Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
ENHANCED 63,092 4,547,951 Minneapolis, MN...St. Paul, MN...Duluth, MN...Bloomington, MN...Plymouth, MN...
SLIGHT 122,760 5,255,826 Omaha, NE...Lincoln, NE...Des Moines, IA...Rochester, MN...Sioux City, IA...
MARGINAL 236,671 10,879,807 Milwaukee, WI...Madison, WI...Sioux Falls, SD...Savannah, GA...Cedar Rapids, IA...