093
FNUS73 KABR 100224
FWSABR

Spot Forecast for Richmond Lake...Emergency Management
National Weather Service Aberdeen SD
924 PM CDT Sun Mar 9 2025

Forecast is based on ignition time of 2200 CDT on March 09.
If conditions become unrepresentative...contact the National Weather
Service.

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT MONDAY...
...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

.DISCUSSION...

Light west winds tonight increase through the day Monday ahead of
an approaching dry cold front. Main concerns for erratic fire
behavior begin Monday afternoon as winds gust as high as 45 mph by
late afternoon. Record high temperatures are also expected Monday
leading to minimum relative humidities below 20%. Monday evening,
winds shift to the northwest and then to the north as arctic high
pressure builds in.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (40-50 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 31.
Max humidity........73 percent.
Wind (20 ft)........Southwest winds 9 to 10 mph.
Mixing height.......300-400 ft agl.
Transport winds.....West 10 to 16 mph.
Smoke dispersal.....Poor (3100 knot-ft).

TIME (CDT)      10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  26  35  43  46  48  51  44
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
Chc of ltng (%).0   0   0   0   0   0   0   0
Temp............41  39  40  43  41  39  39  36
RH..............50  54  54  51  56  59  59  66
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..9   10  10  10  10  10  10  10
20 FT wind gust.14  15  16  17  17  17  17  16
Mix hgt (kft)...0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4
Smoke Dispersal.PR  PR  PR  PR  PR  PR  PR  PR

.MONDAY...

Sky/weather.........Partly sunny (25-35 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....Around 72.
Min humidity........16 percent.
Wind (20 ft)........Windy. West winds 10 to 15 mph increasing to
                    around 30 mph with gusts to around 46 mph.
Mixing height.......400-8900 ft agl.
Transport winds.....West 14 to 20 mph increasing to 39 to 40 mph.
Smoke dispersal.....Poor (4400 knot-ft) early in the morning
                    increasing to fair (41500 knot-ft) in the
                    afternoon increasing to excellent (298600
                    knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........37  30  26  22  19  18  18  18  22  27  31  30
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............36  35  34  37  45  52  59  65  68  70  72  69
RH..............70  73  73  63  49  36  28  22  20  17  16  17
20 FT wind dir..SW  SW  SW  SW  W   W   W   W   W   W   W   W
20 FT wind spd..10  10  10  10  12  14  15  20  23  25  28  30
20 FT wind gust.16  15  17  18  20  22  24  31  35  39  43  46
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.5 0.9 1.4 2.4 5.4 7.4 8.9 8.5
Smoke Dispersal.PR  PR  PR  PR  PR  PR  PR  FR  VGD EXL EXL EXL

.MONDAY NIGHT...

Sky/weather.........Partly cloudy (35-45 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....Around 16.
Max humidity........65 percent.
Wind (20 ft)........Windy. Northwest winds 26 to 31 mph with gusts
                    to around 46 mph becoming north 12 to 15 mph.
Mixing height.......1600-6200 ft agl.
Transport winds.....Northwest 29 to 38 mph decreasing to 28 to 33
                    mph early in the evening, then shifting to the
                    north 22 to 30 mph overnight decreasing to 14
                    to 17 mph after 3 am.
Smoke dispersal.....Excellent (203500 knot-ft) decreasing to good
                    (68300 knot-ft) early in the evening decreasing
                    to poor (20400 knot-ft) late in the night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30  30  31  31  32  38  44  50  43  36  30  27
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............68  63  54  48  41  34  30  26  24  22  20  19
RH..............19  21  29  34  47  53  55  57  57  60  62  62
20 FT wind dir..NW  NW  NW  NW  N   N   N   N   N   N   N   N
20 FT wind spd..30  31  29  28  26  25  24  21  17  15  13  12
20 FT wind gust.46  46  44  41  37  36  33  36  31  25  21  17
Mix hgt (kft)...6.2 1.9 1.6 1.9 2.3 2.4 2.5 2.4 2.3 2.1 1.9 1.7
Smoke Dispersal.EXL FR  PR  FR  GD  GD  GD  GD  FR  FR  PR  PR

$$
Forecaster...KK
Requested by...Emergency Management
Type of request...PRESCRIBED
.TAG 2505508.0/ABR
.DELDT 03/09/25
.FormatterVersion 2.0.0
.EMAIL handcountyem@live.com