TYPES OF FLOODING - coastal, dam failures, ice jams, rivers, small streams, and urban.
FLOOD WATCH (BE PREPARED) - issued by your local NWS Forecast Office when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.
FLASH FLOOD WARNING (TAKE ACTION) - issued by your local NWS Forecast Office when flooding is imminent or occurring. If you are in a flood prone area move immediately to high ground. A flash flood is a sudden violent flood that can take from minutes to hours to develop. It is even possible to experience a flash flood in areas not immediately receiving rain.
FLOOD ADVISORY (BE AWARE) - issued by your local NWS Forecast Office when flooding is not expected to be bad enough to issue a warning. However, it may cause significant inconvenience, and if caution is not exercised, it could lead to situations that may threaten life and/or property.
MINOR FLOODING - minimal or no property damage, but possibly some public threat or inconvenience.
MODERATE FLOODING - some inundation of structures and roads near streams/rivers; some evacuations of people and/or transfer of property to higher ground elevations necessary.
MAJOR FLOODING - extensive inundation of structures and roads; significant evacuations of people and/or transfer of property to higher elevations.