562
FNUS73 KABR 091258
FWSABR

Spot Forecast for Big Stone Lake State Park RMU 1,6,7...MNDNR
National Weather Service Aberdeen SD
758 AM CDT Thu May 9 2024

Forecast is based on ignition time of 0900 CDT on May 09.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Winds will be out of the north/northeast today between 5 to 10 mph
with gusts up to 15 mph. Minimum relative humidity values will be
around 40% this afternoon. Winds will be increasing out of the
northwest for Friday with gusts 25 to 30 mph.

.REST OF TODAY...

Sky/weather.........Partly sunny (25-35 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 69.
Min humidity........42 percent.
Wind (20 ft)........North winds 6 to 10 mph.
Mixing height.......1300-6800 ft agl.
Transport winds.....North 10 to 16 mph.
Smoke dispersal.....Poor (11900 knot-ft) early in the morning
                    increasing to good (94700 knot-ft) in the
                    afternoon.
Haines Index........4 to 5 or (low) to (moderate).

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........27  26  35  36  35  34  34  37  33
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
Temp............54  58  61  62  64  65  66  67  67
RH..............74  69  65  60  56  52  50  45  43
20 FT wind dir..N   N   N   N   N   N   N   N   N
20 FT wind spd..6   6   7   9   9   10  10  10  10
20 FT wind gust.7   7   9   12  13  13  14  15  15
Mix hgt (kft)...1.3 1.9 2.3 2.8 3.5 5.0 6.1 6.8 6.5
Smoke Dispersal.PR  PR  PR  PR  PR  GD  GD  GD  GD

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 47.
Max humidity........80 percent.
Wind (20 ft)........North winds 5 to 9 mph shifting to the west 5
                    to 6 mph in the late evening and overnight.
Mixing height.......300-6300 ft agl.
Transport winds.....North 7 to 14 mph shifting to the west 6 to 12
                    mph in the late evening and overnight.
Smoke dispersal.....Good (75000 knot-ft) early in the evening
                    decreasing to poor (2200 knot-ft) late in the
                    night.
Haines Index........4 to 5 or (low) to (moderate).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........28  31  27  18  20  21  17  25  20  18  15  19
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............67  67  63  60  57  55  53  52  50  49  49  49
RH..............42  42  50  58  64  69  71  74  77  77  80  80
20 FT wind dir..N   N   NW  W   W   W   W   W   W   W   W   W
20 FT wind spd..9   7   5   5   6   6   5   5   5   6   5   6
20 FT wind gust.13  12  8   7   8   8   7   7   7   7   8   9
Mix hgt (kft)...6.3 5.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.4 0.4
Smoke Dispersal.GD  FR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.FRIDAY...

Sky/weather.........Mostly sunny (15-25 percent).
CWR.................2 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 71.
Min humidity........35 percent.
Wind (20 ft)........Northwest winds 7 to 16 mph increasing to 17 to
                    20 mph late in the morning.
Mixing height.......400-8600 ft agl.
Transport winds.....Northwest 12 to 17 mph increasing to 23 to 31
                    mph in the late morning and afternoon.
Smoke dispersal.....Poor (3600 knot-ft) early in the morning
                    increasing to fair (58200 knot-ft) in the
                    afternoon increasing to very good (136200
                    knot-ft) early in the morning increasing to
                    excellent (223100 knot-ft) in the afternoon
                    late in the morning.
Haines Index........5 (moderate).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23  30  22  9   3   6   15  25  31  34  32  26
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   10  10  0   0   0
Temp............49  51  55  60  64  66  67  69  69  68  70  69
RH..............80  80  74  64  56  48  42  36  35  37  35  35
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   8   12  13  16  17  20  20  20  20  18  17
20 FT wind gust.10  13  17  18  23  24  26  29  29  28  28  26
Mix hgt (kft)...0.4 0.4 0.7 1.5 2.5 5.4 7.6 8.6 7.8 7.9 8.0 6.6
Smoke Dispersal.PR  PR  PR  PR  FR  VGD EXL EXL EXL EXL EXL VGD

$$
Forecaster...MMM
Requested by...Terri Dinesen
Type of request...PRESCRIBED
.TAG 2413597.0/ABR
.DELDT 05/09/24
.FormatterVersion 2.0.0
.EMAIL terri.dinesen@state.mn.us