Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 111805
FWSUNR

Spot Forecast for Legion Lake...State of South Dakota
National Weather Service Rapid City SD
1105 AM MST Mon Dec 11 2017

Forecast is based on request time of 1100 MST on December 11.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Gusty north-northwest winds will continue into the afternoon.
The winds will gradually diminish in strength late this afternoon. Light
downslope/downvalley winds will develop shortly after sunset, with
winds becoming light westerly after midnight.

.REST OF TODAY...

Sky/weather.........Mostly cloudy, becoming partly cloudy late in the afternoon.
Max temperature.....Around 45.
Min humidity........23 percent.
Wind (20 ft)........North-northwest 15 to 20 mph with gusts around 35 mph in
                    exposed areas and on ridge-tops. Winds gradually diminishing
                    in strength late this afternoon.
CWR.................0 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3000 to 3500 ft agl.
Transport winds.....Northwest around 45 mph.
Smoke dispersal.....Very good.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....Around 25.
Max humidity........60 percent.
Wind (20 ft)........Northwest 10 to 15 mph early in the evening.
                    Light downslope/downvalley flow will develop
                    shortly after sunset, then light westerly
                    winds around 5 mph will develop after midnight.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......100 to 600 ft agl.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....Poor.

.TUESDAY...

Sky/weather.........Sunny.
Max temperature.....Around 55.
Min humidity........21 percent.
Wind (20 ft)........Northwest 10 to 15 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......900 to 1400 ft agl.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....Poor.

$$
Forecaster...GR
Requested by...IC
Type of request...WILDFIRE
.TAG 1719826.0/UNR
.EMAIL lillianhufmann@fs.fed.us



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