The vast flood plains that surround the Mississippi and Missouri Rivers are prone to frequent flooding. A quarter of the population of the U.S. lives in these plains.
There are also unexpected cloudbursts which can occur in any part of the country, as well as hurricanes along coastal areas that can inundate an area in a matter of hours.
Hikingware.com recommends you follow these guidelines if you live in a flood plain, or are in any danger of becoming a victim of a flood: