ALERT: November 15 update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. The outage map will be updated each Thursday. We apologize for the service interruption and hope to have the data restored as soon as possible.

Weather Forecast Office New Orleans/Baton Rouge, LA

Lower Mississippi River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CST) Datum: Not Available Metadata

NOTE: Forecasts for the Tchoutacabouffa River near D Iberville are issued routinely year-round.

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Flood Categories (in feet) Major Flood Stage: 18 Moderate Flood Stage: 15 Flood Stage: 8 Action Stage: 8 Low Stage (in feet): -9999 Historic Crests (1) 19.00 ft on 09/30/1998 (2) 18.10 ft on 05/10/1995 (3) 16.80 ft on 08/16/1987 (4) 16.20 ft on 04/02/2005 (5) 15.94 ft on 05/22/1980 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 10.58 ft on 05/17/2015 (2) 10.58 ft on 05/17/2015 (3) 14.50 ft on 04/30/2014 (4) 12.70 ft on 05/02/2013 (5) 13.00 ft on 08/30/2012 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) -15.00 ft on 01/01/1994 (2) 0.80 ft on 10/23/2000 For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer 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

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20	Extensive flooding will occur along the river from the Jackson County line south to Interstate 10 around Campbell Drive and Cortney Lane. Portions of MS Old Highway 15 and Old Highway 67 will be flooded, along with Luckskillet Rd. Evaucations may be necessary.
19	Flood of Record occurred on September 30, 1998. There will be widespread flooding from Mississippi Highway 15 east to the Jackson County line and south to Interstate 10.
18	Major flooding will occur in several homes along the river from about two miles north of the bridge to Interstate 10.
17	Flooding will close most roads, including the Cyprus Creek Road bridge across the river at the Harrison-Jackson county line. Homes below Cyprus Creek west of Mississippi Highway 67 will remain flooded and the Lamey Bridge Road east of the River will remain closed.
12	Lamey Bridge will be closed and Lamey Bridge Road will be impassable from Mason Blvd to Johnson Still Road.
10	Recreational camps will be inaccessable. Property along Lamey Bridge Road will be inundated. The water level will be at the under carriage of the bridge. Strong currents will flow across the bridge approaches.
8	Roads along the river will be impassable. A few homes will be isolated.
7	The banks will overflow a short distance upstream and downstream of Lamey Bridge.

About This Location

Latitude: 30.476111° N, Longitude: 88.893611° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 8 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 0 ft 8 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Flood Damage Costs/Fatalities in the US, 1903 - 2014 AHPS Web Brochure Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 21-Dec-2016 5:20 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities