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   Flood & Weather Watch
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Rivers and the Weather - Conditions and Forecast

Weather Forecasts


National Hurricane Center

La. Agriclimatic Information Service

National Weather Service

 

River Forecasts

National Weather Service (NWS) - Lower Mississippi River Forecast Center (LMRFC)

US Geological Survey Hydrowatch

National Weather Service

How is "flood stage" determined on leveed rivers? - April 2002

The National Weather Service (NWS) establishes flood stages on leveed rivers determined by industrial, navigational and recreational use. The definition of flood stage is that river level (height) at which damage begins to occur. In the Mississippi and the Atchafalaya basins, flood stages in some cases (Morgan City is a good example) are set at levels where navigation gets treacherous around bends. In others, like Red River Landing, the impact upon ferry crossings, river islands and farm land on the river side of the levee determines the flood stage. Baton Rouge, New Orleans and other metropolitan areas comprise another case in point. With the protection of the levee system, flood stages are set to reflect the threat to the river service industry and commercial use on the river side of the levee, not the threat to residential danger. In those cases, residential and commercial areas near the river are protected by the levee system to varying elevations much higher than the flood stage. - New Orleans/Baton Rouge Weather Forecast Office and the Lower Mississippi River Forecast Center Slidell, La.

Additional Data Sources, Reports and Summaries

Last Updated: 6/28/2013 7:49:34 AM

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