Tornado warnings for areas to the east of Butler County resulted in a possible tornado in Wayne Township, Armstrong County.

Bill Modzelewski, a meteorologist at the National Weather Service in Pittsburgh, said a barn collapsed and trees were reported to be down on one property there.

He said NWS officials will travel to Armstrong on Friday to complete a storm survey, which will confirm whether a tornado or other weather issue caused the damage.

The survey also will include searching for weather-related damage in other areas of Armstrong County, which abuts Butler County to the east.

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