Suppression Forecast
Issued by NWS Aberdeen, SD

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000
FNUS73 KABR 282120
FWSABR

Spot Forecast for Pelican Lake Recreation Area...State of South Dakota
National Weather Service Aberdeen SD
420 PM CDT Fri Apr 28 2017

Forecast is based on ignition time of 1700 CDT on April 28.
If conditions become unrepresentative...contact the National Weather
Service in Aberdeen SD.

.DISCUSSION...Dry weather will linger through Saturday night
across much of the area, as a ridge of cool and dry high pressure
remains overhead. The gusty afternoon winds will quickly diminish
this evening. Relative humidity recovery tonight should be near 90
percent. Wet weather returns to the prescribed burn area Sunday
through Monday, central South Dakota will stay mainly dry.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent cloud).
Max temperature.....48-53.
Min humidity........34-39 percent.
Wind (20 ft)........Northeast winds around 17 mph with gusts up to
                    25 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......5200-5700 ft agl.
Transport winds.....Northeast 22 to 27 mph.
Smoke dispersal.....Very good.
Haines Index........3 (very low).

TIME (CDT)      5PM 6PM
Sky (%).........75  76
Weather cov.....
Weather type....
Tstm cov........
Temp............49  49
RH..............36  36
20 FT wind dir..NE  NE
20 FT wind spd..14  12
20 FT wind gust.21  19

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent cloud)...then
                    becoming partly cloudy (30-40 percent cloud).
Min temperature.....25-30.
Max humidity........87-92 percent.
Wind (20 ft)........Northeast winds 7 to 15 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......3600-4100 ft agl...decreasing to 100-600 ft agl
                    in the late evening and overnight.
Transport winds.....Northeast 20 to 25 mph...decreasing to 11 to 16
                    mph in the late evening.
Smoke dispersal.....Good...decreasing to poor (2800-3100) in the
                    late evening and overnight.
Haines Index........5 (moderate).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
Sky (%).........77  72  67  62  52  42  32  33  34  35  36  36
Weather cov.....
Weather type....
Tstm cov........
Temp............48  45  42  39  36  34  31  30  29  28  27  27
RH..............37  41  48  54  61  70  81  85  85  88  92  92
20 FT wind dir..NE  NE  N   N   NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..15  13  10  9   8   8   8   7   7   8   7   7
20 FT wind gust.18  14  14  14  10  10  10  10  10  10  10

.SATURDAY...

Sky/weather.........Mostly sunny (45-55 percent cloud).
Max temperature.....51-56.
Min humidity........31-36 percent.
Wind (20 ft)........Northeast winds 6 to 15 mph with gusts up to 20
                    mph...increasing to around 16 mph with gusts up
                    to 25 mph early in the afternoon.
CWR.................0 percent.
LAL.................1.
Mixing height.......100-600 ft agl...increasing to 4600-5600 ft agl
                    in the late morning and afternoon.
Transport winds.....Northeast 11 to 20 mph...increasing to 21 to 26
                    mph in the afternoon.
Smoke dispersal.....Poor...increasing to good (70600-113100) in the
                    late morning and afternoon.
Haines Index........3 (very low).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Sky (%).........37  37  36  36  36  37  38  42  46  50  56  61
Weather cov.....
Weather type....
Tstm cov........
Temp............29  33  39  44  48  50  51  52  53  53  53  52
RH..............85  72  57  47  40  37  36  35  33  33  33  36
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..6   6   8   10  12  13  14  15  16  16  16  16
20 FT wind gust.10  10  10  15  15  15  20  20  25  25  25  25

$$
Forecaster...KF
Requested by...Heath Stone
Type of request...PRESCRIBED
.TAG 1707985.0/ABR
.EMAIL heath.stone@state.sd.us



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