Text Products for FWS Issued by GRB

Spot Forecast
Issued by NWS Green Bay, WI
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000
FNUS73 KGRB 211455
FWSGRB

Spot Forecast for 107 Wildlife...WI-MEA
National Weather Service Green Bay WI
955 AM CDT Sun Apr 21 2024

Forecast is based on ignition time of 1000 CDT on April 21.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Dry and warm conditions are expected today. Temperatures currently
in the middle 40s will steadily rise to the middle to upper 50s by
the afternoon. Winds at ignition time will be around 8 to 12 mph
and will increase in the early afternoon to around 10 to 15 mph.
Wind gusts are possible in the afternoon as well, up to around 20
to 25 mph at times. Winds will then subside again tonight. Between
the increase in winds, temps, and low relative humidity values in
the afternoon, elevated fire weather conditions are expected for
portions of the afternoon.


700 am observed Haines Index at Green Bay...4 - Low

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 58.
Min humidity........25 percent.
Wind (20 ft)........Northwest winds 10 to 14 mph.
Mixing height.......8500 ft AGL.
Transport winds.....Northwest 21 to 24 mph.
Smoke dispersal.....Excellent (94300 knot-ft).

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6   15  24  33  35  38  40  39
Weather cov.....
Weather type....
Tstm cov........
Temp............45  50  52  54  56  57  57  58
RH..............43  37  33  30  26  25  25  25
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW
20 FT wind spd..10  12  13  13  14  14  14  13
20 FT wind gust.17  20  20  21  22  22  22  21
Mix hgt (kft)...5.2 6.1 6.8 7.3 7.8 8.3 8.5 7.9
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.21  22  23  23  23  24  24  24
SDspl kt-ft/100094  116 137 147 156 173 178 166

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 31.
Max humidity........85 percent.
Wind (20 ft)........Northwest winds 5 to 12 mph early in the
                    evening becoming light, then becoming southwest
                    around 5 mph after 3 am.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 13 to 22 mph decreasing to 7 to 9 mph
                    early in the evening, then shifting to the
                    northeast 5 to 6 mph late in the evening
                    shifting to the south 6 to 9 mph overnight.
Smoke dispersal.....Excellent (129900 knot-ft) decreasing to fair
                    (16400 knot-ft) early in the evening decreasing
                    to poor (1500 knot-ft) late in the night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........39  38  29  19  10  8   6   4   4   5   5   6
Weather cov.....
Weather type....
Tstm cov........
Temp............56  55  51  46  43  40  38  37  34  34  33  32
RH..............26  29  34  45  53  62  67  70  78  78  82  85
20 FT wind dir..NW  NW  NW  N   N   NE  SE  S   S   SW  SW  SW
20 FT wind spd..12  9   7   5   3   3   3   3   3   5   5   5
20 FT wind gust.18  15  12  7   5   5   5   6   6   7   7   7
Mix hgt (kft)...6.8 1.5 0.8 0.4 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW  N   NW  N   NE  NE  S   S   S   SW  S   SW
Transp wind spd.22  13  9   7   6   5   6   7   8   9   9   9
SDspl kt-ft/1000130 16  6   3   2   2   2   2   3   3   3   3

.MONDAY...

Sky/weather.........Sunny (15-25 percent) then becoming partly
                    sunny (45-55 percent).
Max temperature.....Around 64.
Min humidity........26 percent.
Wind (20 ft)........Southwest winds 5 to 13 mph increasing to 15 to
                    16 mph in the afternoon.
Mixing height.......6200 ft AGL.
Transport winds.....Southwest 10 to 15 mph increasing to 20 to 29
                    mph in the late morning and afternoon.
Smoke dispersal.....Poor (3300 knot-ft) early in the morning
                    increasing to excellent (91500 knot-ft) in the
                    afternoon increasing to excellent (118900
                    knot-ft) in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6   7   14  22  29  32  35  38  37  36  35  51
Weather cov.....
Weather type....
Tstm cov........
Temp............33  34  38  47  53  57  60  62  63  63  64  64
RH..............82  78  70  51  41  34  31  27  26  26  27  28
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   5   6   8   10  13  15  16  16  16  16  16
20 FT wind gust.6   7   9   14  17  20  22  24  25  26  26  26
Mix hgt (kft)...0.4 0.4 0.9 1.5 2.7 4.6 5.4 5.5 6.0 6.2 5.9 5.1
Transp wind dir.SW  SW  W   W   SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.10  10  13  15  20  23  25  26  28  29  29  28
SDspl kt-ft/10003   3   10  20  45  92  119 127 144 155 149 122

$$
Forecaster...Uhlmann
Requested by...Curtis Wayka
Type of request...PRESCRIBED
.TAG 2411598.0/GRB
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL curtisw@mtewood.com
National Weather Service Weather Forecast Office
