SEVERE THUNDERSTORM WATCH 564 IS IN EFFECT UNTIL 1100 AM EDT FOR THE FOLLOWING LOCATIONS OH . OHIO COUNTIES INCLUDED ARE ASHLAND ASHTABULA AUGLAIZE BELMONT CARROLL CHAMPAIGN CLARK COLUMBIANA COSHOCTON CRAWFORD CUYAHOGA DARKE DELAWARE ERIE FAIRFIELD FAYETTE FRANKLIN GEAUGA GREENE GUERNSEY HANCOCK HARDIN HARRISON HOLMES HURON JEFFERSON KNOX LAKE LICKING LOGAN LORAIN LUCAS MADISON MAHONING MARION MEDINA MERCER MIAMI MONROE MONTGOMERY MORGAN MORROW MUSKINGUM NOBLE OTTAWA PERRY PICKAWAY PORTAGE PREBLE RICHLAND SANDUSKY SENECA SHELBY STARK SUMMIT TRUMBULL TUSCARAWAS UNION WAYNE WOOD WYANDOT