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Hydrograph River at a Glance Download
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Observed: 11.9 kcfs at 12:44PM Jun 23, 2017Observed: 11.92 kcfs at 12:59PM Jun 23, 2017Observed: 11.9 kcfs at 1:00PM Jun 23, 2017Observed: 11.93 kcfs at 1:14PM Jun 23, 2017Observed: 12.97 kcfs at 1:44PM Jun 23, 2017Observed: 12.97 kcfs at 1:59PM Jun 23, 2017Observed: 12.97 kcfs at 2:00PM Jun 23, 2017Observed: 13.49 kcfs at 2:14PM Jun 23, 2017Observed: 13.49 kcfs at 2:44PM Jun 23, 2017Observed: 13.75 kcfs at 2:50PM Jun 23, 2017Observed: 14.01 kcfs at 3:00PM Jun 23, 2017Observed: 14.01 kcfs at 3:14PM Jun 23, 2017Observed: 14.01 kcfs at 4:00PM Jun 23, 2017Observed: 14.02 kcfs at 4:59PM Jun 23, 2017Observed: 14.02 kcfs at 5:00PM Jun 23, 2017Observed: 14.36 kcfs at 5:13PM Jun 23, 2017Observed: 15.36 kcfs at 5:44PM Jun 23, 2017Observed: 15.36 kcfs at 6:00PM Jun 23, 2017Observed: 15.37 kcfs at 6:14PM Jun 23, 2017Observed: 15.37 kcfs at 7:00PM Jun 23, 2017Observed: 15.37 kcfs at 7:14PM Jun 23, 2017Observed: 15.37 kcfs at 8:00PM Jun 23, 2017Observed: 15.71 kcfs at 8:11PM Jun 23, 2017Observed: 16.02 kcfs at 8:12PM Jun 23, 2017Observed: 16.67 kcfs at 9:00PM Jun 23, 2017Observed: 16.67 kcfs at 10:00PM Jun 23, 2017Observed: 16.69 kcfs at 10:14PM Jun 23, 2017Observed: 16.71 kcfs at 10:44PM Jun 23, 2017Observed: 16.71 kcfs at 11:00PM Jun 23, 2017Observed: 16.7 kcfs at 12:00AM Jun 24, 2017Observed: 16.7 kcfs at 12:14AM Jun 24, 2017Observed: 16.71 kcfs at 12:44AM Jun 24, 2017Observed: 16.71 kcfs at 1:00AM Jun 24, 2017Observed: 16.71 kcfs at 2:00AM Jun 24, 2017Observed: 16.72 kcfs at 2:14AM Jun 24, 2017Observed: 16.72 kcfs at 3:00AM Jun 24, 2017Observed: 16.72 kcfs at 3:14AM Jun 24, 2017Observed: 17.07 kcfs at 3:31AM Jun 24, 2017Observed: 17.41 kcfs at 3:59AM Jun 24, 2017Observed: 17.41 kcfs at 4:00AM Jun 24, 2017Observed: 17.41 kcfs at 4:44AM Jun 24, 2017Observed: 17.41 kcfs at 5:00AM Jun 24, 2017Observed: 17.41 kcfs at 6:00AM Jun 24, 2017Observed: 17.73 kcfs at 6:05AM Jun 24, 2017Observed: 18.05 kcfs at 7:00AM Jun 24, 2017Observed: 18.05 kcfs at 8:00AM Jun 24, 2017Observed: 18.06 kcfs at 8:14AM Jun 24, 2017Observed: 18.06 kcfs at 8:59AM Jun 24, 2017Observed: 18.06 kcfs at 9:00AM Jun 24, 2017Observed: 18.06 kcfs at 10:00AM Jun 24, 2017Observed: 18.07 kcfs at 10:44AM Jun 24, 2017Observed: 18.07 kcfs at 11:00AM Jun 24, 2017Observed: 18.4 kcfs at 11:40AM Jun 24, 2017Observed: 20.08 kcfs at 12:00PM Jun 24, 2017Observed: 20.08 kcfs at 1:00PM Jun 24, 2017Observed: 20.08 kcfs at 2:00PM Jun 24, 2017Observed: 20.08 kcfs at 3:00PM Jun 24, 2017Observed: 20.08 kcfs at 4:00PM Jun 24, 2017Observed: 20.08 kcfs at 5:00PM Jun 24, 2017Observed: 20.08 kcfs at 6:00PM Jun 24, 2017Observed: 20.09 kcfs at 6:44PM Jun 24, 2017Observed: 20.09 kcfs at 7:00PM Jun 24, 2017Observed: 20.1 kcfs at 7:59PM Jun 24, 2017Observed: 20.09 kcfs at 8:00PM Jun 24, 2017Observed: 20.1 kcfs at 9:00PM Jun 24, 2017Observed: 20.1 kcfs at 10:00PM Jun 24, 2017Observed: 20.1 kcfs at 11:00PM Jun 24, 2017Observed: 20.1 kcfs at 12:00AM Jun 25, 2017Observed: 20.11 kcfs at 12:14AM Jun 25, 2017Observed: 20.11 kcfs at 12:44AM Jun 25, 2017Observed: 20.11 kcfs at 1:00AM Jun 25, 2017Observed: 20.12 kcfs at 1:14AM Jun 25, 