flash flood

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

flash flood A brief but powerful surge of water that flows either over a surface (‘sheet flood’) or down a normally dry stream channel (‘stream flood’). Usually it is caused by heavy convectional rainfall of short duration, and is typical of semi-arid and desert environments.

views updated

flash flood A brief but powerful surge of water either over a surface (‘sheet flood’) or down a normally dry stream channel (‘stream flood’). Usually it is caused by heavy convectional rainfall of short duration, and is typical of semi-arid and desert environments.

views updated

flash flood • n. a sudden local flood, typically due to heavy rain.