Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
ENHANCED 71,476 1,091,985 Fargo, ND...Grand Forks, ND...Moorhead, MN...Aberdeen, SD...Watertown, SD...
SLIGHT 57,687 3,892,288 Minneapolis, MN...St. Paul, MN...Sioux Falls, SD...Bloomington, MN...Plymouth, MN...
MARGINAL 130,336 2,857,758 Abilene, TX...Wichita Falls, TX...Midland, TX...Lawton, OK...Odessa, TX...