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Hydrograph River at a Glance Download
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Highest Observation: 4.26 kcfs at 9:00PM Apr 28, 2015Observed: 4.26 kcfs at 10:00PM Apr 28, 2015Highest Observation: 4.26 kcfs at 10:15PM Apr 28, 2015Observed: 4.26 kcfs at 10:30PM Apr 28, 2015Observed: 3.89 kcfs at 12:00AM Apr 29, 2015Observed: 3.89 kcfs at 12:15AM Apr 29, 2015Observed: 3.89 kcfs at 1:00AM Apr 29, 2015Observed: 3.89 kcfs at 1:30AM Apr 29, 2015Observed: 3.89 kcfs at 2:00AM Apr 29, 2015Observed: 3.89 kcfs at 2:30AM Apr 29, 2015Observed: 3.89 kcfs at 3:00AM Apr 29, 2015Observed: 3.89 kcfs at 4:00AM Apr 29, 2015Observed: 3.89 kcfs at 5:00AM Apr 29, 2015Observed: 3.89 kcfs at 6:00AM Apr 29, 2015Observed: 3.89 kcfs at 7:00AM Apr 29, 2015Observed: 3.54 kcfs at 7:07AM Apr 29, 2015Observed: 3.18 kcfs at 9:00AM Apr 29, 2015Observed: 3.18 kcfs at 10:00AM Apr 29, 2015Observed: 3.18 kcfs at 11:00AM Apr 29, 2015Observed: 3.18 kcfs at 11:30AM Apr 29, 2015Observed: 3.18 kcfs at 12:00PM Apr 29, 2015Observed: 3.18 kcfs at 12:30PM Apr 29, 2015Observed: 3.18 kcfs at 1:00PM Apr 29, 2015Observed: 3.18 kcfs at 2:00PM Apr 29, 2015Observed: 3.18 kcfs at 3:00PM Apr 29, 2015Observed: 3.18 kcfs at 4:00PM Apr 29, 2015Observed: 3.18 kcfs at 4:30PM Apr 29, 2015Observed: 3.18 kcfs at 5:00PM Apr 29, 2015Observed: 3.18 kcfs at 5:15PM Apr 29, 2015Observed: 2.83 kcfs at 5:26PM Apr 29, 2015Observed: 2.47 kcfs at 6:00PM Apr 29, 2015Observed: 2.47 kcfs at 7:00PM Apr 29, 2015Observed: 2.47 kcfs at 9:00PM Apr 29, 2015Observed: 1.17 kcfs at 2:00PM Apr 30, 2015Observed: 1.17 kcfs at 3:00PM Apr 30, 2015Observed: 1.17 kcfs at 4:00PM Apr 30, 2015Observed: 1.17 kcfs at 5:00PM Apr 30, 2015Observed: 1.17 kcfs at 5:29PM Apr 30, 2015Observed: 1.17 kcfs at 6:00PM Apr 30, 2015Observed: 1.17 kcfs at 6:59PM Apr 30, 2015Observed: 1.17 kcfs at 7:00PM Apr 30, 2015Observed: 1.17 kcfs at 7:45PM Apr 30, 2015Observed: 1.17 kcfs at 8:00PM Apr 30, 2015Observed: 1.17 kcfs at 8:45PM Apr 30, 2015Observed: 1.17 kcfs at 9:00PM Apr 30, 2015Observed: 1.17 kcfs at 9:44PM Apr 30, 2015Observed: 1.17 kcfs at 10:00PM Apr 30, 2015Observed: 1.17 kcfs at 12:00AM May 01, 2015Observed: 1.17 kcfs at 1:00AM May 01, 2015Observed: 1.17 kcfs at 2:00AM May 01, 2015Observed: 1.17 kcfs at 2:30AM May 01, 2015Observed: 1.17 kcfs at 3:00AM May 01, 2015Observed: 1.17 kcfs at 3:15AM May 01, 2015Observed: 1.17 kcfs at 3:30AM May 01, 2015Observed: 1.17 kcfs at 3:45AM May 01, 2015Observed: 1.17 kcfs at 4:00AM May 01, 2015Observed: 1.17 kcfs at 4:29AM May 01, 2015Observed: 1.17 kcfs at 4:59AM May 01, 2015Observed: 1.17 kcfs at 5:00AM May 01, 2015Observed: 1.17 kcfs at 6:00AM May 01, 2015Observed: 1.17 kcfs at 6:14AM May 01, 2015Observed: 1.17 kcfs at 7:00AM May 01, 2015Observed: 1.17 kcfs at 8:00AM May 01, 2015Observed: 1.17 kcfs at 9:00AM May 01, 2015Observed: 1.17 kcfs at 10:00AM May 01, 2015Observed: 1.17 kcfs at 10:44AM May 01, 2015Observed: 1.17 kcfs at 11:00AM May 01, 2015Observed: 1.17 kcfs at 11:29AM May 01, 2015Observed: 1.17 kcfs at 12:00PM May 01, 2015Observed: 1.17 kcfs at 