What Is Flood?
When water covers land that is normally dry, from rivers overflowing, heavy rain, snowmelt, or storm surge. In technical terms: The overflow of water onto normally dry land, including riverine flooding when stage exceeds flood stage, areal flooding from prolonged rain, coastal flooding and flash flooding; river flood categories are minor, moderate and major.
Flood In Plain English
When water covers land that is normally dry, from rivers overflowing, heavy rain, snowmelt, or storm surge.
The Technical Definition
The overflow of water onto normally dry land, including riverine flooding when stage exceeds flood stage, areal flooding from prolonged rain, coastal flooding and flash flooding; river flood categories are minor, moderate and major.
