906
FNUS73 KGRB 191529
FWSGRB

Spot Forecast for BIA LDF Powell Marsh RXB...BIA
National Weather Service Green Bay WI
1029 AM CDT Sun May 19 2024

Forecast is based on ignition time of 1100 CDT on May 19.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...A surface high moving across Wisconsin will make for warm
temperatures, light winds and low relative humidity this afternoon at the
burn site. RH values will be as low as 20-25 percent. Significant rain with
thunderstorms at times is expected Monday and Tuesday.

.REST OF TODAY...

Sky/weather.........Mostly sunny (15-25 percent) then becoming partly
                    sunny (55-65 percent).
Max temperature.....Around 73.
Min humidity........23 percent.
Wind (20 ft)........West winds 6 to 8 mph.
Mixing height.......5600 ft AGL.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....Good (43500 knot-ft) early in the morning
                    increasing to excellent (62700 knot-ft) in the
                    afternoon.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19  55  55  55  64  64  68
Weather cov.....
Weather type....
Tstm cov........
Temp............64  67  70  71  72  73  73
RH..............38  33  27  24  23  23  24
20 FT wind dir..W   W   W   W   W   SW  SW
20 FT wind spd..7   8   7   7   6   6   6
20 FT wind gust.13  13  16  16  15  14  14
Mix hgt (kft)...4.7 5.2 5.4 5.6 5.4 5.3 4.8
Transp wind dir.W   W   W   W   W   SW  SW
Transp wind spd.14  14  13  12  10  10  10
SDspl kt-ft/100057  63  60  56  48  48  44

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Rain showers
                    likely and slight chance of thunderstorms
                    overnight.
Min temperature.....Around 55.
Max humidity........83 percent.
Wind (20 ft)........Southwest winds around 5 mph becoming southeast
                    5 to 7 mph overnight. Gusty and erratic winds
                    expected near thunderstorms after 3 am.
Mixing height.......400 ft AGL.
Transport winds.....South 7 to 12 mph.
Smoke dispersal.....Fair (24400 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 (%).........77  80  82  68  63  71  70  80  83  83  89  88
Weather cov.....                                SCH CHC CHC LKY
Weather type....                                RW  RW  RW  RW
Tstm cov........                                        SCH SCH
Temp............72  71  66  63  61  60  59  60  58  57  58  56
RH..............26  29  37  44  51  55  60  58  62  64  62  72
20 FT wind dir..SW  SW  S   S   E   SE  SE  S   SE  S   SE  SE
20 FT wind spd..5   5   2   5   3   2   3   5   5   6   6   7
20 FT wind gust.13  13  12  10  9   9   9   10  10  12  12  13
Mix hgt (kft)...3.5 1.2 0.7 0.6 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.6
Transp wind dir.SW  S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   8   9   9   8   9   9   10  9   10  10  12
SDspl kt-ft/100024  8   6   5   3   4   4   4   4   5   5   6

.MONDAY...

Sky/weather.........Mostly cloudy (80-90 percent). Rain showers in
                    the morning. Chance of rain showers in the
                    afternoon. Chance of thunderstorms through
                    the day.
Max temperature.....Around 65.
Min humidity........62 percent.
Wind (20 ft)........South winds 7 to 9 mph shifting to the west late
                    in the afternoon. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......1800 ft AGL.
Transport winds.....South 10 to 15 mph shifting to the southwest
                    around 10 mph late in the afternoon.
Smoke dispersal.....Poor (7500 knot-ft) early in the morning
                    increasing to fair (18000 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........89  86  89  90  92  93  94  95  90  86  81  78
Weather cov.....LKY DEF LKY LKY CHC CHC CHC CHC SCH SCH SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH
Temp............56  56  56  58  58  61  62  63  64  65  65  65
RH..............74  77  83  80  83  78  78  78  81  78  78  78
20 FT wind dir..S   SE  S   SE  S   S   S   S   SW  SW  W   W
20 FT wind spd..8   9   8   8   9   7   8   7   7   6   6   6
20 FT wind gust.13  14  15  16  16  16  16  16  16  15  15  14
Mix hgt (kft)...0.7 1.1 1.0 1.1 1.3 1.4 1.4 1.4 1.5 1.7 1.8 1.8
Transp wind dir.SE  S   S   S   S   S   S   S   S   S   SW  SW
Transp wind spd.13  15  15  15  15  15  14  13  12  10  9   8
SDspl kt-ft/10008   14  13  15  17  18  17  15  15  15  15  13

$$
Forecaster...Alumbaugh
Requested by...Weston Olson
Type of request...PRESCRIBED
.TAG 2414643.0/GRB
.DELDT 05/19/24
.FormatterVersion 2.0.0
.EMAIL david.pergolski@bia.gov