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Weather Forecast Office Jackson, MS

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 Pearl River at Rockport are issued routinely year-round.

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	39
Moderate Flood Stage:	35
Flood Stage:	25
Action Stage:	24
Low Stage (in feet):	-9999

Historic Crests
(1) 42.83 ft on 04/18/1979
(2) 41.00 ft on 04/26/1874
(3) 40.00 ft on 01/01/1900
(4) 39.16 ft on 02/21/2020
(5) 37.40 ft on 12/23/1961
(6) 36.83 ft on 05/01/1983
(7) 35.79 ft on 04/10/2014
(8) 35.66 ft on 05/05/1991
(9) 35.25 ft on 04/09/1938
(10) 34.96 ft on 01/19/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 34.13 ft on 08/31/2022
(2) 29.09 ft on 04/13/2021 (P)
(3) 32.36 ft on 04/25/2020
(4) 30.55 ft on 03/06/2020
(5) 39.16 ft on 02/21/2020
(6) 34.96 ft on 01/19/2020
(7) 30.73 ft on 05/13/2019
(8) 30.72 ft on 04/20/2019
(9) 32.03 ft on 01/06/2019
(10) 31.04 ft on 04/07/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.11 ft on 10/25/1943
(2) 5.33 ft on 09/30/1994

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

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	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
42.8	Major flooding with widespread disastrous flooding of homes in Rockport and Georgetown and other areas along the river in Simpson and Copiah counties.
39	Major flooding of homes and many primary roads is occurring.
38	The river approaches homes in the Rockport area.
37	Flood water will block off many local access roads near Rockport Road. A tree farm south of Rockport near the bend on the Copiah side of the river is beginning to flood. Sugar Farm Road Closed in Rockport.
36	Moderate flooding begins to threaten homes and many local access roads, especially on the Simpson County side of the river.
34	Hopewell Road closed on Copiah and Simpson County sides of the river.
33	Roads affected by flood waters near the river on the Copiah side of the river... Pearl River Lane off of Hopewell Road. Turner Lane and Lomax Road east of Crystal Springs...Water Park Lane and River Lane near Georgetown...Sugar Farm Road, Camp Lane, and Alderman Lane near Rockport.
30	Water begins to back up into higher agricultural and pasture lands, mainly on the Simpson County side of the river.
25	Widespread flooding of low pastureland and bottomland is occurring.
21	Minor flooding of bottomlands is occurring in the immediate proximity of the river.
Photos (1) Upstream view from the Lower Rockport Road (2) Downstream view from Lower Rockport Road (3) Full Staff Gage - Rockport (4) Lower end of Rockport staff gage

About This Location

Latitude: 31.790830° N, Longitude: 90.142500° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	25 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	180.19 ft	205.19 ft	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 Rockport

Additional Information

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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
Jackson Weather Forecast Office
234 Weather Service Dr.
Jackson, MS 39232
(601) 936-2189
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Page last modified: 2-Nov-2020 7:29 PM

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