####018002809####
FNUS73 KUNR 231736

FWSUNR



Spot Forecast for Round Park RX...State Of South Dakota Wildland Fire

National Weather Service Rapid City SD

1136 AM MDT Tue Apr 23 2024



Forecast is based on ignition time of 1200 MDT on April 23. 

If conditions become unrepresentative, contact the National Weather

Service.



.DISCUSSION...Very dry conditions are expected both today and

tomorrow. There will some increase in high clouds tomorrow,

especially in the afternoon. Winds Wednesday morning are expected

to be a bit breezy, but should gradually decrease in the

afternoon.



.REST OF TODAY...



Sky/weather.........Mostly sunny (25-35 percent). 

Max temperature.....Around 60. 

Min humidity........21 percent. 

Wind (20 ft)........Northeast winds 10 to 15 mph with gusts to 

                    around 25 mph, gradually decreasing to around

                    10 mph by late afternoon.  

CWR.................0 percent. 

LAL.................1. 

Haines Index........3 or very low potential for large plume 

                    dominated fire growth. 

Mixing height.......5600 to 6600 ft agl. 

Transport winds.....Northeast around 20 mph. 

Smoke dispersal.....Very good. 



.TONIGHT...



Sky/weather.........Partly cloudy (35-45 percent). 

Min temperature.....Around 39. 

Max humidity........57 percent. 

Wind (20 ft)........Southeast winds around 10 mph shifting to the 

                    southwest overnight. 

CWR.................0 percent. 

LAL.................1. 

Haines Index........3 or very low potential for large plume 

                    dominated fire growth. 

Mixing height.......500 to 1000 ft agl. 

Transport winds.....East around 10 mph shifting to the south 

                    overnight. 

Smoke dispersal.....Poor. 



.WEDNESDAY...



Sky/weather.........Mostly sunny early (20-30 percent, becoming 

                    partly clouds (45-55 percent) in the afternoon.

Max temperature.....Around 72.

Min humidity........26 percent.

Wind (20 ft)........South winds 10 to 15 mph with gusts to around

                    22 mph in the morning. Winds gradually

                    turning southeast 8 to 14 mph in 

                    the afternoon.

CWR.................0 percent.

LAL.................1.

Haines Index........4 or low potential for large plume dominated 

                    fire growth.

Mixing height.......5200 to 6200 ft agl.

Transport winds.....South 25 mph in the morning, then southeast 

                    around 15 mph in the afternoon.

Smoke dispersal.....Very good. 



$$

Forecaster...JJ

Requested by...Great Plains Dispatch

Type of request...PRESCRIBED

.TAG 2412003.0/UNR

.DELDT 04/23/24

.FormatterVersion 2.0.0

.EMAIL sdgpc@firenet.gov