After a tornado ripped the roof off of a salt barn in Butler County, the NWS was out on Thursday morning surveying the damage.

The National Weather Service in Pittsburgh said Thursday a tornado touched down Wednesday in Washington County. A survey team was on site Thursday afternoon to examine storm damage in Chartiers and North Strabane townships,

UNIONVILLE, Pa. — The National Weather Service confirmed that the tornado that touched down in Butler County was an EF-0. The Unionville Fire Department posted a video of the powerful storm on Wednesday, which blew the roof off of Center Township’s salt shed behind their station. NWS confirmed on Wednesday night that it was a tornado that hit.