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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the Lower Mississippi River Forecast Center.
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About this graph
Forecasts for the Mississippi River at Reserve are issued routinely year-round.
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Upstream Gauge - at Donaldsonville Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 24
Flood Stage: 22
Action Stage: 21
Low Stage (in feet): -9999

Historic Crests
(1) 26.00 ft on 06/11/1929
(2) 25.90 ft on 04/28/1945
(3) 25.60 ft on 03/05/1932
(4) 25.60 ft on 02/26/1937
(5) 25.60 ft on 02/10/1950
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(P): Preliminary values subject to further review.

Recent Crests
(1) 24.07 ft on 03/19/2019
(2) 24.07 ft on 03/18/2019
(3) 23.87 ft on 03/19/2018
(4) 22.77 ft on 06/03/2017
(5) 22.97 ft on 06/01/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.10 ft on 02/03/1940
(2) 0.20 ft on 01/13/1964
(3) 0.30 ft on 02/11/1931
(4) 0.40 ft on 12/09/1939
(5) 0.50 ft on 11/01/1930
Show More Low Water Records
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26 Flood of Record occured on June 11, 1929.
24 Slow-bell procedures will be enacted for river transportation.
22 Marine and industrial interests along the river, upstream barge operators, and facilities are impacted. Navigation will become difficult for smaller river craft. Safety precautions for river traffic are urged.

Other Real-time and/or Archive Data Sources:

Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
New Orleans/Baton Rouge Weather Forecast Office
62300 Airport Rd.
Slidell, LA 70460-5243
(504) 522-7330
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Page last modified: 2-Nov-2020 7:29 PM
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