By: KDKA-TV News Staff. LAWRENCE COUNTY, Pa. (KDKA) -- A tornado warning was issued for parts of Lawrence and Butler counties on Monday. The National Weather Service said the warning was in effect ...

Weekly county case data prior to Jan. 2021 was not reported by the C.D.C. and is sourced from reporting by The New York Times. The C.D.C. stopped reporting data on cases in May 2023.