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Hydrograph River at a Glance Download
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Observed: 6.83 kcfs at 11:00AM Apr 08, 2021Observed: 6.83 kcfs at 11:45AM Apr 08, 2021Observed: 6.83 kcfs at 12:00PM Apr 08, 2021Observed: 6.83 kcfs at 12:15PM Apr 08, 2021Observed: 6.1 kcfs at 12:45PM Apr 08, 2021Observed: 6.1 kcfs at 1:00PM Apr 08, 2021Observed: 6.1 kcfs at 1:30PM Apr 08, 2021Observed: 6.1 kcfs at 2:00PM Apr 08, 2021Observed: 6.1 kcfs at 2:30PM Apr 08, 2021Observed: 6.1 kcfs at 3:00PM Apr 08, 2021Observed: 6.1 kcfs at 4:00PM Apr 08, 2021Observed: 6.1 kcfs at 5:00PM Apr 08, 2021Observed: 6.1 kcfs at 6:00PM Apr 08, 2021Observed: 6.1 kcfs at 6:30PM Apr 08, 2021Observed: 6.1 kcfs at 7:00PM Apr 08, 2021Observed: 6.1 kcfs at 8:00PM Apr 08, 2021Observed: 6.11 kcfs at 9:00PM Apr 08, 2021Observed: 6.11 kcfs at 10:00PM Apr 08, 2021Observed: 6.11 kcfs at 12:00AM Apr 09, 2021Observed: 6.1 kcfs at 12:30AM Apr 09, 2021Observed: 5.74 kcfs at 12:41AM Apr 09, 2021Observed: 5.37 kcfs at 12:42AM Apr 09, 2021Observed: 5.01 kcfs at 12:45AM Apr 09, 2021Observed: 5.01 kcfs at 1:00AM Apr 09, 2021Observed: 5.01 kcfs at 2:00AM Apr 09, 2021Observed: 4.65 kcfs at 2:10AM Apr 09, 2021Observed: 4.39 kcfs at 2:30AM Apr 09, 2021Observed: 4.65 kcfs at 2:45AM Apr 09, 2021Observed: 4.65 kcfs at 3:00AM Apr 09, 2021Observed: 4.65 kcfs at 4:00AM Apr 09, 2021Observed: 4.65 kcfs at 4:45AM Apr 09, 2021Observed: 3.92 kcfs at 4:52AM Apr 09, 2021Observed: 3.92 kcfs at 5:00AM Apr 09, 2021Observed: 3.92 kcfs at 5:30AM Apr 09, 2021Observed: 3.92 kcfs at 6:00AM Apr 09, 2021Observed: 3.71 kcfs at 6:15AM Apr 09, 2021Observed: 3.92 kcfs at 6:45AM Apr 09, 2021Observed: 3.92 kcfs at 7:00AM Apr 09, 2021Observed: 3.92 kcfs at 8:00AM Apr 09, 2021Observed: 3.92 kcfs at 9:00AM Apr 09, 2021Observed: 3.92 kcfs at 10:00AM Apr 09, 2021Observed: 3.92 kcfs at 10:15AM Apr 09, 2021Observed: 3.92 kcfs at 11:00AM Apr 09, 2021Observed: 3.92 kcfs at 11:15AM Apr 09, 2021Observed: 3.92 kcfs at 12:00PM Apr 09, 2021Observed: 3.92 kcfs at 12:30PM Apr 09, 2021Observed: 3.71 kcfs at 12:45PM Apr 09, 2021Observed: 3.71 kcfs at 1:00PM Apr 09, 2021Observed: 3.92 kcfs at 1:30PM Apr 09, 2021Observed: 3.92 kcfs at 2:00PM Apr 09, 2021Observed: 3.92 kcfs at 3:00PM Apr 09, 2021Observed: 3.92 kcfs at 4:00PM Apr 09, 2021Observed: 4.65 kcfs at 4:05PM Apr 09, 2021Observed: 5.01 kcfs at 4:06PM Apr 09, 2021Observed: 6.1 kcfs at 4:45PM Apr 09, 2021Observed: 6.1 kcfs at 5:00PM Apr 09, 2021Observed: 6.11 kcfs at 5:30PM Apr 09, 2021Observed: 6.11 kcfs at 6:00PM Apr 09, 2021Observed: 6.11 kcfs at 7:00PM Apr 09, 2021Observed: 6.11 kcfs at 8:00PM Apr 09, 2021Observed: 6.11 kcfs at 8:15PM Apr 09, 2021Observed: 6.11 kcfs at 8:30PM Apr 09, 2021Observed: 6.11 kcfs at 8:45PM Apr 09, 2021Observed: 6.11 kcfs at 9:00PM Apr 09, 2021Observed: 6.85 kcfs at 9:07PM Apr 09, 2021Observed: 7.21 kcfs at 9:08PM Apr 09, 