Headline:
Severe Thunderstorm Warning issued August 11 at 8:47PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 7:47pm
Expires:
August 11, 2026 - 8:45pm
Description:
At 847 PM MDT, a severe thunderstorm was located near Quinn, or 22
miles west of Philip, moving southeast at 30 mph.
THIS IS A DESTRUCTIVE STORM FOR WASTA, WALL, QUINN, COTTONWOOD.
HAZARD...80 mph wind gusts and ping pong ball size hail.
SOURCE...Automated observations.
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...
Philip, Wall, Interior, Wasta, Quinn, Grindstone, Cactus Flat,
Cedar Pass, Creighton, Cottonwood, Delta 1 Launch Facility, Delta 9
Missile Silo, Minuteman Missile Visitors Center, Grindstone Butte,
Pinnacles Ranger Station and northeastern Badlands National Park.
This includes Interstate 90 in South Dakota between Mile Markers 94
and 146.
Instruction:
Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced widespread destructive
winds and is capable of producing large hail.
Continuous cloud to ground lightning is occurring with this storm.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
SNM:TORMENTA DE VIENTO DESTRUCTIVA en esta area hasta 945 PM MDT. Tome refugio ahora
Servicio Nacional de Meteorologia: AVISO DE TORMENTA SEVERA en efecto para esta area hasta las 9:45 PM MDT por vientos DESTRUCTIVOS de 80 mph. Tome refugio en un edificio, alejado de las ventanas. Escombros arrastrados por el viento podrian ser mortales para aquellos que se encuentran sin refugio.
Area Description:
Haakon, SD; Jackson, SD; Meade, SD; Pennington, SD
Forcast Office:
NWS Rapid City SD
Sender:
w-nws.webmaster@noaa.gov