National Weather Service Advanced Hydrologic Prediction Service

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Visit https://www.weather.gov/owp/operations for access to new EXPERIMENTAL products and services from the National Water Center: National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook and the National Water Center Visualization Services, a suite of geospatial services depicting River Forecast Center and National Water Model information.

View the Enhanced Operating Capability Products and Services StoryMap here

Weather Forecast Office New Orleans/Baton Rouge, LA

Lower Mississippi River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: Not Available

Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Natalbany River at Baptist are issued routinely year-round.

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Flood Categories (in feet)

Major Flood Stage:	25
Moderate Flood Stage:	20
Flood Stage:	16
Action Stage:	15
Low Stage (in feet):	-9999

Historic Crests
(1) 24.33 ft on 08/13/2016
(2) 20.80 ft on 04/07/1983
(3) 19.76 ft on 03/11/2016
(4) 19.73 ft on 05/03/1953
(5) 18.72 ft on 08/30/2021
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.72 ft on 08/30/2021
(2) 14.46 ft on 05/10/2019
(3) 15.08 ft on 12/28/2018
(4) 13.82 ft on 01/23/2017
(5) 24.33 ft on 08/13/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 11/02/1963
(2) 3.00 ft on 08/31/2000
(3) 3.00 ft on 10/31/2000
(4) 3.05 ft on 10/14/2006
(5) 3.07 ft on 11/20/2005
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:16

	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

If you notice any errors in the below information, please contact our Webmaster
25	There will be moderate overbank flooding adjacent to Interstate 12 between the truck scales and the Holden interchange. Pumpkin Park Campground will be inundated. Highway 190 will be closed between Albany and Baptist as the water level approaches the bridge deck. The parking lot of the truck depot on the right bank near the Highway 190 bridge will begin to flood. Louisiana Highway 1040 will be impassable west of Bankston Road. Bankston Road will be under water.
24	Flood of Record occurred on August 13, 2016.
23	Highway 190 will be closed between Albany and Baptist as the water level approaches the bridge deck. The parking lot of the truck depot on the right bank near the Highway 190 bridge will begin to flood. Louisiana Highway 1040 will be impassable west of Bankston Road. Bankston Road will be under water.
20	Low lying areas between the Natalbany and Little Natalbany Rivers will flood at the 20 foot stage. Recreational camps and a few commercial buildings near the river will flood. At this level, nearly four feet of water will cover low areas near the approach to the Highway 1040 bridge.
18	At 18 feet recreational camps and a few commercial buildings near the river will flood. At this level, nearly four feet of water will cover low areas near the approach to the Highway 1040 bridge.
16	The bridge on Highway 1040 will become impassable with water over the roadway on the west end of the bridge.

About This Location

Latitude: 30.504167° N, Longitude: 90.545833° W, Horizontal Datum: Unknown

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	16 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	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

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Baptist

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Hydrologic Resources

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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
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Page last modified: 2-Nov-2020 7:29 PM

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