539
FNUS73 KABR 251243
FWSABR

Spot Forecast for Big Stone Lake State Park RMU 8...MNDNR
National Weather Service Aberdeen SD
743 AM CDT Fri Apr 25 2025

Forecast is based on ignition time of 0800 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...High pressure builds over the region today resulting
in north to northeast winds to 15 mph over the burn site.
Southerly winds increase on Saturday as high pressure shifts east.


.REST OF TODAY...

CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 64.
Min humidity........31 percent.
Wind (20 ft)........North winds 6 to 13 mph.
Mixing height.......800-8600 ft agl.
Transport winds.....North 13 to 20 mph.
Smoke dispersal.....Poor (8300 knot-ft) early in the morning
                    increasing to very good (102100 knot-ft) in the
                    afternoon increasing to very good (112900
                    knot-ft) in the afternoon.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0
Temp............45  48  51  54  56  59  61  62  62  62
RH..............86  77  68  58  47  40  35  32  31  31
20 FT wind dir..N   N   N   N   N   N   N   N   N   N
20 FT wind spd..6   6   7   9   13  13  13  13  12  12
20 FT wind gust.10  12  14  16  17  17  17  17  16  16
Mix hgt (kft)...0.8 1.4 2.2 4.5 6.0 7.1 7.6 8.4 8.6 8.3
Smoke Dispersal.PR  PR  PR  GD  VGD VGD VGD VGD VGD VGD

.TONIGHT...

CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 35.
Max humidity........79 percent.
Wind (20 ft)........Northeast winds 5 to 12 mph shifting to the
                    east around 5 mph overnight, then becoming
                    light after 3 am.
Mixing height.......500-8100 ft agl.
Transport winds.....Northeast 9 to 16 mph shifting to the southeast
                    around 9 mph after 3 am.
Smoke dispersal.....Very good (113200 knot-ft) early in the evening
                    decreasing to good (93200 knot-ft) late in the
                    night decreasing to poor (3800 knot-ft) early
                    in the evening.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
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............62  61  57  53  50  48  47  45  43  42  41  40
RH..............31  32  38  45  50  56  49  53  62  65  65  70
20 FT wind dir..N   NE  NE  NE  NE  NE  E   E   E   E   VRB VRB
20 FT wind spd..12  10  7   7   6   5   5   5   5   5   3   3
20 FT wind gust.16  15  13  10  9   9   9   9   9   8   7   6
Mix hgt (kft)...8.1 7.2 0.7 0.7 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Smoke Dispersal.VGD GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

CWR.................4 percent.
Chance of pcpn......20 percent.
Chance of lightning.3 percent.
Max temperature.....Around 64.
Min humidity........30 percent.
Wind (20 ft)........Light winds becoming southeast 15 to 17 mph.
Mixing height.......500-5300 ft agl.
Transport winds.....South 9 to 18 mph increasing to 20 to 26 mph in
                    the afternoon.
Smoke dispersal.....Poor (3800 knot-ft) early in the morning
                    increasing to good (90700 knot-ft) in the
                    afternoon increasing to very good (107400
                    knot-ft) late in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Chc of pcpn (%).0   0   0   0   0   0   10  0   0   0   20  0
Chc of ltng (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............39  38  42  47  52  56  58  60  61  62  63  62
RH..............73  79  73  65  59  47  40  36  33  31  30  32
20 FT wind dir..VRB SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..3   5   6   7   9   12  13  14  15  16  17  17
20 FT wind gust.6   6   8   12  15  16  17  20  21  22  23  24
Mix hgt (kft)...0.5 0.5 0.8 1.4 2.3 4.0 4.6 5.0 5.1 5.3 5.3 4.9
Smoke Dispersal.PR  PR  PR  PR  PR  GD  GD  GD  VGD VGD VGD VGD

$$
Forecaster...Wise
Requested by...Terri Dinesen Lac qui Parle State Park
Type of request...PRESCRIBED
.TAG 2511779.0/ABR
.DELDT 04/25/25
.FormatterVersion 2.0.0
.EMAIL terri.dinesen@state.mn.us