Spot Forecast
Issued by NWS Rapid City, SD

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217
FNUS73 KUNR 231209
FWSUNR

Spot Forecast for Power Dam Road Fire...BIA
National Weather Service Rapid City SD
609 AM MDT Mon Sep 23 2024

Forecast is based on forecast start time of 0600 MDT on September 23.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Warm, dry, and breezy weather is expected today. Winds
will be southwesterly ahead of a cool front this morning, gradually
becoming more northwesterly late morning into early afternoon. A few
light showers will be possible this afternoon and evening, but any
precipitation will be minimal. North to northwest winds will persist
into Tuesday.

.TODAY...

Sky/weather.........Sunny (0-10 percent) then becoming partly sunny
                    (50-60 percent). Slight chance of rain showers
                    in the afternoon.
Max temperature.....Around 82.
Min humidity........22 percent.
Wind (20 ft)........Southwest winds 10 to 20 mph shifting to the
                    northwest in the afternoon. Gusts up to 30 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......8300 to 8800 ft agl.
Transport winds.....Southwest around 25 mph shifting to the
                    northwest in the afternoon.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (25-35 percent). Slight chance of
                    rain showers in the evening.
Min temperature.....Around 49.
Max humidity........82 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........6 or high potential for large plume dominated
                    fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....Northwest 15 to 20 mph.
Smoke dispersal.....Poor.

.TUESDAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 77.
Min humidity........28 percent.
Wind (20 ft)........Northwest winds around 10 mph in the morning,
                    becoming north 10 to 20 mph with gusts to
                    around 30 mph in the afternoon.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......7300 to 7800 ft agl.
Transport winds.....Northwest 20 to 25 mph.
Smoke dispersal.....Excellent.

$$
Forecaster...KP
Requested by...Bert Shields
Type of request...WILDFIRE
.TAG 2422392.13/UNR
.DELDT 09/23/24
.FormatterVersion 2.0.0
.EMAIL bert.shields@bia.gov,thodgkiss@mhanation.com