417
FNUS73 KUNR 181335
FWSUNR

Spot Forecast for Rosbud Community Slash Burn...Rosebud Agency
National Weather Service Rapid City SD
735 AM MDT Sat May 18 2024

Forecast is based on ignition time of 0900 CDT on May 18.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Cooler, dry, and breezy conditions are expected today.
Gusty winds this morning will decrease this afternoon. Southerly
winds will increase late tonight and become gusty. Another cold
front will move through late Sunday with more showers and
thunderstorms.

.REST OF TODAY...

Sky/weather.........Mostly Sunny (10-20 percent).
Max temperature.....Around 70.
Min humidity........25 percent.
Wind (20 ft)........Northwest winds 15 to 25 mph with gusts to 35 mph,
                    decreasing to 10 to 20 mph with gusts to 25 mph
                    in the afternoon.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5900 to 6400 ft agl.
Transport winds.....Northwest around 35 mph decreasing to around 20
                    mph in the afternoon.
Smoke dispersal.....Very good.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent) then becoming
                    mostly cloudy (45-55 percent). Slight chance of
                    showers and thunderstorms overnight.
Min temperature.....Around 52.
Max humidity........64 percent.
Wind (20 ft)........East winds 10 to 15 mph shifting to the south
                    15 to 25 mph overnight. Gusts up to 30 mph.
                    Gusty and erratic winds expected near
                    thunderstorms overnight.
CWR.................0 percent.
LAL.................1 until 2400, then 2.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....East around 15 mph becoming south around
                    35 mph overnight.
Smoke dispersal.....Poor.

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers and thunderstorms in the morning, then
                    chance of showers and thunderstorms in the
                    afternoon.
Max temperature.....Around 81.
Min humidity........44 percent.
Wind (20 ft)........South winds 15 to 25 mph with gusts to around
                    35 mph. Gusty and erratic winds expected near
                    thunderstorms.
CWR.................30 percent.
LAL.................3.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......4100 to 4600 ft agl.
Transport winds.....South 35 to 40 mph.
Smoke dispersal.....Very good.

$$
Forecaster...JJ
Requested by...Bert Shields
Type of request...PRESCRIBED
.TAG 2414575.0/UNR
.DELDT 05/18/24
.FormatterVersion 2.0.0
.EMAIL klyle.golus@bia.gov