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