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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office New Orleans/Baton Rouge, LA Lower Mississippi River Forecast Center
Flood Warning
View all valid statements/warnings
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Amite River at Bayou Manchac Stage (ft)Flow (kcfs)Forecast: 2.3 7:00PM May 21, 2013Forecast: 2.3 1:00AM May 22, 2013Forecast: 2.2 7:00AM May 22, 2013Forecast: 2.2 1:00PM May 22, 2013Forecast: 2.3 7:00PM May 22, 2013Forecast: 2.3 1:00AM May 23, 2013Forecast: 2.2 7:00AM May 23, 2013Forecast: 2.2 1:00PM May 23, 2013Forecast: 2.3 7:00PM May 23, 2013Highest Forecast: 2.4 1:00AM May 24, 2013Forecast: 2.2 7:00AM May 24, 2013Forecast: 2.1 1:00PM May 24, 2013Forecast: 2.2 7:00PM May 24, 2013Highest Forecast: 2.4 1:00AM May 25, 2013Forecast: 2.2 7:00AM May 25, 2013Forecast: 2.1 1:00PM May 25, 2013Forecast: 2.1 7:00PM May 25, 2013Forecast: 2.3 1:00AM May 26, 2013Forecast: 2.2 7:00AM May 26, 2013BYML1(plotting HGIRZ) Graph Created (6:24PM May 21, 2013)Forecast (issued 9:34AM May 21)Flood Stage is 9 ft
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NOTE: Gauge readings not routinely updated during non-flooding situations.

NOTE: Forecasts for the Amite River at Bayou Manchac are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Denham Springs Upstream Gauge Downstream Gauge Downstream Gauge - at Little Prairie
Flood Categories (in feet)
Major Flood Stage:15
Moderate Flood Stage:12
Flood Stage:9
Action Stage:7

Historical Crests
(1) 18.85 ft on 04/08/1983
(2) 17.50 ft on 06/10/2001
(3) 17.38 ft on 04/23/1977
(4) 16.70 ft on 01/23/1993
(5) 15.94 ft on 04/25/1979
Show More Historical Crests

Low Water Records
(1) 0.10 ft on 02/19/1996
(2) 0.30 ft on 04/02/1993
(3) 0.40 ft on 07/07/1992
Show More Low Water Records
Legend
Gauge Location
Disclaimer
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
16 HOMES ALONG HIGHLAND ROAD AND BURBANK DRIVE WILL BE FLOODED. BOTH STREETS WILL BE IMPASSABLE. MAJOR ROADS WILL BE IMPASSABLE. ACCESS TO PROPERTY ALONG THE RIVER IS CUT OFF. HOMES ALONG KENDALWOOD ROAD THAT ARE NOT ELEVATED WILL BE FLOODED. EXTENSIVE BACKWATER FLOODING WILL OCCUR ALONG BAYOU FOUNTAIN AND BAYOU MANCHAC
15 MAJOR ROADS WILL BE IMPASSABLE. ACCESS TO PROPERTY ALONG THE RIVER IS CUT OFF. HOMES ALONG KENDALWOOD ROAD THAT ARE NOT ELEVATED WILL BE FLOODED. EXTENSIVE BACKWATER FLOODING WILL OCCUR ALONG BAYOU FOUNTAIN AND BAYOU MANCHAC
14 BACKWATER FLOODING ALONG BAYOU MANCHAC AND BAYOU FOUNTAIN WILL FLOOD HIGHLAND ROAD AND BURBANK DRIVE IN PLACES. MANY HOMES WILL BE THREATENED ALONG THE BAYOUS FROM THEIR AMITE RIVER OUTLETS UPSTREAM TO THE LSU CAMPUS. KENDALWOOD ROAD AND ADJACENT PROPERTY WILL BE INUNDATED. AMITE RIVER ROAD AND HORSESHOE DRIVE WILL REMAIN IMPASSABLE
12 KENDALWOOD ROAD AND ADJACENT PROPERTY WILL BE INUNDATED. BACKWATER MAY FLOOD BAYOU FOUNTAIN AND FLOOD SOME HOMES ON BURBANK DRIVE. MOST SECONDARY ROADS WILL BE MODERATELY FLOODED. AMITE RIVER ROAD AND HORSESHOE DRIVE WILL BE IMPASSABLE. A FEW HOMES ON HORSESHOE DRIVE WILL FLOOD.
10 AMITE RIVER ROAD AND HORSESHOE DRIVE WILL BE IMPASSABLE. A FEW HOMES ON HORSESHOE DRIVE WILL FLOOD. WATER WILL BE APPROACHING KENDALWOOD ROAD AND ACCESS TO PROPERTY WILL BE THREATENED
9 THE RIVER WILL BEGIN TO FLOOD PROPERTY ALONG BAYOU MANCHAC AND THE AMITE RIVER. AMITE RIVER ROAD AND HORSESHOE DRIVE WILL BE FLOODED
About This Location Collapse

Latitude: 30.345278° N, Longitude: 90.897222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0.01 ft 9.01 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Hydrologic Resources Additional Resources
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: 13-Mar-2013 6:27 PM 		Disclaimer
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