2017Observed: 20.12 kcfs at 2:00AM Jun 25, 2017Observed: 20.12 kcfs at 3:00AM Jun 25, 2017Observed: 20.13 kcfs at 3:14AM Jun 25, 2017Observed: 20.13 kcfs at 4:00AM Jun 25, 2017Observed: 20.13 kcfs at 4:14AM Jun 25, 2017Observed: 20.47 kcfs at 4:55AM Jun 25, 2017Observed: 22.22 kcfs at 5:00AM Jun 25, 2017Observed: 22.23 kcfs at 5:59AM Jun 25, 2017Observed: 22.22 kcfs at 6:00AM Jun 25, 2017Observed: 22.22 kcfs at 6:14AM Jun 25, 2017Observed: 22.22 kcfs at 7:00AM Jun 25, 2017Observed: 22.22 kcfs at 8:00AM Jun 25, 2017Observed: 22.22 kcfs at 9:00AM Jun 25, 2017Observed: 22.22 kcfs at 10:00AM Jun 25, 2017Observed: 22.21 kcfs at 10:44AM Jun 25, 2017Observed: 22.22 kcfs at 10:59AM Jun 25, 2017Observed: 22.21 kcfs at 11:00AM Jun 25, 2017Observed: 22.22 kcfs at 11:59AM Jun 25, 2017Observed: 22.23 kcfs at 12:14PM Jun 25, 2017Observed: 22.23 kcfs at 12:59PM Jun 25, 2017Observed: 22.23 kcfs at 1:00PM Jun 25, 2017Observed: 23.69 kcfs at 2:00PM Jun 25, 2017Observed: 23.68 kcfs at 2:14PM Jun 25, 2017Observed: 23.69 kcfs at 2:44PM Jun 25, 2017Observed: 23.69 kcfs at 3:00PM Jun 25, 2017Highest Observation: 23.7 kcfs at 3:59PM Jun 25, 2017Observed: 23.69 kcfs at 4:00PM Jun 25, 2017Observed: 23.69 kcfs at 5:00PM Jun 25, 2017Observed: 23.69 kcfs at 6:00PM Jun 25, 2017Observed: 23.69 kcfs at 6:59PM Jun 25, 2017Observed: 23.68 kcfs at 7:44PM Jun 25, 2017Observed: 23.68 kcfs at 8:00PM Jun 25, 2017Observed: 23.68 kcfs at 8:59PM Jun 25, 2017Observed: 23.68 kcfs at 9:59PM Jun 25, 2017Observed: 23.68 kcfs at 11:00PM Jun 25, 2017Observed: 23.67 kcfs at 12:00AM Jun 26, 2017Observed: 23.67 kcfs at 1:00AM Jun 26, 2017Observed: 23.68 kcfs at 1:44AM Jun 26, 2017Observed: 23.68 kcfs at 2:00AM Jun 26, 2017Observed: 23.68 kcfs at 3:00AM Jun 26, 2017Observed: 23.68 kcfs at 4:00AM Jun 26, 2017Observed: 23.68 kcfs at 5:00AM Jun 26, 2017Observed: 23.68 kcfs at 6:00AM Jun 26, 2017Observed: 23.69 kcfs at 6:59AM Jun 26, 2017Observed: 23.68 kcfs at 7:00AM Jun 26, 2017Observed: 23.69 kcfs at 8:00AM Jun 26, 2017Observed: 23.69 kcfs at 9:00AM Jun 26, 2017Observed: 23.69 kcfs at 9:59AM Jun 26, 2017Observed: 23.69 kcfs at 10:00AM Jun 26, 2017Observed: 23.69 kcfs at 11:00AM Jun 26, 2017Observed: 23.69 kcfs at 12:00PM Jun 26, 2017Observed: 23.69 kcfs at 1:00PM Jun 26, 2017Highest Observation: 23.7 kcfs at 1:44PM Jun 26, 2017Highest Observation: 23.7 kcfs at 2:00PM Jun 26, 2017Observed: 23.69 kcfs at 2:59PM Jun 26, 2017Highest Observation: 23.7 kcfs at 3:00PM Jun 26, 2017Observed: 23.69 kcfs at 4:00PM Jun 26, 2017Observed: 23.69 kcfs at 5:00PM Jun 26, 2017Observed: 23.69 kcfs at 6:00PM Jun 26, 2017Observed: 23.69 kcfs at 7:00PM Jun 26, 2017Observed: 23.69 kcfs at 7:14PM Jun 26, 2017Observed: 23.69 kcfs at 8:00PM Jun 26, 2017Observed: 23.68 kcfs at 8:44PM Jun 26, 2017Observed: 23.68 kcfs at 9:00PM Jun 26, 2017Observed: 23.68 kcfs at 10:00PM Jun 26, 2017Observed: 23.68 kcfs at 11:00PM Jun 26, 2017Observed: 23.68 kcfs at 1:00AM Jun 27, 2017Observed: 23.68 kcfs at 2:00AM Jun 27, 2017Observed: 23.68 kcfs at 3:00AM Jun 27, 2017Observed: 23.68 kcfs at 4:00AM Jun 27, 2017Observed: 23.68 kcfs at 5:00AM Jun 27, 2017Observed: 23.67 kcfs at 5:59AM Jun 27, 2017Observed: 23.68 kcfs at 6:00AM Jun 27, 2017Observed: 22.23 kcfs at 8:00AM Jun 27, 2017Observed: 22.23 