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000
FNUS73 KMKX 201347
FWSMKX

Spot Forecast for SCR DNR office RX burn...WI DNR
National Weather Service Milwaukee/Sullivan WI
847 AM CDT Sat Apr 20 2024

Forecast is based on ignition time of 1000 CDT on April 20.

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

.DISCUSSION...

Deep mixing heights are expected to reach around 5700 ft AGL
today. However, clouds developing across the area may keep
temperatures lower and therefore mixing heights lower as well. An
isolated shower or two is possible this afternoon.

Northwesterly winds of 10 to 15 mph will begin to gust around 20
to 25 mph after 1000 CDT. Gusts will continue into early this
afternoon before slowly diminishing to 10 mph with gusts to 15 mph
after 1500 CDT. RH values will fall to 42 percent this afternoon.

.REST OF TODAY...

Sky/weather.........Partly sunny (60-70 percent). Scattered
                    sprinkles in the afternoon.
Temperature.........38 at ignition...Max 47.
RH..................52 percent at ignition...Min 41 percent.
Wind (20 ft)........Winds northwest at 12 mph at
                    ignition...otherwise Northwest winds 10 to 12
                    mph.
Mixing height.......4700 ft AGL at ignition...otherwise 5700 ft
                    AGL.
Transport winds.....Northwest 20 to 23 mph.
Smoke dispersal.....Excellent /94600 knot-ft/ at ignition.
                    Max...excellent /101800 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 (%).........66  65  64  63  65  67  69  67
Weather cov.....            SCT SCT SCT SCT SCT
Weather type....            RW  RW  RW  RW  RW
Tstm cov........
Temp............38  39  41  41  44  45  45  46
RH..............52  52  46  48  45  43  43  42
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..12  12  12  12  12  11  11  10
20 FT wind gust.18  18  18  18  17  17  16  14
Mix hgt (kft)...4.7 5.1 5.2 5.3 5.4 5.7 5.7 5.2
Transp wind dir.W   NW  NW  NW  NW  NW  NW  NW
Transp wind spd.23  22  22  22  21  21  20  20
Haines index....4   4   4   4   4   4   4   4
SDspl kt-ft/100095  98  99  100 98  102 98  89

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (20-30 percent) then becoming
                    clear (0-10 percent). Scattered sprinkles early
                    in the evening. Areas of frost overnight.
                    Widespread frost overnight.
Temperature.........Min 31.
RH..................Max 78 percent.
Wind (20 ft)........West winds 7 to 10 mph.
Mixing height.......400 ft AGL.
Transport winds.....West 12 to 20 mph.
Smoke dispersal.....Excellent (79500 knot-ft) early in the evening
                    decreasing to poor (4200 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 (%).........66  64  58  52  45  33  20  8   5   3   1   1
Weather cov.....SCT                         ARS WID WID WID WID
Weather type....RW                          FST FST FST FST FST
Tstm cov........
Temp............44  43  41  40  38  37  36  35  34  33  32  33
RH..............45  47  52  57  62  64  67  69  72  72  75  72
20 FT wind dir..NW  W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..10  9   8   7   6   6   6   6   6   6   6   6
20 FT wind gust.14  14  13  13  12  11  10  10  10  11  11  11
Mix hgt (kft)...4.7 2.2 0.6 0.6 0.6 0.5 0.5 0.5 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.20  16  12  13  13  13  13  14  13  12  14  13
Haines index....4   4   4   4   4   4   4   4   4   4   4   4
SDspl kt-ft/100080  31  7   6   6   6   5   6   5   4   5   5

$$
Forecaster...MH
Requested by...Julie Widholm
Type of request...PRESCRIBED
.TAG 2411498.0/MKX
.DELDT 04/20/24
.FormatterVersion 2.0.0
.EMAIL julie.widholm@wisconsin.gov