005
WUUS53 KUNR 212113
SVRUNR
SDC033-047-212215-
/O.NEW.KUNR.SV.W.0311.260821T2113Z-260821T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
313 PM MDT Fri Aug 21 2026

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
  South Central Custer County in southwestern South Dakota...
  Northeastern Fall River County in southwestern South Dakota...

* Until 415 PM MDT.

* At 313 PM MDT, a severe thunderstorm was located near Cold Brook
  Reservoir, or 6 miles north of Hot Springs, moving southeast at 25
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage to
           roofs, siding, and trees.

* Locations impacted include...
  Hot Springs, Oral, Buffalo Gap, Smithwick, Maverick Junction,
  Angostura Reservoir, Hay Canyon Butte, Cold Brook Reservoir and
  southern Wind Cave National Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 4349 10360 4361 10341 4331 10300 4326 10300
      4319 10333
TIME...MOT...LOC 2113Z 320DEG 20KT 4352 10346

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Helgeson