A National Weather Service team will work to determine storm damage in Upton early Thursday morning was caused by a tornado.No injuries have been reported following the storm, which brought down several trees and some power lines. Main Street resident Kyle Griffin was inside his home when the storm began. He said he heard the rocking chairs on his porch being blown around, then a much more frightening sound. “I looked out and heard glass shatter because we had a little skylight on the porch. Then I couldn’t find my roof,” Griffin said.