Spot Forecast Issued by NWS Rapid City, SD
000
FNUS73 KUNR 131516
FWSUNR
Spot Forecast for Airport RX...South Dakota Wildland Fire
National Weather Service Rapid City SD
916 AM MDT Sat Apr 13 2024
Forecast is based on ignition time of 1000 MDT on April 13.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Warm temperatures and low afternoon humidities can be
expected across the area this weekend. Though green-up is
progressing across the area, elevated fire weather conditions are
expected over the spot area. Winds out of the west this morning
will shift to out of the north this afternoon into early evening.
A small chance for rain/thunderstorms over the spot area this
afternoon and evening, but chance of wetting rain is low.
Unsettled and gradually colder weather will return for much of
next week, with good chances for showers and some thunderstorms
Monday afternoon into Tuesday.
.REST OF TODAY...
Sky/weather.........Mostly sunny (25-35 percent). Isolated showers
and thunderstorms in the afternoon.
Max temperature.....Around 82.
Min humidity........15 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts to around 21
mph. Wind shift to the north expected around 3 to 6 PM MDT
Gusty and erratic winds expected near thunderstorms in
the afternoon.
CWR.................0 percent.
LAL.................1 until 1200, then 2.
Haines Index........6 or high potential for large plume dominated
fire growth.
Mixing height.......15900 to 16400 ft agl.
Transport winds.....West around 20 mph.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent). Isolated showers
and thunderstorms in the evening.
Min temperature.....Around 50.
Max humidity........56 percent.
Wind (20 ft)........North winds 5 to 10 mph with gusts to around 16
mph. Gusty and erratic winds expected near
thunderstorms in the evening.
CWR.................0 percent.
LAL.................2 until 2400, then 1.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......500 to 1000 ft agl.
Transport winds.....North 15 to 20 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 77.
Min humidity........22 percent.
Wind (20 ft)........South winds 5 to 15 mph with gusts to around 20
mph.
CWR.................0 percent.
LAL.................1.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
Mixing height.......9600 to 10100 ft agl.
Transport winds.....Southeast around 15 mph increasing to southwest
around 25 mph in the afternoon.
Smoke dispersal.....Excellent.
$$
Forecaster...AD
Requested by...James Bachelor
Type of request...PRESCRIBED
.TAG 2410615.0/UNR
.DELDT 04/13/24
.FormatterVersion 2.0.0
.EMAIL james.bachelor@state.sd.us