kcfs at 9:00AM Jun 27, 2017Observed: 22.23 kcfs at 10:00AM Jun 27, 2017Observed: 21.9 kcfs at 10:01AM Jun 27, 2017Observed: 20.89 kcfs at 11:00AM Jun 27, 2017Observed: 20.89 kcfs at 12:00PM Jun 27, 2017Observed: 20.89 kcfs at 12:59PM Jun 27, 2017Observed: 20.89 kcfs at 1:00PM Jun 27, 2017Observed: 20.89 kcfs at 2:00PM Jun 27, 2017Observed: 20.9 kcfs at 2:14PM Jun 27, 2017Observed: 20.9 kcfs at 3:00PM Jun 27, 2017Observed: 20.9 kcfs at 3:14PM Jun 27, 2017Observed: 20.9 kcfs at 4:00PM Jun 27, 2017Observed: 20.91 kcfs at 4:59PM Jun 27, 2017Observed: 20.9 kcfs at 5:00PM Jun 27, 2017Observed: 20.9 kcfs at 5:14PM Jun 27, 2017Observed: 20.9 kcfs at 6:00PM Jun 27, 2017Observed: 20.9 kcfs at 7:00PM Jun 27, 2017Observed: 20.9 kcfs at 8:00PM Jun 27, 2017Observed: 20.9 kcfs at 9:00PM Jun 27, 2017Observed: 20.9 kcfs at 10:00PM Jun 27, 2017Observed: 20.9 kcfs at 11:00PM Jun 27, 2017Observed: 20.9 kcfs at 12:00AM Jun 28, 2017Observed: 20.9 kcfs at 1:00AM Jun 28, 2017Observed: 20.9 kcfs at 2:00AM Jun 28, 2017Observed: 20.9 kcfs at 3:00AM Jun 28, 2017Observed: 20.9 kcfs at 4:00AM Jun 28, 2017Observed: 20.9 kcfs at 5:00AM Jun 28, 2017Observed: 20.9 kcfs at 6:00AM Jun 28, 2017Observed: 20.9 kcfs at 6:11AM Jun 28, 2017Observed: 20.9 kcfs at 6:14AM Jun 28, 2017Observed: 20.9 kcfs at 7:00AM Jun 28, 2017Observed: 20.89 kcfs at 7:14AM Jun 28, 2017Observed: 20.89 kcfs at 8:00AM Jun 28, 2017Observed: 20.89 kcfs at 9:00AM Jun 28, 2017Observed: 20.89 kcfs at 10:00AM Jun 28, 2017Observed: 20.89 kcfs at 10:44AM Jun 28, 2017Observed: 20.89 kcfs at 11:00AM Jun 28, 2017Highest Forecast: 22.95 kcfs 1:00PM Jun 28, 2017Forecast: 22.26 kcfs 7:00PM Jun 28, 2017Forecast: 21.32 kcfs 1:00AM Jun 29, 2017Forecast: 20.16 kcfs 7:00AM Jun 29, 2017Forecast: 18.99 kcfs 1:00PM Jun 29, 2017Forecast: 17.9 kcfs 7:00PM Jun 29, 2017Forecast: 16.79 kcfs 1:00AM Jun 30, 2017Forecast: 15.83 kcfs 7:00AM Jun 30, 2017Forecast: 14.93 kcfs 1:00PM Jun 30, 2017Forecast: 14.04 kcfs 7:00PM Jun 30, 2017Forecast: 13.14 kcfs 1:00AM Jul 01, 2017Forecast: 12.45 kcfs 7:00AM Jul 01, 2017Forecast: 11.85 kcfs 1:00PM Jul 01, 2017Forecast: 11.27 kcfs 7:00PM Jul 01, 2017Forecast: 10.64 kcfs 1:00AM Jul 02, 2017Forecast: 10.07 kcfs 7:00AM Jul 02, 2017Forecast: 9.55 kcfs 1:00PM Jul 02, 2017Forecast: 9.09 kcfs 7:00PM Jul 02, 2017Forecast: 8.68 kcfs 1:00AM Jul 03, 2017Forecast: 8.28 kcfs 7:00AM Jul 03, 2017U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (12:21PM Jun 28, 2017)ObservedForecast (issued 8:13AM Jun 28)Latest observed value: 20.89 kcfs at 11:00 AM CDT 28-Jun-2017.
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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 Locations 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.

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Gauge LocationGauge Map Marker
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.
About This Location Collapse

Latitude: 32.397800° N, Longitude: 90.064700° 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
National Weather Service
Jackson Weather Forecast Office
234 Weather Service Dr.
Jackson, MS 39232
(601) 936-2189
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Page last modified: 21-Dec-2016 10:37 PM
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