323
FNUS73 KABR 060115
FWSABR

Spot Forecast for summit lake gpa...SDGFP
National Weather Service Aberdeen SD
815 PM CDT Tue May 5 2026

Forecast is based on ignition time of 2000 CDT on May 05.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...During the day Wednesday, high pressure will be
working across Wyoming into Nebraska. This should result in
northwest or west-northwest winds across the burn site picking up
into sustained 10 to 15 mph speeds during the morning hours, with
gusts up to 20 to 25 mph, especially from about mid day through
early evening. It`s going to be another cold day, with afternoon
relative humidity expected to bottom out near 40 percent.

.WEDNESDAY...

Sky/weather.........Partly sunny (50-60 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 47.
Min humidity........40 percent.
Wind (20 ft)........Northwest winds 7 to 14 mph.
Mixing height.......200-7300 ft agl.
Transport winds.....Northwest 8 to 17 mph shifting to the west 18
                    to 21 mph late in the afternoon.
Smoke dispersal.....Poor (1300 knot-ft) increasing to very good
                    (108700 knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........37  40  42  37  55  65  72  72  73  66  69  51
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............29  28  32  34  38  39  41  41  43  44  45  45
RH..............75  78  66  61  52  50  44  44  43  41  41  41
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   7   8   9   10  12  13  14  14  14  14  14
20 FT wind gust.10  12  13  15  17  20  21  22  23  23  23  23
Mix hgt (kft)...0.2 0.2 0.8 3.1 5.3 5.7 6.1 6.3 7.2 7.3 6.9 6.8
Smoke Dispersal.PR  PR  PR  FR  GD  GD  GD  GD  VGD VGD VGD VGD

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (35-45 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 32.
Max humidity........72 percent.
Wind (20 ft)........West winds 5 to 13 mph in the evening becoming
                    light, then becoming southwest 5 to 8 mph
                    overnight.
Mixing height.......0-6600 ft agl.
Transport winds.....West 15 to 20 mph shifting to the southwest 5
                    to 13 mph in the late evening and overnight.
Smoke dispersal.....Very good (114700 knot-ft) early in the evening
                    decreasing to good (94100 knot-ft) late in the
                    night decreasing to poor (0 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  60  62  51  31  34  31  42  42  42  50  34
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............45  47  44  41  39  38  36  35  34  33  33  33
RH..............41  40  45  53  57  59  64  66  69  69  69  69
20 FT wind dir..NW  NW  NW  W   W   W   VRB VRB SW  SW  SW  SW
20 FT wind spd..13  12  9   8   6   5   3   3   5   6   7   8
20 FT wind gust.22  20  16  13  9   8   8   8   9   10  12  13
Mix hgt (kft)...6.6 5.9 4.0 1.9 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Smoke Dispersal.VGD GD  FR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...Dorn
Requested by...Cole Driskill
Type of request...PRESCRIBED
.TAG 2612863.0/ABR
.DELDT 05/05/26
.FormatterVersion 2.0.0
.EMAIL cole.driskill@state.sd.us