Suppression Forecast
Issued by NWS Aberdeen, SD

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812
FNUS73 KABR 201231
FWSABR

Spot Forecast for Bergdorf...FWS
National Weather Service Aberdeen SD
731 AM CDT Sun May 20 2018

Forecast is based on ignition time of 1000 CDT on May 20.
If conditions become unrepresentative...contact the National Weather
Service in Aberdeen SD.

.DISCUSSION...High pressure will be the dominant feature today.
Light and variable winds this morning will become easterly around
10 mph this afternoon.

.TODAY...

Sky/weather.........Sunny (0-10 percent cloud). Patchy frost early
                    in the morning.
Max temperature.....65-70.
Min humidity........27-32 percent.
Wind (20 ft)........Light winds becoming northeast around 5 mph
                    early in the morning, then shifting to the east
                    6 to 9 mph early in the morning.
CWR.................0 percent.
LAL.................1.
Mixing height.......100-600 ft agl increasing to 3700-4700 ft agl
                    in the late morning and afternoon.
Transport winds.....East 5 to 14 mph.
Smoke dispersal.....Poor (1500-50600).
Haines Index........3 (very low).

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Sky (%).........2   2   3   3   3   4   5   5   5
Weather cov.....
Weather type....
Tstm cov........
Temp............55  58  60  62  64  65  66  67  66
RH..............55  47  42  39  35  33  31  29  30
20 FT wind dir..SE  E   E   E   E   E   E   E   E
20 FT wind spd..6   7   8   9   9   9   9   9   9
20 FT wind gust.10  10  10  15  15  15  15  15  15

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent cloud).
Min temperature.....43-48.
Max humidity........66-71 percent.
Wind (20 ft)........Southeast winds 5 to 9 mph until early morning
                    becoming light, then becoming southeast around
                    5 mph early in the morning.
CWR.................0 percent.
LAL.................1.
Mixing height.......3000-3500 ft agl decreasing to 100-600 ft agl
                    in the late evening and overnight.
Transport winds.....Southeast 7 to 15 mph.
Smoke dispersal.....Poor (1600-31800).
Haines Index........4 (low).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
Sky (%).........7   9   6   2   5   10  15  19  23  27  29  30
Weather cov.....
Weather type....
Tstm cov........
Temp............64  61  57  54  53  51  50  49  48  47  46  45
RH..............32  41  47  52  54  56  56  58  60  63  65  70
20 FT wind dir..E   E   E   E   SE  SE  SE  SE  VRB VRB VRB SE
20 FT wind spd..9   7   6   6   6   6   6   5   3   3   3   5
20 FT wind gust.15  10  10  10  10  10  10      5   5   5

.MONDAY...

Sky/weather.........Mostly sunny (30-40 percent cloud).
Max temperature.....69-74.
Min humidity........44-49 percent.
Wind (20 ft)........Southeast winds 6 to 10 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......100-600 ft agl increasing to 4800-5800 ft agl
                    in the late morning and afternoon.
Transport winds.....Southeast 10 to 17 mph.
Smoke dispersal.....Poor (2900-43000) increasing to fair
                    (51600-60300) in the afternoon.
Haines Index........3 (very low).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Sky (%).........32  32  31  30  33  40  43  42  40  39  35  27
Weather cov.....
Weather type....
Tstm cov........
Temp............46  50  55  60  64  66  67  68  69  70  71  71
RH..............71  68  64  58  54  50  50  49  49  47  46  47
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..6   7   8   9   10  10  10  10  9   9   9   10
20 FT wind gust.    10  10  10                  10  10  10

$$
Forecaster...Wise
Requested by...RXB2
Type of request...PRESCRIBED
.TAG 1810338.0/ABR
.EMAIL lmnelson@fs.fed.us



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