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A flood forms when water submerges a typically dry area. This occurs in various ways, commonly when bodies of water, such as rivers, rise over their banks. More »

Floods occur when the ground is incapable of absorbing water from rainfall, melting snow or ice. Each spring, many regions experience warmer temperatures along with heavy precipitation. This is the ideal combination for ... More »

Floods occur when the volume of water contained by the shores of a body of water or the banks of a waterway exceeds the body's capacity. The water moves above and outward from the typical area it occupies. The major caus... More »

www.reference.com Science Weather & Tides Storms
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A flood plain map shows not only bodies of water that flood, but the surrounding area that is prone to flooding as well. This allows communities, government agencies, such as FEMA, and scientists to understand the signif... More »

www.reference.com Science Weather & Tides Storms

To find the flood zones in the Houston, Texas, area, go to the Harris County Flood Control District website and click on "Harris County Flood Education Mapping Tool" under the "Interactive Mapping Tools" menu. The mappin... More »

www.reference.com Science Weather & Tides Storms

A flash flood is a sudden flood in a low-lying area, most commonly caused by periods of particularly heavy rainfall. They can also occur when a dam breaks or a river overruns its banks. Flash floods generally occur over ... More »

FEMA floodplain maps include information about physical features of an area, such as roads and waterways, base flood elevations and depths. The maps also show Special Flood Hazard Areas, flood insurance risk zones, and a... More »

www.reference.com Science Weather & Tides Storms