Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
SLIGHT 70,090 24,144,127 Philadelphia, PA...Phoenix, AZ...Baltimore, MD...Washington, DC...Tucson, AZ...
MARGINAL 441,651 45,765,645 New York, NY...Kansas City, MO...Omaha, NE...Raleigh, NC...Newark, NJ...