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Northeast River Forecast Center

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Flash Flood Guidance

Latest 3-hour Flash Flood Guidance Graphic. Click on image to go to an interactive page.

Additional Flash Flood Guidance Graphics

Flash Flood Guidance Text Products

Flash Flood Guidance is an estimate of the amount of rainfall required over a given area during a given duration to cause small streams to flood. These estimates are based on the current soil moisture and stream flow conditions for the area. Flash Flood Guidance is routinely issued by National Weather Service (NWS) River Forecast Centers, and is used by NWS Weather Forecast Offices when issuing Flash Flood Watches and Warnings to the public. Note: Less rainfall is required to produce flash flooding in urban areas.

The Northeast River Forecast Center uses a gridded Flash Flood Guidance System. If you have any questions regarding Flash Flood Guidance, please contact David Vallee, Hydrologist-in-Charge at 508-824-5116 x232 or


Main Link Categories:
Current and Forecast River Conditions Maps, River Forecasts & Information, River Observations, Flash Flood Guidance, Flood Outlook Potential Graphic, Flood Statements, Hydrometeorology, Snow and River Ice, AHPS

US Department of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Northeast River Forecast Center
445 Myles Standish Blvd.
Taunton, MA 02780
Page Author: Northeast River Forecast Center
Page last modified: July 3, 2012
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