046
FNUS73 KLOT 271434
FWSLOT

Spot Forecast for Field Station Pile Burn...National Park Service
National Weather Service Chicago IL
Issued by National Weather Service Milwaukee/Sullivan WI
934 AM CDT Thu Jun 27 2024

Forecast is based on ignition time of 0900 CDT on June 27.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (815) 834-0666 if you have questions
or concerns with this forecast.

.DISCUSSION...

Steady north to northeast winds are expected today, with mixing
heights peaking around 2700 feet AGL. Smoke dispersal values
should be in the good category until early this afternoon, then
fall into the fair category. Minimum relative humidity values of
50 to 55 percent are anticipated this afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Temperature.........66 at ignition...Max 70.
RH..................68 percent at ignition...Min 53 percent.
Wind (20 ft)........Winds northeast at 12 mph at
                    ignition...otherwise North winds 12 to 15 mph
                    decreasing to around 10 mph late in the
                    afternoon.
Chance of pcpn......0 percent.
LAL.................No Tstms.
Transport winds.....North 14 to 17 mph.
Mixing height.......2200 ft AGL at ignition...otherwise 2700 ft
                    AGL.
Smoke dispersal.....Good /32500 knot-ft/ at ignition. Max...good
                    /32500 knot-ft/.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   3   2   2   4   10  17  31  28
Weather cov.....
Weather type....
Temp............66  67  68  69  69  70  70  69  69
RH..............68  65  61  57  55  53  53  55  55
20 FT wind dir..030 030 030 020 020 020 010 020 020
20 FT wind spd..12  12  12  12  12  12  12  12  10
20 FT wind gust.17  16  15  14  14  14  14  14  14
Mix hgt (kft)...2.2 2.3 2.5 2.7 2.6 1.9 1.8 1.6 1.5
Transp wind dir.030 030 030 020 020 010 010 010 020
Transp wind spd.17  16  16  15  14  14  14  14  14
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1
Vrate kt-ft/1K..33  31  33  32  31  23  22  20  18

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy then
                    becoming partly cloudy.
Temperature.........Min 59.
RH..................Max 83 percent.
Wind (20 ft)........Northeast winds 6 to 9 mph shifting to the
                    southeast around 6 mph early in the morning.
Chance of pcpn......10 percent.
LAL.................No Tstms.
Transport winds.....Northeast 10 to 13 mph shifting to the
                    southeast 10 to 15 mph overnight.
Mixing height.......400 ft AGL.
Smoke dispersal.....Fair (16000 knot-ft) early in the evening
                    decreasing to poor (4000 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........37  38  49  47  48  46  66  67  72  76  65  59
Weather cov.....
Weather type....
Temp............67  67  64  63  62  61  60  60  59  59  60  61
RH..............59  59  67  72  75  78  81  81  83  80  78  75
20 FT wind dir..020 030 030 040 060 070 080 090 100 120 130 140
20 FT wind spd..9   8   7   6   6   6   6   6   6   7   7   8
20 FT wind gust.13  13  13  13  12  12  12  12  14  14  14  16
Mix hgt (kft)...1.4 1.3 1.0 0.8 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.5
Transp wind dir.020 020 030 050 050 060 090 100 110 120 130 130
Transp wind spd.13  13  12  12  10  10  10  10  12  13  14  15
Chc of pcpn (%).0   0   0   0   0   10  0   10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Vrate kt-ft/1K..16  14  11  8   5   4   4   4   4   5   6   6

.FRIDAY...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of showers in the afternoon.
Temperature.........Max 81.
RH..................Min 56 percent.
Wind (20 ft)........Southeast winds 7 to 9 mph.
Chance of pcpn......20 percent.
LAL.................No Tstms.
Transport winds.....South 13 to 17 mph.
Mixing height.......3400 ft AGL.
Smoke dispersal.....Poor (3900 knot-ft) early in the morning
                    increasing to good (50500 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........54  46  45  39  55  67  66  72  72  81  85  88
Weather cov.....                            CHC CHC CHC CHC CHC
Weather type....                            RW  RW  RW  RW  RW
Temp............62  65  68  70  72  75  78  80  81  81  80  80
RH..............75  70  68  66  64  60  56  56  56  56  60  60
20 FT wind dir..140 140 150 160 160 170 180 180 180 180 180 190
20 FT wind spd..9   10  12  14  14  13  13  12  12  10  10  9
20 FT wind gust.17  21  23  23  23  21  20  17  17  16  15  14
Mix hgt (kft)...0.5 0.6 1.1 1.6 2.0 2.7 3.3 3.4 2.6 1.5 0.6 0.3
Transp wind dir.140 160 160 170 170 170 180 180 180 180 180 180
Transp wind spd.16  17  17  17  17  17  17  17  16  14  13  14
Chc of pcpn (%).0   10  10  10  10  10  10  20  20  20  20  20
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Vrate kt-ft/1K..7   8   16  23  31  41  49  51  37  18  6   4

$$
Forecaster...Wood
Requested by...Christian Pichay
Type of request...PRESCRIBED
.TAG 2416747.1/LOT
.DELDT 06/27/24
.FormatterVersion 2.0.0