Coastal Flooding Information

7/17/2018 (Permalink)

Coastal/Lakeshore Flood Warning

Flooding that will pose a serious threat to life and property is occurring, imminent, or highly likely. Coastal/Lakeshore Flood Warnings are issued using the Coastal/Lakeshore Hazard Message (CFW) product.

Coastal/Lakeshore Flood Watch

Flooding with significant impact is possible. Coastal/Lakeshore Flood Watches are issued using the Coastal/Lakeshore Hazard Message (CFW) product.

River Flood Statement

This product issued by the local National Weather Service Forecast office (NWFO) to update and expand the information in the River Flood Warning. This statement may be used in lieu of a warning if flooding is forecasted, imminent, or existing and it presents no threat to life or property. The statement will also be used to terminate a River Flood Warning.

River Flood Warning

Flooding is defined as the inundation of normally dry areas as a result of increased water levels in an established water course. The flood warning normally specifies crest information. It usually occurs 6 hours or later after the causative event and it is usually associated with widespread heavy rain and/or snow melt or ice jams.

Urban and Small Stream Flood Advisory

The advisory alerts the public to flooding which is generally only as an inconvenience (not life-threatening) to those living in the affected area. Issued when heavy rain will cause flooding of streets and low-lying places in urban areas. Also used if small rural or urban streams are expected to reach or exceed bankfull. Some damage to homes or roads could occur. 

If you have any questions, please visit our website or give us a call at 508-223-0505. 

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