Spot Forecast Issued by NWS Green Bay, WI
000
FNUS73 KGRB 230959
FWSGRB
Spot Forecast for Daggett GHRA Control Burn...DNR
National Weather Service Green Bay WI
459 AM CDT Tue Apr 23 2024
Forecast is based on ignition time of 0700 CDT on April 23.
If conditions become unrepresentative...contact the National Weather
Service.
Please contact our office if you have questions or concerns with
this forecast.
.DISCUSSION...A strong cold front will arrive at the fire site after
1800. Ahead of the front, a period of elevated fire weather conditions
are possible into early this afternoon, with temps reaching around 70,
RH values dropping to 25-30 percent and southwest winds around 15 mph
shifting west and increasing to around 20 mph by early afternoon.
Mid to late afternoon the approaching front and a strong upper level
disturbance will result in blossoming showers and some thunderstorms
at the fire site, especially after 1500. The showers and storms will
continue into early this evening before ending. Dry and much cooler
weather is then expected Wednesday with RHs lowering to 25 to 30 percent.
Northeast winds will be at or less than 10 mph as high pressure builds
across the region.
.TODAY...
Sky/weather.........Mostly sunny (45-55 percent) then becoming
mostly cloudy (65-75 percent). Rain showers
likely and chance of thunderstorms in the
afternoon, especially after 1500.
Max temperature.....Around 70.
Min humidity........27 percent.
Wind (20 ft)........West winds 10 to 18 mph increasing to 16 to 20
mph late in the afternoon. Gusty and erratic
winds expected near thunderstorms early in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
Mixing height.......9400 ft AGL increasing to 11000 ft AGL late in
the afternoon.
Transport winds.....West 14 to 22 mph increasing to 25 to 28 mph in
the afternoon.
Smoke dispersal.....Poor (5600 knot-ft) early in the morning
increasing to excellent (81400 knot-ft) in the
afternoon increasing to excellent (169700
knot-ft) in the afternoon.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........29 36 42 43 47 49 59 68 70 72 72
Weather cov..... SCH CHC CHC LKY
Weather type.... RW RW RW RW
Tstm cov........ SCH CHC SCH SCH
Temp............48 51 55 61 66 68 70 68 68 66 64
RH..............74 68 57 46 37 32 27 31 31 33 38
20 FT wind dir..SW SW SW W W W W W W W NW
20 FT wind spd..10 12 12 14 15 16 17 18 20 18 16
20 FT wind gust.17 17 18 21 24 26 28 26 25 25 26
Mix hgt (kft)...0.5 0.8 1.2 1.9 4.3 8.0 9.4 11 9.3 7.8 7.1
Transp wind dir.W W W W W W W W W W NW
Transp wind spd.14 14 15 16 22 26 25 28 28 26 28
SDspl kt-ft/10006 10 16 27 81 183 206 265 224 180 170
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
partly cloudy (25-35 percent) then becoming
clear (0-10 percent). Rain showers likely and
chance of thunderstorms in the evening.
Min temperature.....Around 28.
Max humidity........78 percent.
Wind (20 ft)........Northwest winds around 16 mph with gusts to
around 28 mph shifting to the north 9 to 16 mph
with gusts to around 28 mph early in the
evening. Gusty and erratic winds expected near
thunderstorms early in the evening.
Mixing height.......900 ft AGL.
Transport winds.....North 20 to 26 mph shifting to the northeast 13
to 22 mph in the late evening and overnight.
Smoke dispersal.....Excellent (96400 knot-ft) early in the evening
decreasing to poor (10300 knot-ft) late in the
night.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........74 77 76 64 58 47 32 17 13 8 3 2
Weather cov.....LKY CHC SCH CHC
Weather type....RW RW RW RW
Tstm cov........SCH CHC SCH
Temp............62 58 52 48 45 42 38 36 34 32 31 30
RH..............43 49 56 58 58 60 62 64 66 69 72 72
20 FT wind dir..NW N N N NE NE N N N N N N
20 FT wind spd..16 16 16 15 16 15 14 13 12 10 10 9
20 FT wind gust.26 28 28 25 25 25 24 23 22 20 18 18
Mix hgt (kft)...4.2 1.8 1.4 1.5 1.7 2.0 2.3 2.4 2.2 1.7 1.4 0.9
Transp wind dir.NW N N NE NE NE N N NE N N N
Transp wind spd.26 20 20 17 22 21 21 21 20 16 15 13
SDspl kt-ft/100096 31 24 23 33 36 42 43 37 24 18 10
$$
Forecaster...Alumbaugh
Requested by...Andrew Bubolz
Type of request...PRESCRIBED
.TAG 2411826.0/GRB
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL andrew.bubolz@wisconsin.gov