12:29PM May 01, 2015Observed: 1.17 kcfs at 1:00PM May 01, 2015Observed: 1.17 kcfs at 2:00PM May 01, 2015Observed: 1.17 kcfs at 2:30PM May 01, 2015Observed: 1.17 kcfs at 3:00PM May 01, 2015Observed: 1.17 kcfs at 3:29PM May 01, 2015Observed: 1.17 kcfs at 4:00PM May 01, 2015Observed: 1.17 kcfs at 4:29PM May 01, 2015Observed: 1.17 kcfs at 5:00PM May 01, 2015Observed: 1.17 kcfs at 6:00PM May 01, 2015Observed: 1.17 kcfs at 6:44PM May 01, 2015Observed: 1.17 kcfs at 7:00PM May 01, 2015Observed: 1.11 kcfs at 7:45PM May 01, 2015Observed: 1.17 kcfs at 7:59PM May 01, 2015Observed: 1.11 kcfs at 8:00PM May 01, 2015Observed: 1.17 kcfs at 9:00PM May 01, 2015Observed: 1.17 kcfs at 10:00PM May 01, 2015Observed: 1.17 kcfs at 10:14PM May 01, 2015Observed: 1.17 kcfs at 12:00AM May 02, 2015Observed: 1.17 kcfs at 1:00AM May 02, 2015Observed: 1.17 kcfs at 2:00AM May 02, 2015Observed: 1.17 kcfs at 3:00AM May 02, 2015Observed: 1.17 kcfs at 4:00AM May 02, 2015Observed: 1.11 kcfs at 4:59AM May 02, 2015Observed: 1.17 kcfs at 5:00AM May 02, 2015Observed: 1.17 kcfs at 5:14AM May 02, 2015Observed: 1.17 kcfs at 6:00AM May 02, 2015Observed: 1.17 kcfs at 7:00AM May 02, 2015Observed: 1.17 kcfs at 7:14AM May 02, 2015Observed: 1.17 kcfs at 8:00AM May 02, 2015Observed: 1.17 kcfs at 9:00AM May 02, 2015Observed: 1.11 kcfs at 9:44AM May 02, 2015Observed: 1.17 kcfs at 9:59AM May 02, 2015Observed: 1.11 kcfs at 10:00AM May 02, 2015Observed: 1.17 kcfs at 11:00AM May 02, 2015Observed: 1.17 kcfs at 11:29AM May 02, 2015Observed: 1.17 kcfs at 12:00PM May 02, 2015Observed: 1.11 kcfs at 12:29PM May 02, 2015Observed: 1.17 kcfs at 12:44PM May 02, 2015Observed: 1.17 kcfs at 1:00PM May 02, 2015Observed: 1.17 kcfs at 2:00PM May 02, 2015Observed: 1.17 kcfs at 3:00PM May 02, 2015Observed: 1.11 kcfs at 3:29PM May 02, 2015Observed: 1.17 kcfs at 3:44PM May 02, 2015Observed: 1.17 kcfs at 4:00PM May 02, 2015Observed: 1.11 kcfs at 4:59PM May 02, 2015Observed: 1.17 kcfs at 5:00PM May 02, 2015Observed: 1.17 kcfs at 5:29PM May 02, 2015Observed: 1.17 kcfs at 5:44PM May 02, 2015Observed: 1.17 kcfs at 6:00PM May 02, 2015Observed: 1.17 kcfs at 7:00PM May 02, 2015Observed: 1.17 kcfs at 8:00PM May 02, 2015Observed: 1.11 kcfs at 8:14PM May 02, 2015Observed: 1.17 kcfs at 8:29PM May 02, 2015Observed: 1.17 kcfs at 9:00PM May 02, 2015Observed: 0.84 kcfs at 9:22PM May 02, 2015Observed: 0.51 kcfs at 10:00PM May 02, 2015Observed: 0.51 kcfs at 10:29PM May 02, 2015Observed: 0.51 kcfs at 12:00AM May 03, 2015Observed: 0.48 kcfs at 12:44AM May 03, 2015Observed: 0.51 kcfs at 12:59AM May 03, 2015Observed: 0.48 kcfs at 1:00AM May 03, 2015Observed: 0.51 kcfs at 1:29AM May 03, 2015Observed: 0.51 kcfs at 2:00AM May 03, 2015Observed: 0.51 kcfs at 3:00AM May 03, 2015Observed: 0.51 kcfs at 4:00AM May 03, 2015Observed: 0.51 kcfs at 5:00AM May 03, 2015Observed: 0.51 kcfs at 6:00AM May 03, 2015Observed: 0.51 kcfs at 6:14AM May 03, 2015Observed: 0.25 kcfs at 6:42AM May 03, 2015Observed: 0.25 kcfs at 7:00AM May 03, 2015Observed: 0.25 kcfs at 8:00AM May 03, 2015Observed: 0.26 kcfs at 8:29AM May 03, 2015Observed: 0.26 kcfs at 9:00AM May 03, 2015Observed: 