Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
SLIGHT 122,724 16,728,358 Indianapolis, IN...Kansas City, MO...Wichita, KS...St. Louis, MO...Cincinnati, OH...
MARGINAL 230,447 23,580,218 Detroit, MI...Columbus, OH...Cleveland, OH...Toledo, OH...Lexington-Fayette, KY...