GASTONVILLE, Pa. — The National Weather Service said a tornado touched down in Washington County during severe storms on Wednesday. NWS meteorologists said the strong winds came in a straight line from Finleyville. The tornado was an EF-1 and estimated to have reached a peak wind speed of 90 m.p.h. “We’ve seen damage from a tornado. We see uprooted and snapped trees, shingle damage, actually the most structural damage we’ve seen in our survey today,” said NWS meteorologist Matthew Kramar. The Chartiers Township Fire Department posted on Facebook that their department responded to multiple reports of trees and wires down. The majority of the damage was on Silver Maple, Green, Walnut and Locust Streets. Two other tornadoes were confirmed in Butler County.