032
FNUS73 KGRB 010922
FWSGRB

Spot Forecast for Dunbar Unit 1...WI DNR
National Weather Service Green Bay WI
422 AM CDT Fri Aug 1 2025

Forecast is based on ignition time of 0600 CDT on August 04.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions or concerns with
this forecast.

.DISCUSSION...

.MONDAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 82.
Min humidity........38 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
                    afternoon.
Mixing height.......9700 ft AGL.
Transport winds.....West 3 to 6 mph shifting to the southwest
                    around 7 mph in the late morning and afternoon.
Smoke dispersal.....Poor (400 knot-ft) early in the morning
                    increasing to good (58300 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........29  27  27  26  26  34  41  49  46  43  40  44
Weather cov.....
Weather type....
Tstm cov........
Temp............57  59  63  68  73  76  78  80  81  81  81  80
RH..............93  87  78  65  55  48  43  39  38  38  39  42
20 FT wind dir..NW  NW  W   S   S   S   S   S   S   S   S   S
20 FT wind spd..1   1   1   2   2   3   3   5   6   6   6   6
20 FT wind gust.5   5   5   6   7   8   10  12  13  13  13  13
Mix hgt (kft)...0.1 0.3 0.8 1.7 3.0 4.9 6.9 8.5 9.5 9.7 8.9 6.6
Transp wind dir.W   W   W   SW  SW  SW  SW  S   S   S   S   S
Transp wind spd.3   3   5   6   7   7   7   7   7   7   7   7
SDspl kt-ft/10000   1   3   9   18  29  42  51  57  58  54  40

.MONDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent).
Min temperature.....Around 57.
Max humidity........93 percent.
Wind (20 ft)........Southeast winds 5 to 6 mph early in the evening
                    becoming light.
Mixing height.......200 ft AGL.
Transport winds.....South 3 to 8 mph.
Smoke dispersal.....Fair (25300 knot-ft) early in the evening
                    decreasing to poor (700 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........47  51  44  36  29  27  26  24  29  33  38  34
Weather cov.....
Weather type....
Tstm cov........
Temp............79  77  74  70  67  65  63  61  60  59  58  58
RH..............44  48  53  61  68  73  78  84  87  90  93  93
20 FT wind dir..SE  SE  S   S   S   S   S   S   S   S   S   SW
20 FT wind spd..6   5   3   3   2   2   2   2   2   1   1   1
20 FT wind gust.13  13  12  9   8   7   7   7   6   5   5   5
Mix hgt (kft)...3.6 1.1 0.3 0.2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.2
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   8   8   7   7   7   7   7   6   6   5   3
SDspl kt-ft/100025  8   2   1   3   2   2   3   2   2   2   1

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Max temperature.....Around 83.
Min humidity........43 percent.
Wind (20 ft)........Light winds becoming south 5 to 7 mph late in
                    the morning.
Mixing height.......9400 ft AGL.
Transport winds.....South 3 to 9 mph.
Smoke dispersal.....Poor (500 knot-ft) early in the morning
                    increasing to excellent (74900 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30  26  28  30  32  35  37  40  39  37  36  34
Weather cov.....
Weather type....
Tstm cov........
Temp............58  60  64  69  74  77  79  81  82  82  82  82
RH..............93  87  78  66  57  52  47  44  43  43  43  44
20 FT wind dir..W   NW  W   S   SE  SE  S   S   S   S   S   S
20 FT wind spd..2   2   2   3   3   5   6   7   7   7   7   7
20 FT wind gust.5   6   7   8   9   10  13  14  15  15  15  15
Mix hgt (kft)...0.2 0.4 0.9 1.7 2.9 4.8 6.9 8.5 9.3 9.4 8.5 6.4
Transp wind dir.SW  SW  SW  S   S   S   S   S   S   S   S   S
Transp wind spd.3   3   5   6   7   8   9   9   9   9   9   9
SDspl kt-ft/10001   1   3   8   18  34  55  68  74  75  68  51

$$
Forecaster...Eckberg
Requested by...Aaron McCullough
Type of request...PRESCRIBED
.TAG 2518950.0/GRB
.DELDT 08/01/25
.FormatterVersion 2.0.0
.EMAIL Aaron.McCullough@Wisconsin.gov