390
FNUS73 KMKX 061254
FWSMKX

Spot Forecast for Johnson Rx Burn...WDNR
National Weather Service Milwaukee/Sullivan WI
754 AM CDT Tue May 6 2025

Forecast is based on ignition time of 0800 CDT on May 06.

Please contact the National Weather Service if conditions become
unrepresentative or if you have questions/concerns about this forecast.

.DISCUSSION...

Light northwest winds are expected today. Temperatures are expected
to warm into the low to mid 70s, with RH falling to around 35-40
percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Temperature.........53 at ignition...Max 75.
RH..................83 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds northwest at 4 mph at
                    ignition...otherwise Light winds becoming
                    northwest 6 to 7 mph in the late morning and
                    afternoon.
Mixing height.......600 ft AGL at ignition...otherwise 5900 ft AGL.
Transport winds.....Northwest 12 to 14 mph.
Smoke dispersal.....Poor /6100 knot-ft/ at ignition.
                    Max...excellent /70000 knot-ft/.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40  30  28  25  27  29  32  35  34  32
Weather cov.....
Weather type....
Tstm cov........
Temp............53  58  62  65  68  70  72  73  73  74
RH..............83  75  65  58  51  45  39  38  40  35
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..4   6   6   7   7   7   7   7   7   7
20 FT wind gust.10  11  11  10  11  11  11  10  10  10
Mix hgt (kft)...0.6 1.2 2.4 3.8 4.6 5.4 5.7 5.9 5.8 5.6
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.12  12  12  12  13  13  14  12  14  13
SDspl kt-ft/10006   12  24  38  51  60  69  59  70  61

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Temperature.........Min 51.
RH..................Max 89 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening
                    becoming light, then becoming west around 5 mph
                    overnight.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 9 to 13 mph shifting to the west in
                    the late evening and overnight.
Smoke dispersal.....Good (56400 knot-ft) early in the evening
                    decreasing to poor (3100 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........26  20  16  12  8   4   4   3   4   5   8   11
Weather cov.....
Weather type....
Tstm cov........
Temp............73  71  68  64  61  59  57  55  54  53  53  53
RH..............38  44  49  58  67  72  75  80  83  83  83  83
20 FT wind dir..NW  NW  NW  W   W   W   W   W   W   W   W   NW
20 FT wind spd..6   5   4   4   4   4   4   4   5   5   5   5
20 FT wind gust.10  8   7   6   6   6   6   5   6   6   6   7
Mix hgt (kft)...5.1 0.7 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW  NW  W   W   W   W   W   W   W   W   W   W
Transp wind spd.13  9   9   10  9   9   10  10  12  12  12  13
SDspl kt-ft/100056  6   4   4   3   3   4   3   4   4   4   4

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Temperature.........Max 72.
RH..................Min 48 percent.
Wind (20 ft)........Light winds becoming northeast 6 to 12 mph
                    early in the morning, then increasing to 12 to
                    14 mph late in the afternoon.
Mixing height.......3200 ft AGL.
Transport winds.....Northwest 10 to 12 mph shifting to the
                    northeast 10 to 18 mph early in the morning.
Smoke dispersal.....Poor (3500 knot-ft) early in the morning
                    increasing to good (43700 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15  19  21  23  26  29  33  36  40  44  45  46
Weather cov.....
Weather type....
Tstm cov........
Temp............52  54  58  61  65  67  69  71  70  68  68  65
RH..............86  83  72  67  60  56  53  53  53  52  49  52
20 FT wind dir..NW  NW  N   NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..4   4   6   7   8   9   10  11  12  13  14  14
20 FT wind gust.8   8   10  10  10  10  11  12  13  14      16
Mix hgt (kft)...0.4 0.4 0.8 1.1 1.5 2.1 2.7 3.2 3.1 3.0 2.9 2.6
Transp wind dir.NW  N   N   NE  NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.12  10  12  10  12  12  13  14  15  16  17  18
SDspl kt-ft/10004   4   8   10  15  21  29  39  41  42  44  42

$$
Forecaster...Kuroski
Requested by...Cassandra Young
Type of request...PRESCRIBED
.TAG 2513179.0/MKX
.DELDT 05/06/25
.FormatterVersion 2.0.0
.EMAIL cassandra.young@wisconsin.gov