A center established to provide flight information and alerting services.

Methods of reducing the effects of floods. These methods may be structural solutions (e.g., reservoirs, levees) or nonstructural (e.g., land- use planning, early warning systems).

Natural marks left on a shoreline, trees, or other objects indicating the maximum stage of floods.

(Also called level basin system.) Irrigation by quickly inundating a flat field to a predetermined depth.

The interval in time between consecutive cycles of tidal floods. See also flood current.

The use of real-time precipitation and streamflow data in rainfall-runoff and streamflow routing models to forecast flow rates and water levels for periods ranging from a few hours to days ahead, depe [..]

Forecasts used to provide warnings for people to evacuate areas threatened by floods, and to help in the operation of flood control structures.

The movement of a tidal current toward the shore or up a tidal river or estuary. See flood tide.

An enlarged stream channel carrying water during floods.

A mass of hummocked ice, formed by the piling up of many ice floes by lateral pressure; an extreme form of pressure ice. It may be more than 50 ft high and resemble an iceberg.