989
FNUS73 KUNR 292105
FWSUNR

Spot Forecast for Ecoffey RX...SD-PPA
National Weather Service Rapid City SD
305 PM MDT Sat Jun 29 2024

Forecast is based on ignition time of 1500 MDT on June 29.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Mostly clear conditions are expected through Sunday
with a slight chance of a shower or thunderstorm late tonight into
Sunday morning. Chances for any wetting rain is very low.
Northeasterly winds this afternoon will gradually becoming
southeasterly tonight and increase. Breezy conditions can
be expected overnight and Sunday.

.REST OF TODAY...

Sky/weather.........Mostly sunny (10-20 percent).
Max temperature.....Around 75.
Min humidity........35-39 percent.
Wind (20 ft)........Northeast winds around 6 to 12 mph with gusts to
                    around 17 mph, becoming east late.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......5500 to 6000 ft agl.
Transport winds.....Northeast around 20 mph.
Smoke dispersal.....Good.

.TONIGHT...

Sky/weather.........Mostly clear (10-25 percent). Slight chance of
                    showers and thunderstorms after midnight.
Min temperature.....Around 58.
Max humidity........75-80 percent.
Wind (20 ft)........East winds 8 to 15 mph becoming southeast 10 to
                    18 mph with gusts to around 25 mph around
                    midnight. Gusty and erratic winds expected
                    near any thunderstorms overnight.
CWR.................5 percent.
LAL.................1 until 2400, then 2.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Southeast around 25 mph increasing to around 35
                    mph overnight.
Smoke dispersal.....Poor.

.SUNDAY...

Sky/weather.........Mostly sunny (10-20 percent). Slight chance of
                    showers and thunderstorms in the morning.
Max temperature.....Around 86.
Min humidity........39-43 percent.
Wind (20 ft)........Breezy. South-southeast winds 15 to 25 mph with
                    gusts to around 35 mph. Gusty and erratic winds
                    expected near thunderstorms in the morning.
CWR.................5 percent.
LAL.................2 until 1200, then 1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......3700 to 4200 ft agl.
Transport winds.....South around 40 mph.
Smoke dispersal.....Good to very good after 1000 AM.

$$
Forecaster...ST
Requested by...RXB2 Bauer
Type of request...PRESCRIBED
.TAG 2416931.0/UNR
.DELDT 06/29/24
.FormatterVersion 2.0.0
.EMAIL Justin.bauer@bia.gov