250
FNUS73 KABR 091337
FWSABR

Spot Forecast for Mickelson RX...SD GFP
National Weather Service Aberdeen SD
837 AM CDT Thu May 9 2024

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

.DISCUSSION...

Winds will be out of the north/northeast this afternoon between 10
to 15 mph. For Friday, winds will turn northwesterly early in the
morning with sustained winds increasing to 15 to 20 mph by the
afternoon with gusts 25 to 30 mph. Minimum relative humidity
values this afternoon will be around 45%, dropping to around 30%
Friday afternoon.

.FRIDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 69.
Min humidity........34 percent.
Wind (20 ft)........Northwest winds 7 to 15 mph increasing to 17 to
                    21 mph late in the morning.
Mixing height.......400-8400 ft agl.
Transport winds.....Northwest 12 to 17 mph increasing to 23 to 30
                    mph in the late morning and afternoon.
Smoke dispersal.....Poor (3800 knot-ft) early in the morning
                    increasing to fair (52200 knot-ft) in the
                    afternoon increasing to very good (122900
                    knot-ft) early in the morning increasing to
                    excellent (218300 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 (%).........31  32  21  18  11  11  22  33  35  30  24  22
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  48  53  57  62  64  65  66  67  67  68  67
RH..............86  86  74  67  60  52  45  40  37  36  34  34
20 FT wind dir..W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   8   10  12  15  17  20  20  21  21  21  20
20 FT wind gust.10  13  16  18  21  23  25  26  28  29  29  28
Mix hgt (kft)...0.4 0.4 0.7 1.3 2.6 5.3 7.2 7.5 7.9 8.3 8.4 7.7
Smoke Dispersal.PR  PR  PR  PR  FR  VGD EXL EXL EXL EXL EXL EXL

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 44.
Max humidity........79 percent.
Wind (20 ft)........Northwest winds 8 to 17 mph decreasing to 6 to
                    7 mph late in the evening, then shifting to the
                    west around 6 mph after 3 am.
Mixing height.......0-6500 ft agl.
Transport winds.....North 20 to 26 mph becoming northwest 8 to 15
                    mph in the late evening and overnight.
Smoke dispersal.....Very good (148500 knot-ft) early in the evening
                    decreasing to fair (55300 knot-ft) late in the
                    night decreasing to poor (400 knot-ft) in the
                    late evening and overnight.
Haines Index........5 (moderate).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........23  20  17  14  11  11  10  10  10  11  11  12
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............66  65  61  57  54  52  50  48  47  46  44  45
RH..............36  38  44  48  55  59  61  66  69  75  78  77
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
20 FT wind spd..17  17  14  10  8   7   7   7   7   6   6   6
20 FT wind gust.25  23  18  15  12  10  12  12  12  10  10  9
Mix hgt (kft)...6.5 5.0 3.3 1.7 0.4 0.1 0.2 0.4 0.4 0.4 0.4 0.3
Smoke Dispersal.VGD VGD FR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...MMM
Requested by...Brett Blank
Type of request...PRESCRIBED
.TAG 2413565.1/ABR
.DELDT 05/09/24
.FormatterVersion 2.0.0
.EMAIL brett.blank@state.sd.us