6.30.01 Rapid City, SD

Severe thunderstorms developed over eastern Wyoming and western South Dakota as a weak short wave moved over the area. A storm that formed over the Black Hills earlier in the afternoon produced 1.75 inch hail in Hill City causing damage to vehicles and campers. A multicellular thunderstorm started to develop north of Ellsworth AFB around 530 pm. By 630 pm, the storm was well organized and had a classic supercell appearance. It remained strong for about 1/2 hour before rapidly dissipating.

	552 pm Looking north from south Rapid City.
	612 pm Looking north from I-90, 5 miles west of New Underwood, SD.
	637 pm Looking northwest from 2 miles south of New Underwood, SD.
	638 pm Looking northwest from 2 miles south of New Underwood, SD.
	643 pm Looking northwest from 4 miles south of New Underwood, SD.
	647 pm Looking northwest from 4 miles south of New Underwood, SD.
	705 pm Looking north from 8 miles southeast of New Underwood, SD. The storm rapidly dissipated 5 minutes after.
	A brief funnel formed before the updraft died.