2021Observed: 7.61 kcfs at 9:15PM Apr 09, 2021Observed: 7.66 kcfs at 9:30PM Apr 09, 2021Observed: 8.4 kcfs at 9:48PM Apr 09, 2021Observed: 8.77 kcfs at 9:49PM Apr 09, 2021Observed: 9.89 kcfs at 10:00PM Apr 09, 2021Observed: 10.64 kcfs at 10:06PM Apr 09, 2021Observed: 11.01 kcfs at 10:07PM Apr 09, 2021Observed: 11.64 kcfs at 10:09PM Apr 09, 2021Observed: 11.9 kcfs at 10:10PM Apr 09, 2021Observed: 12.16 kcfs at 10:15PM Apr 09, 2021Observed: 12.73 kcfs at 10:17PM Apr 09, 2021Observed: 13.25 kcfs at 10:19PM Apr 09, 2021Observed: 13.84 kcfs at 10:22PM Apr 09, 2021Observed: 14.52 kcfs at 10:24PM Apr 09, 2021Observed: 15.17 kcfs at 10:26PM Apr 09, 2021Observed: 15.49 kcfs at 10:27PM Apr 09, 2021Observed: 15.48 kcfs at 10:30PM Apr 09, 2021Observed: 15.41 kcfs at 12:00AM Apr 10, 2021Observed: 15.78 kcfs at 12:19AM Apr 10, 2021Observed: 17.15 kcfs at 12:22AM Apr 10, 2021Observed: 17.81 kcfs at 12:23AM Apr 10, 2021Observed: 18.14 kcfs at 12:30AM Apr 10, 2021Observed: 18.13 kcfs at 12:45AM Apr 10, 2021Observed: 18.13 kcfs at 1:00AM Apr 10, 2021Observed: 18.16 kcfs at 1:15AM Apr 10, 2021Observed: 18.17 kcfs at 1:30AM Apr 10, 2021Observed: 18.18 kcfs at 1:45AM Apr 10, 2021Observed: 18.18 kcfs at 2:00AM Apr 10, 2021Observed: 18.55 kcfs at 2:03AM Apr 10, 2021Observed: 18.91 kcfs at 2:04AM Apr 10, 2021Observed: 19.28 kcfs at 2:06AM Apr 10, 2021Observed: 19.64 kcfs at 2:07AM Apr 10, 2021Observed: 19.98 kcfs at 2:09AM Apr 10, 2021Observed: 20.32 kcfs at 2:30AM Apr 10, 2021Observed: 20.32 kcfs at 3:00AM Apr 10, 2021Observed: 20.29 kcfs at 3:30AM Apr 10, 2021Observed: 20.27 kcfs at 3:45AM Apr 10, 2021Observed: 20.27 kcfs at 4:00AM Apr 10, 2021Observed: 20.27 kcfs at 4:15AM Apr 10, 2021Observed: 20.27 kcfs at 5:00AM Apr 10, 2021Observed: 20.29 kcfs at 5:15AM Apr 10, 2021Observed: 20.3 kcfs at 5:30AM Apr 10, 2021Observed: 20.31 kcfs at 5:45AM Apr 10, 2021Observed: 20.31 kcfs at 6:00AM Apr 10, 2021Observed: 20.67 kcfs at 6:02AM Apr 10, 2021Observed: 22.08 kcfs at 6:05AM Apr 10, 2021Observed: 24.12 kcfs at 6:08AM Apr 10, 2021Highest Observation: 25.19 kcfs at 6:15AM Apr 10, 2021Observed: 25.18 kcfs at 6:30AM Apr 10, 2021Observed: 25.17 kcfs at 6:45AM Apr 10, 2021Observed: 25.17 kcfs at 7:00AM Apr 10, 2021Observed: 25.17 kcfs at 7:30AM Apr 10, 2021Observed: 25.17 kcfs at 8:00AM Apr 10, 2021Observed: 25.15 kcfs at 8:15AM Apr 10, 2021Observed: 25.14 kcfs at 8:30AM Apr 10, 2021Observed: 25.13 kcfs at 8:45AM Apr 10, 2021Observed: 25.13 kcfs at 9:00AM Apr 10, 2021Observed: 25.12 kcfs at 9:15AM Apr 10, 2021Observed: 25.11 kcfs at 9:30AM Apr 10, 2021Observed: 25.1 kcfs at 9:45AM Apr 10, 2021Observed: 25.1 kcfs at 10:00AM Apr 10, 2021Observed: 25.09 kcfs at 10:15AM Apr 10, 2021Observed: 25.08 kcfs at 10:30AM Apr 10, 2021Observed: 25.08 kcfs at 10:45AM Apr 10, 2021Observed: 25.08 kcfs at 11:00AM Apr 10, 2021Observed: 25.08 kcfs at 12:00PM Apr 10, 2021Observed: 25.07 kcfs at 12:15PM Apr 10, 