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000
FNUS73 KUNR 221433
FWSUNR

Spot Forecast for Pine Ridge Rx...SD-PRA
National Weather Service Rapid City SD
833 AM MDT Mon Apr 22 2024

Forecast is based on ignition time of 0900 MDT on April 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Gusty northwest winds are expected through
Tuesday. Minimum relative humidities will drop to 20 percent
today and 25 percent Wednesday with fair relative humidity
recovery tonight. Looking ahead, dry weather Wednesday will be
replaced by unsettled weather Thursday into the weekend with daily
chance for showers and thunderstorms as well as increasing
chances for wetting rains.

.TODAY...

Sky/weather.........Mostly sunny (20-40 percent).
Max temperature.....Around 65.
Min humidity........20 percent.
Wind (20 ft)........Northwest winds 15 to 25 mph with gusts
                    from 25 to 35 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......6700 to 7200 ft agl.
Transport winds.....Northwest around 25 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent).
Min temperature.....Around 34.
Max humidity........56 percent.
Wind (20 ft)........Northwest winds 5 to 15 mph with gusts to
                    around 20 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Northwest around 20 mph.
Smoke dispersal.....Poor.

.TUESDAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 60.
Min humidity........25 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph shifting to the
                    north in the afternoon. Gusts up to 25 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......7200 to 7700 ft agl.
Transport winds.....North 20 to 30 mph.
Smoke dispersal.....Very good.

$$
Forecaster...EH
Requested by...Fuels Spc
Type of request...PRESCRIBED
.TAG 2411728.0/UNR
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL leland.black@bia.gov