074
FNUS73 KUNR 221338
FWSUNR

Spot Forecast for Tomcat...USFS
National Weather Service Rapid City SD
638 AM MST Wed Jan 22 2025

Forecast is based on ignition time of 0700 MST on January 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Snow will continue today, then end gradually late
tonight. Gusty northwest winds will result in some patchy blowing
snow. Strong transport winds today will result in excellent smoke
dispersal.

.REST OF TODAY...

Sky/weather.........Cloudy (85-95 percent). Snow likely.
Max temperature.....Around 17.
Min humidity........69 percent.
Wind (20 ft)........Northwest winds 15 to 20 mph with gusts to
                    around 35 mph.
CWR.................45 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3500 to 4000 ft agl.
Transport winds.....Northwest around 55 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Snow in the evening,
                    then snow likely overnight.
Min temperature.....Around 7 above.
Max humidity........88 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph with gusts to
                    around 30 mph.
CWR.................50 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1000 to 1500 ft agl.
Transport winds.....Northwest 45 to 50 mph.
Smoke dispersal.....Fair.

.THURSDAY...

Sky/weather.........Partly sunny (60-70 percent) then becoming
                    sunny (15-25 percent). Slight chance of snow in
                    the morning.
Max temperature.....Around 21.
Min humidity........51 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph with gusts to
                    around 25 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2000 to 2500 ft agl.
Transport winds.....Northwest around 45 mph decreasing to around 30
                    mph in the afternoon.
Smoke dispersal.....Good.

$$
Forecaster...13
Requested by...Ben Dempsey
Type of request...PRESCRIBED
.TAG 2501054.0/UNR
.DELDT 01/22/25
.FormatterVersion 2.0.0
.EMAIL benjamin.dempsey@usda.gov