Day 1 Tornado Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
5 % 17,635 452,158 Wichita Falls, TX...Lawton, OK...Altus, OK...Burkburnett, TX...Vernon, TX...
2 % 267,490 46,562,614 Chicago, IL...Detroit, MI...Indianapolis, IN...Columbus, OH...Milwaukee, WI...