SE SE S S S S SW SW 20 FT wind spd..6 6 6 8 9 9 10 10 11 13 14 12 20 FT wind gust.10 8 10 13 14 16 17 17 19 21 22 20 Mix hgt (kft)...2.8 0.5 0.4 0.4 0.5 0.5 0.6 0.9 1.1 1.0 1.1 1.0 Transp wind dir.S S SE SE S S S S S SW SW W Transp wind spd.13 9 10 13 16 17 20 21 22 22 23 20 Haines index....4 4 4 4 4 4 4 4 4 4 4 4 SDspl kt-ft/100031 4 4 5 6 8 11 15 20 19 23 18 .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent). Temperature.........Max 70. RH..................Min 36 percent. Wind (20 ft)........West winds 12 to 17 mph with gusts to around 25 mph. Mixing height.......4200 ft AGL. Transport winds.....West 17 to 24 mph shifting to the northwest around 21 mph late in the afternoon. Smoke dispersal.....Fair (14700 knot-ft) early in the morning increasing to excellent (106000 knot-ft) in the afternoon increasing to good (53200 knot-ft) early in the morning increasing to excellent (121400 knot-ft) in the afternoon in the afternoon. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........46 31 29 23 12 13 15 17 20 24 30 40 Weather cov..... Weather type.... Tstm cov........ Temp............57 56 58 59 61 63 65 67 68 68 69 68 RH..............83 83 72 67 60 54 48 43 40 39 37 37 20 FT wind dir..SW W W W W W W W W W W W 20 FT wind spd..11 11 12 14 15 16 17 17 17 15 13 11 20 FT wind gust.18 18 20 22 24 23 24 25 24 22 20 17 Mix hgt (kft)...1.0 1.1 2.0 2.4 3.0 3.4 3.8 4.2 4.2 4.2 4.2 3.0 Transp wind dir.W W W W W W W W W NW NW NW Transp wind spd.17 20 23 24 29 31 32 33 31 29 26 21 Haines index....4 5 5 5 5 5 5 5 5 5 5 5 SDspl kt-ft/100015 19 40 50 75 91 106 121 113 104 96 53 $$ Forecaster...DDV Requested by...Jake Koebernik Type of request...PRESCRIBED .TAG 2412716.0/MKX .DELDT 04/30/24 .FormatterVersion 2.0.0 .EMAIL Koebernik@wisconsin.gov