Spot Forecast
Issued by NWS Green Bay, WI

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
000
FNUS73 KGRB 241827
FWSGRB

Spot Forecast for Vista Lake Rx...USFS
National Weather Service Green Bay WI
127 PM CDT Wed Apr 24 2024

Forecast is based on ignition time of 0900 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...Skies will remain mostly clear Thursday as northern WI remains
under the influence of a Hudson Bay high pressure system. RH values at the burn
site will be in the 60s at 7am Thursday but will quickly drop into the
20-25 percent range during the morning hours. Minimum RHs around 20 percent are
expected Thursday afternoon. Temperatures will rise quickly out of the mid 20s during
the morning with a high around 60 degrees expected at the burn site. Light southeast
winds are expected Thursday morning increasing to around 10-15 mph during the afternoon.
Mixing heights should quickly rise from around 1000 ft at 7am to around 6000 ft during
the afternoon.

Southeast winds will increase to 20-30 mph on Friday with gusts over 40 mph possible.
The next chance for showers and some thunderstorms at the fire site will not arrive
until later Friday into Friday night.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 59.
Min humidity........21 percent.
Wind (20 ft)........South winds 5 to 8 mph.
Mixing height.......6600 ft AGL.
Transport winds.....South 6 to 14 mph.
Smoke dispersal.....Poor (12800 knot-ft) early in the morning
                    increasing to excellent (73700 knot-ft) in the
                    afternoon.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   2   2   3   7   11  14  10
Weather cov.....
Weather type....
Tstm cov........
Temp............41  47  50  53  56  57  58  59  58
RH..............46  37  33  28  25  23  22  21  23
20 FT wind dir..SW  SW  S   S   S   S   S   S   S
20 FT wind spd..5   5   5   6   6   7   7   8   8
20 FT wind gust.9   8   8   8   8   9   10  12  13
Mix hgt (kft)...1.6 3.1 4.5 5.1 5.9 6.2 6.4 6.6 6.1
Transp wind dir.SW  SW  S   S   S   S   S   S   S
Transp wind spd.9   6   7   8   8   9   10  12  14
SDspl kt-ft/100013  15  27  36  41  49  58  66  74

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (50-60 percent).
Min temperature.....Around 32.
Max humidity........64 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph.
Mixing height.......600 ft AGL.
Transport winds.....South 13 to 15 mph.
Smoke dispersal.....Excellent (63400 knot-ft) early in the evening
                    decreasing to poor (7300 knot-ft) late in the
                    night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   10  20  30  40  31  22  13  25  38  50  57
Weather cov.....
Weather type....
Tstm cov........
Temp............57  55  50  45  41  39  37  36  35  34  34  34
RH..............25  30  37  45  52  54  54  54  56  58  58  61
20 FT wind dir..S   S   S   S   SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..8   7   7   6   6   5   5   5   5   5   6   7
20 FT wind gust.14  10  9   7   7   6   6   6   7   9   13  15
Mix hgt (kft)...5.3 1.9 1.3 M   1.0 M   M   0.7 M   M   0.6 M
Transp wind dir.S   S   S   M   S   M   M   S   M   M   S   M
Transp wind spd.14  14  13  M   15  M   M   15  M   M   15  M
SDspl kt-ft/100063  23  15  M   13  M   M   9   M   M   7   M

.FRIDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers in the afternoon.
Max temperature.....Around 56.
Min humidity........38 percent.
Wind (20 ft)........Southeast winds 8 to 16 mph. Gusts up to 29
                    mph.
Mixing height.......2800 ft AGL.
Transport winds.....South around 15 mph increasing to southeast 28
                    to 30 mph in the late morning and afternoon.
Smoke dispersal.....Poor (10000 knot-ft) early in the morning
                    increasing to excellent (72900 knot-ft) in the
                    afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........64  71  68  66  63  65  68  70  72  73  75  80
Weather cov.....                            CHC CHC CHC CHC CHC
Weather type....                            RW  RW  RW  RW  RW
Tstm cov........
Temp............34  36  40  44  48  51  52  53  53  53  52  51
RH..............64  61  57  53  47  42  41  39  39  38  39  41
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..8   9   10  12  14  14  15  15  15  15  15  16
20 FT wind gust.17  21  23  25  26  28  28  28  28  28  29  29
Mix hgt (kft)...M   0.8 M   M   2.1 M   M   2.4 M   M   2.8 M
Transp wind dir.M   S   M   M   S   M   M   SE  M   M   SE  M
Transp wind spd.M   15  M   M   28  M   M   29  M   M   30  M
SDspl kt-ft/1000M   10  M   M   51  M   M   59  M   M   73  M

$$
Forecaster...Kaiser
Requested by...Korey Badeau
Type of request...PRESCRIBED
.TAG 2412309.0/GRB
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL korey.badeau@usda.gov


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.