2021Observed: 25.06 kcfs at 12:45PM Apr 10, 2021Observed: 25.06 kcfs at 1:00PM Apr 10, 2021Observed: 25.05 kcfs at 1:15PM Apr 10, 2021Observed: 25.04 kcfs at 1:45PM Apr 10, 2021Observed: 25.04 kcfs at 2:00PM Apr 10, 2021Observed: 25.03 kcfs at 2:15PM Apr 10, 2021Observed: 25.03 kcfs at 2:30PM Apr 10, 2021Observed: 25.02 kcfs at 2:45PM Apr 10, 2021Observed: 25.02 kcfs at 3:00PM Apr 10, 2021Observed: 25.01 kcfs at 3:45PM Apr 10, 2021Observed: 25.01 kcfs at 4:00PM Apr 10, 2021Observed: 25.01 kcfs at 4:30PM Apr 10, 2021Observed: 25 kcfs at 4:45PM Apr 10, 2021Observed: 25 kcfs at 5:00PM Apr 10, 2021Observed: 24.99 kcfs at 5:15PM Apr 10, 2021Observed: 24.99 kcfs at 5:45PM Apr 10, 2021Observed: 24.99 kcfs at 6:00PM Apr 10, 2021Observed: 24.98 kcfs at 6:15PM Apr 10, 2021Observed: 24.97 kcfs at 6:30PM Apr 10, 2021Observed: 24.97 kcfs at 7:00PM Apr 10, 2021Observed: 24.96 kcfs at 7:30PM Apr 10, 2021Observed: 24.96 kcfs at 8:00PM Apr 10, 2021Observed: 24.96 kcfs at 8:15PM Apr 10, 2021Observed: 24.95 kcfs at 8:30PM Apr 10, 2021Observed: 24.95 kcfs at 9:00PM Apr 10, 2021Observed: 24.94 kcfs at 10:00PM Apr 10, 2021Observed: 24.92 kcfs at 10:30PM Apr 10, 2021Observed: 24.9 kcfs at 12:00AM Apr 11, 2021Observed: 24.91 kcfs at 12:15AM Apr 11, 2021Observed: 24.91 kcfs at 1:00AM Apr 11, 2021Observed: 24.9 kcfs at 1:45AM Apr 11, 2021Observed: 24.9 kcfs at 2:00AM Apr 11, 2021Observed: 24.9 kcfs at 2:15AM Apr 11, 2021Observed: 24.89 kcfs at 2:30AM Apr 11, 2021Observed: 24.89 kcfs at 3:00AM Apr 11, 2021Observed: 24.88 kcfs at 3:30AM Apr 11, 2021Observed: 24.88 kcfs at 4:00AM Apr 11, 2021Observed: 24.87 kcfs at 4:15AM Apr 11, 2021Observed: 24.87 kcfs at 5:00AM Apr 11, 2021Observed: 24.87 kcfs at 6:00AM Apr 11, 2021Observed: 24.87 kcfs at 7:00AM Apr 11, 2021Observed: 24.87 kcfs at 8:00AM Apr 11, 2021Observed: 24.87 kcfs at 9:00AM Apr 11, 2021Observed: 24.87 kcfs at 10:00AM Apr 11, 2021Observed: 24.87 kcfs at 10:30AM Apr 11, 2021Observed: 24.87 kcfs at 11:00AM Apr 11, 2021Observed: 24.87 kcfs at 12:00PM Apr 11, 2021Observed: 24.87 kcfs at 1:00PM Apr 11, 2021Observed: 24.88 kcfs at 2:00PM Apr 11, 2021Observed: 24.88 kcfs at 3:00PM Apr 11, 2021Observed: 24.89 kcfs at 3:15PM Apr 11, 2021Observed: 24.89 kcfs at 4:00PM Apr 11, 2021Observed: 24.89 kcfs at 4:45PM Apr 11, 2021Observed: 24.89 kcfs at 5:00PM Apr 11, 2021Observed: 24.9 kcfs at 5:15PM Apr 11, 2021Observed: 24.89 kcfs at 5:45PM Apr 11, 2021Observed: 24.89 kcfs at 6:00PM Apr 11, 2021Observed: 24.89 kcfs at 7:00PM Apr 11, 2021Observed: 24.9 kcfs at 8:00PM Apr 11, 2021Observed: 24.9 kcfs at 9:00PM Apr 11, 2021Observed: 24.91 kcfs at 9:15PM Apr 11, 2021Observed: 24.91 kcfs at 10:00PM Apr 11, 2021Observed: 24.91 kcfs at 12:00AM Apr 12, 2021Observed: 24.92 kcfs at 1:00AM Apr 12, 2021Observed: 24.92 kcfs at 2:00AM Apr 12, 2021Observed: 24.92 kcfs at 4:00AM Apr 12, 2021Observed: 24.91 kcfs at 4:45AM Apr 12, 2021Observed: 24.91 kcfs at 5:00AM Apr 