646
FNUS73 KUNR 211234
FWSUNR

Spot Forecast for Power Dam Road Fire...BIA
National Weather Service Rapid City SD
634 AM MDT Sat Sep 21 2024

Forecast is based on forecast start time of 0600 MDT on September 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Following a cold front, strong north to northwest winds
of 20 to 35 mph with gusts around 45 mph will continue this morning,
and gradually diminish this afternoon and evening. Cooler temperatures
are expected today and Sunday, and dry weather will continue. Winds
will be much calmer on Sunday.

.TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 71.
Min humidity........30 percent.
Wind (20 ft)........Windy. North winds 20 to 35 mph with gusts to
                    around 45 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5200 to 5700 ft agl.
Transport winds.....North 35 to 45 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Min temperature.....Around 43.
Max humidity........84 percent.
Wind (20 ft)........North winds 10 to 20 mph with gusts to around
                    28 mph decreasing to 5 to 10 mph overnight.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....North 10 to 20 mph.
Smoke dispersal.....Poor.

.SUNDAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 70.
Min humidity........29 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph shifting to the
                    southeast in the afternoon.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5900 to 6400 ft agl.
Transport winds.....Northeast around 10 mph shifting to the
                    southeast in the afternoon.
Smoke dispersal.....Fair.

$$
Forecaster...KP
Requested by...Bert Shields
Type of request...WILDFIRE
.TAG 2422392.10/UNR
.DELDT 09/21/24
.FormatterVersion 2.0.0
.EMAIL thodgkiss@mhanation.com,bert.shields@bia.gov