Thunderstorm Wind in Allegheny County, Pennsylvania

A microburst with winds up to 85 MPH moved diagonally from northwest to southeast across Allegheny County, leaving a wide swath of damage in its wake. These winds produced an estimated $41 million in damage across the county. Over 125,000 people across the county had their power knocked out by this storm. Across the city of Pittsburgh, the North Hills area reported numerous trees, branches, and power lines down across an area one to two miles wide and nearly five miles in length. Many homes were damaged by falling trees and branches. The Larouche College area was especially hard hit with significant roof and window damage. The roof was torn from a McCandless convent, injuring three nuns.