Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
ENHANCED 52,145 4,549,969 Minneapolis, MN...St. Paul, MN...Duluth, MN...Bloomington, MN...Plymouth, MN...
SLIGHT 128,940 5,216,636 Omaha, NE...Lincoln, NE...Des Moines, IA...Rochester, MN...Sioux City, IA...
MARGINAL 253,607 12,978,181 Milwaukee, WI...Madison, WI...Sioux Falls, SD...Savannah, GA...Fayetteville, NC...