Suppression Forecast
Issued by NWS Aberdeen, SD

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FNUS73 KABR 221325
FWSABR

Spot Forecast for Big Stone Piles...USFWS
National Weather Service Aberdeen SD
725 AM CST Thu Feb 22 2018

Forecast is based on ignition time of 1000 MST on February 22.
If conditions become unrepresentative...contact the National Weather
Service in Aberdeen SD.

.DISCUSSION...
Dry conditions are expected until early afternoon. Snow moves in
during the afternoon with 3 to 5 inches expected before it ends tonight.

.TODAY...

Sky/weather.........Partly sunny (55-65 percent cloud), then
                    becoming cloudy (90-100 percent cloud). A
                    chance of snow early in the afternoon. Snow likely
                    later in the afternoon.
Max temperature.....23-28.
Min humidity........66-71 percent.
Wind (20 ft)........East winds 6 to 10 mph.
CWR.................100 percent.
LAL.................1.
Mixing height.......800-1800 ft agl.
Transport winds.....East 10 to 16 mph.
Smoke dispersal.....Poor (2500-24300).
Haines Index........2 (very low).

TIME (MST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  93  96  94  96  99  100 100
Weather cov.....        CHC LKY DEF DEF DEF DEF
Weather type....        SN  SN  SN  SN  SN  SN
Tstm cov........
Temp............18  20  23  25  25  24  22  21
RH..............77  78  75  71  74  77  84  88
20 FT wind dir..SE  SE  SE  SE  E   E   E   E
20 FT wind spd..9   10  9   9   9   9   8   8
20 FT wind gust.15  15  15  15  15  15  10  10

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent cloud). Snow in
                    the evening, then a chance of snow after
                    midnight. Snow may be heavy at times in the
                    evening.
Min temperature.....11-16.
Max humidity........95-100 percent.
Wind (20 ft)........East winds 6 to 7 mph early in the evening,
                    becoming light and variable, then, becoming
                    northwest 6 to 8 mph after midnight.
CWR.................100 percent, decreasing to 0 percent late.
LAL.................1.
Mixing height.......400-1400 ft agl.
Transport winds.....East 13 to 18 mph, becoming northeast 1 to 6
                    mph late in the evening, then, becoming
                    northwest 10 to 16 mph after midnight.
Smoke dispersal.....Poor (900-15800).
Haines Index........2 (very low).

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........99  99  99  99  98  98  95  91  88  81  73  65
Weather cov.....DEF DEF DEF DEF LKY LKY CHC SCH SCH
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
Temp............21  21  21  21  21  20  19  18  17  15  14  14
RH..............88  88  88  88  92  96  96  96  96  100 100 96
20 FT wind dir..E   E   E   E   E   E   N   NW  NW  NW  NW  NW
20 FT wind spd..7   7   7   6   3   3   3   3   5   6   7   8
20 FT wind gust.10  10  10  10  5   5   5   5       10  10  10

.FRIDAY...

Sky/weather.........Partly sunny (55-65 percent cloud).
Max temperature.....25-30.
Min humidity........69-74 percent.
Wind (20 ft)........West winds 6 to 10 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......1400-2400 ft agl, decreasing to 300 ft agl
                    late.
Transport winds.....Northwest 13 to 19 mph, becoming west around 9
                    mph late.
Smoke dispersal.....Poor (2000-36000).
Haines Index........2 (very low).

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........63  59  57  58  59  60  58  54  52  52  52  52
Weather cov.....
Weather type....
Tstm cov........
Temp............14  16  17  20  22  24  26  27  26  24  21  18
RH..............96  88  88  81  81  77  74  71  74  77  81  88
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W
20 FT wind spd..8   9   9   9   10  10  10  10  9   8   7   6
20 FT wind gust.10  10  15  15  15  15          10  10

$$
Forecaster...TDK
Requested by...Phil Millette
Type of request...PRESCRIBED
.TAG 1802355.0/ABR
.EMAIL phil_millette@fws.gov



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