Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
SLIGHT 21,682 1,609,388 Charleston, WV...Parkersburg, WV...Wheeling, WV...Beckley, WV...Clarksburg, WV...
MARGINAL 58,754 6,383,927 Columbus, OH...Tucson, AZ...Winston-Salem, NC...Roanoke, VA...Casas Adobes, AZ...