Special Weather Statement — Rapid City; Custer Co Plains; Pennington Co Plains; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills Severity: Moderate. Certainty: Observed. At 105 AM MDT, Doppler radar was tracking a strong thunderstorm over Thompson Butte, or 16 miles southeast of Rapid City, moving northeast at 35 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Eastern Rapid City, Rapid Valley, Ellsworth Air Force Base, Box Elder, New Underwood, Hermosa, Caputa, Farmingdale, Folsom, Thompson Butte, Rapid City Airport, Railroad Buttes, Black Gap and Hart Ranch. This includes Interstate 90 in South Dakota between Mile Markers 58 and 88.
The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.