0.26 kcfs at 10:00AM May 03, 2015Observed: 0.26 kcfs at 10:29AM May 03, 2015Observed: 0.26 kcfs at 11:00AM May 03, 2015Observed: 0.26 kcfs at 12:00PM May 03, 2015Observed: 0.26 kcfs at 12:59PM May 03, 2015Observed: 0.26 kcfs at 1:00PM May 03, 2015Observed: 0.26 kcfs at 1:44PM May 03, 2015Observed: 0.26 kcfs at 2:00PM May 03, 2015Observed: 0.24 kcfs at 2:14PM May 03, 2015Observed: 0.26 kcfs at 2:44PM May 03, 2015Observed: 0.26 kcfs at 3:00PM May 03, 2015Observed: 0.26 kcfs at 3:44PM May 03, 2015Observed: 0.24 kcfs at 3:59PM May 03, 2015Observed: 0.26 kcfs at 4:00PM May 03, 2015Observed: 0.26 kcfs at 4:14PM May 03, 2015Observed: 0.26 kcfs at 5:00PM May 03, 2015Observed: 0.26 kcfs at 6:00PM May 03, 2015Observed: 0.26 kcfs at 7:00PM May 03, 2015Highest Forecast: 1.59 kcfs 1:00AM May 04, 2015Forecast: 1.52 kcfs 7:00AM May 04, 2015Forecast: 1.46 kcfs 1:00PM May 04, 2015Forecast: 1.42 kcfs 7:00PM May 04, 2015Forecast: 1.38 kcfs 1:00AM May 05, 2015Forecast: 1.35 kcfs 7:00AM May 05, 2015Forecast: 1.31 kcfs 1:00PM May 05, 2015Forecast: 1.28 kcfs 7:00PM May 05, 2015Forecast: 1.26 kcfs 1:00AM May 06, 2015Forecast: 1.24 kcfs 7:00AM May 06, 2015Forecast: 1.23 kcfs 1:00PM May 06, 2015Forecast: 1.21 kcfs 7:00PM May 06, 2015Forecast: 1.2 kcfs 1:00AM May 07, 2015Forecast: 1.19 kcfs 7:00AM May 07, 2015Forecast: 1.18 kcfs 1:00PM May 07, 2015Forecast: 1.17 kcfs 7:00PM May 07, 2015Forecast: 1.15 kcfs 1:00AM May 08, 2015Forecast: 1.14 kcfs 7:00AM May 08, 2015U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (8:49PM May 3, 2015)ObservedForecast (issued 8:01AM May 3)Latest observed value: 0.26 kcfs at 7:00 PM CDT 3-May-2015.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Pearl River at Ross Barnett Reservoir are issued routinely year-round.
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Upstream Gauge - at Ratliff's Ferry Upstream Gauge Downstream Gauge Downstream Gauge - at Jackson
Flood Categories (in KCFS)
Not Available

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:14
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Gauge LocationGauge Map Marker
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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.
About This Location Collapse

Latitude: 32.397778° N, Longitude: 90.065000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS flow Not Available Not Available 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 0 ft 299 ft  
Additional Information Collapse
INFORMATION RELATING TO THE ROSS BARNETT GRAPH: The Blue line to the left of the vertical dash line is Observed Ross Barnett Discharge from gates. The Purple line to the right of the vertical dash line is the forecast inflows into the lake. Multiply kcfs value by 1000 to get cubic feet per second(cfs).
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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
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Jackson, MS 39232
(601) 936-2189
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Page last modified: 12-Feb-2015 9:35 PM
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