BUTLER COUNTY, Ky. (WNKY) – The National Weather Service confirmed an EF0 tornado touched down Friday evening in Butler County during a round of severe weather that moved across south-central Kentucky. According to a damage survey released Saturday by the National Weather Service, the tornado developed around 8:02 p.m. EDT just north of Youngtown and remained on the ground for roughly one minute before lifting at 8:03 p.m. Survey crews estimated…