Headline:
Severe Thunderstorm Warning issued August 12 at 12:47AM CDT until August 12 at 1:15AM CDT by NWS Rapid City SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 10:47pm
Expires:
August 11, 2026 - 11:15pm
Description:
At 1247 AM CDT, severe thunderstorms were located along a line from 8
miles southwest of Winner to 11 miles southeast of Littleburg, or
along a line from 8 miles southwest of Winner to 32 miles southeast
of Mission, moving southeast at 45 mph.
THESE ARE DESTRUCTIVE STORMS FOR WITTEN, KEYAPAHA, WINNER, COLOME.
HAZARD...80 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Winner, Colome, Okreek, Carter, Millboro, Keyapaha, Witten,
Clearfield, Ideal South Housing, Hidden Timber, Wewela, Littleburg,
Sicangu Village, Dog Ear Lake and eastern Rosebud Reservation.
Instruction:
Seek shelter now inside an interior room on the lowest floor of a
well-built structure. These storms are capable of producing
widespread destructive winds and large hail.
This is a dangerous situation with winds expected to produce damage
similar to a tornado. Move to an interior room on the lowest floor of
a well-built structure. Mobile homes and high profile vehicles are at
an enhanced risk for damage.
This storm has a history of producing damaging winds.
Area Description:
Mellette, SD; Todd, SD; Tripp, SD
Forcast Office:
NWS Rapid City SD
Sender:
w-nws.webmaster@noaa.gov