Day 2 Prob. Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
30 % 57,784 6,401,109 Memphis, TN...Louisville, KY...Evansville, IN...Clarksville, TN...Bloomington, IN...
15 % 366,730 48,190,478 Houston, TX...San Antonio, TX...Detroit, MI...Indianapolis, IN...Columbus, OH...
5 % 194,805 33,802,410 Chicago, IL...Dallas, TX...Milwaukee, WI...New Orleans, LA...Arlington, TX...