12, 2021Observed: 24.91 kcfs at 6:00AM Apr 12, 2021Observed: 24.92 kcfs at 7:00AM Apr 12, 2021Observed: 24.91 kcfs at 8:00AM Apr 12, 2021Observed: 24.91 kcfs at 9:00AM Apr 12, 2021Observed: 24.91 kcfs at 10:00AM Apr 12, 2021Observed: 24.91 kcfs at 11:00AM Apr 12, 2021Observed: 24.91 kcfs at 12:00PM Apr 12, 2021Observed: 24.91 kcfs at 1:00PM Apr 12, 2021Observed: 24.9 kcfs at 1:15PM Apr 12, 2021Observed: 24.9 kcfs at 2:00PM Apr 12, 2021Observed: 24.9 kcfs at 3:00PM Apr 12, 2021Observed: 24.9 kcfs at 3:15PM Apr 12, 2021Observed: 24.9 kcfs at 4:00PM Apr 12, 2021Observed: 24.89 kcfs at 4:45PM Apr 12, 2021Observed: 24.89 kcfs at 5:00PM Apr 12, 2021Observed: 24.89 kcfs at 6:00PM Apr 12, 2021Observed: 24.88 kcfs at 6:15PM Apr 12, 2021Observed: 24.88 kcfs at 7:00PM Apr 12, 2021Observed: 24.87 kcfs at 7:15PM Apr 12, 2021Observed: 24.87 kcfs at 8:00PM Apr 12, 2021Observed: 24.87 kcfs at 9:00PM Apr 12, 2021Observed: 24.86 kcfs at 10:00PM Apr 12, 2021Observed: 24.85 kcfs at 12:00AM Apr 13, 2021Observed: 24.83 kcfs at 1:00AM Apr 13, 2021Observed: 24.83 kcfs at 2:00AM Apr 13, 2021Observed: 24.82 kcfs at 2:15AM Apr 13, 2021Observed: 24.82 kcfs at 3:00AM Apr 13, 2021Observed: 24.82 kcfs at 4:00AM Apr 13, 2021Observed: 24.82 kcfs at 4:49AM Apr 13, 2021Observed: 24.82 kcfs at 5:00AM Apr 13, 2021Observed: 24.81 kcfs at 6:00AM Apr 13, 2021Observed: 24.8 kcfs at 6:15AM Apr 13, 2021Observed: 24.8 kcfs at 7:00AM Apr 13, 2021Observed: 24.8 kcfs at 8:00AM Apr 13, 2021Forecast: 20.68 kcfs 1:00PM Apr 13, 2021Forecast: 20.93 kcfs 7:00PM Apr 13, 2021Forecast: 20.93 kcfs 1:00AM Apr 14, 2021Forecast: 20.99 kcfs 7:00AM Apr 14, 2021Forecast: 26.44 kcfs 1:00PM Apr 14, 2021Forecast: 25.58 kcfs 7:00PM Apr 14, 2021Forecast: 24.5 kcfs 1:00AM Apr 15, 2021Forecast: 24.7 kcfs 7:00AM Apr 15, 2021Forecast: 25.49 kcfs 1:00PM Apr 15, 2021Forecast: 26.08 kcfs 7:00PM Apr 15, 2021Forecast: 26.43 kcfs 1:00AM Apr 16, 2021Forecast: 26.55 kcfs 7:00AM Apr 16, 2021Forecast: 26.73 kcfs 1:00PM Apr 16, 2021Forecast: 26.92 kcfs 7:00PM Apr 16, 2021Highest Forecast: 27.07 kcfs 1:00AM Apr 17, 2021Forecast: 27.01 kcfs 7:00AM Apr 17, 2021Forecast: 26.78 kcfs 1:00PM Apr 17, 2021Forecast: 26.33 kcfs 7:00PM Apr 17, 2021Forecast: 25.62 kcfs 1:00AM Apr 18, 2021Forecast: 24.79 kcfs 7:00AM Apr 18, 2021U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (10:23AM Apr 13, 2021)ObservedForecast (issued 9:08AM Apr 13)Latest observed value: 24.8 kcfs at 8:00 AM CDT 13-Apr-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
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 Ross Barnett Reservoir are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Highway 25
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
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  

Current/Historical Observations:

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: 2-Nov-2020 7:29 PM
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