636
FNUS73 KUNR 251218
FWSUNR

Spot Forecast for Power Dam Road Fire...BIA
National Weather Service Rapid City SD
618 AM MDT Wed Sep 25 2024

Forecast is based on forecast start time of 0630 MDT on September 25.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Warm, dry, and breezy weather will continue. Light
southwest winds this morning will switch to the south around noon and
become more southeasterly in the afternoon. Tonight, south winds will
become gusty, and remain somewhat strong into Thursday. Thursday
afternoon around 3 PM, a cool front will move through, and winds will
shift to the northwest.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 88.
Min humidity........22 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
                    southeast 10 to 15 mph with gusts up 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.......5500 to 6000 ft agl.
Transport winds.....Southwest around 10 mph increasing to south
                    around 20 mph in the afternoon.
Smoke dispersal.....Very good.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 59.
Max humidity........57 percent.
Wind (20 ft)........South winds 15 to 20 mph with gusts to
                    around 30 mph, shifting to the northwest
                    10 to 20 mph in the late afternoon.
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.....South around 25 mph.
Smoke dispersal.....Poor.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 98.
Min humidity........17 percent.
Wind (20 ft)........South winds 15 to 25 mph with gusts up to
                    40 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......7800 to 8300 ft agl.
Transport winds.....Southwest 30 to 35 mph.
Smoke dispersal.....Excellent.

$$
Forecaster...KP
Requested by...Bert Shields
Type of request...WILDFIRE
.TAG 2422392.15/UNR
.DELDT 09/25/24
.FormatterVersion 2.0.0
.EMAIL bert.shields@bia.gov,thodgkiss@mhanation.com