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Hydrograph River at a Glance Download
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Observed: 0.51 kcfs at 4:30AM Jul 30, 2020Observed: 0.51 kcfs at 5:00AM Jul 30, 2020Observed: 0.51 kcfs at 5:45AM Jul 30, 2020Observed: 0.51 kcfs at 6:00AM Jul 30, 2020Observed: 0.26 kcfs at 6:18AM Jul 30, 2020Observed: 0.26 kcfs at 7:00AM Jul 30, 2020Observed: 0.26 kcfs at 7:45AM Jul 30, 2020Observed: 0.26 kcfs at 8:00AM Jul 30, 2020Observed: 0.26 kcfs at 9:00AM Jul 30, 2020Observed: 0.26 kcfs at 10:00AM Jul 30, 2020Observed: 0.26 kcfs at 11:00AM Jul 30, 2020Observed: 0.26 kcfs at 1:00PM Jul 30, 2020Observed: 0.26 kcfs at 1:30PM Jul 30, 2020Observed: 0.26 kcfs at 2:00PM Jul 30, 2020Observed: 0.26 kcfs at 3:00PM Jul 30, 2020Observed: 0.26 kcfs at 4:00PM Jul 30, 2020Observed: 0.26 kcfs at 4:15PM Jul 30, 2020Observed: 0.26 kcfs at 5:00PM Jul 30, 2020Observed: 0.26 kcfs at 5:45PM Jul 30, 2020Observed: 0.26 kcfs at 6:00PM Jul 30, 2020Observed: 0.26 kcfs at 6:15PM Jul 30, 2020Observed: 0.26 kcfs at 7:00PM Jul 30, 2020Observed: 0.51 kcfs at 7:04PM Jul 30, 2020Observed: 1.18 kcfs at 7:05PM Jul 30, 2020Observed: 1.18 kcfs at 8:00PM Jul 30, 2020Observed: 1.18 kcfs at 8:15PM Jul 30, 2020Observed: 1.18 kcfs at 9:00PM Jul 30, 2020Observed: 1.18 kcfs at 9:30PM Jul 30, 2020Observed: 1.18 kcfs at 10:00PM Jul 30, 2020Observed: 1.18 kcfs at 10:15PM Jul 30, 2020Observed: 1.18 kcfs at 12:00AM Jul 31, 2020Observed: 1.18 kcfs at 12:15AM Jul 31, 2020Observed: 1.18 kcfs at 12:30AM Jul 31, 2020Observed: 0.51 kcfs at 12:57AM Jul 31, 2020Observed: 0.51 kcfs at 1:00AM Jul 31, 2020Observed: 0.51 kcfs at 2:00AM Jul 31, 2020Observed: 0.51 kcfs at 2:15AM Jul 31, 2020Observed: 0.51 kcfs at 2:45AM Jul 31, 2020Observed: 0.51 kcfs at 3:00AM Jul 31, 2020Observed: 0.51 kcfs at 4:00AM Jul 31, 2020Observed: 0.51 kcfs at 5:00AM Jul 31, 2020Observed: 0.51 kcfs at 5:15AM Jul 31, 2020Observed: 0.51 kcfs at 5:30AM Jul 31, 2020Observed: 0.51 kcfs at 6:00AM Jul 31, 2020Observed: 0.26 kcfs at 6:03AM Jul 31, 2020Observed: 0.26 kcfs at 7:00AM Jul 31, 2020Observed: 0.26 kcfs at 7:30AM Jul 31, 2020Observed: 0.26 kcfs at 8:00AM Jul 31, 2020Observed: 0.26 kcfs at 9:00AM Jul 31, 2020Observed: 0.24 kcfs at 9:15AM Jul 31, 2020Observed: 0.26 kcfs at 9:30AM Jul 31, 2020Observed: 0.26 kcfs at 9:45AM Jul 31, 2020Observed: 0.26 kcfs at 10:00AM Jul 31, 2020Observed: 0.26 kcfs at 10:30AM Jul 31, 2020Observed: 0.51 kcfs at 10:54AM Jul 31, 2020Observed: 0.51 kcfs at 11:00AM Jul 31, 2020Observed: 0.51 kcfs at 12:00PM Jul 31, 2020Observed: 0.51 kcfs at 1:00PM Jul 31, 2020Observed: 0.51 kcfs at 1:45PM Jul 31, 2020Observed: 0.51 kcfs at 2:00PM Jul 31, 2020Observed: 0.51 kcfs at 3:00PM Jul 31, 2020Observed: 0.51 kcfs at 3:15PM Jul 31, 2020Observed: 0.51 kcfs at 4:00PM Jul 31, 2020Observed: 0.51 kcfs at 5:00PM Jul 31, 2020Observed: 0.51 kcfs at 5:15PM Jul 31, 2020Observed: 0.51 kcfs at 5:30PM Jul 31, 2020Observed: 0.48 kcfs at 5:45PM Jul 31, 2020Observed: 0.48 kcfs at 6:00PM Jul 31, 2020Observed: 0.51 kcfs at 6:15PM Jul 31, 2020Observed: 0.48 kcfs at 6:30PM Jul 31, 2020Observed: 0.51 kcfs at 6:45PM Jul 31, 2020Observed: 0.51 kcfs at 7:00PM Jul 31, 2020Observed: 0.51 kcfs at 7:30PM Jul 31, 2020Observed: 0.51 kcfs at 7:45PM Jul 31, 2020Observed: 0.51 kcfs at 8:00PM Jul 31, 2020Observed: 0.51 kcfs at 8:45PM Jul 31, 2020Observed: 0.51 kcfs at 9:00PM Jul 31, 2020Observed: 0.51 kcfs at 9:30PM Jul 31, 2020Observed: 0.51 kcfs at 10:00PM Jul 31, 2020Observed: 0.51 kcfs at 10:15PM Jul 31, 2020Observed: 0.51 kcfs at 12:00AM Aug 01, 2020Observed: 0.51 kcfs at 1:00AM Aug 01, 2020Observed: 0.51 kcfs at 2:00AM Aug 01, 2020Observed: 0.51 kcfs at 2:15AM Aug 01, 2020Observed: 0.51 kcfs at 3:00AM Aug 01, 2020Observed: 0.51 kcfs at 4:00AM Aug 01, 2020Observed: 0.51 kcfs at 4:15AM Aug 01, 2020Observed: 0.51 kcfs at 4:45AM Aug 01, 2020Observed: 0.51 kcfs at 5:00AM Aug 01, 2020Observed: 0.51 kcfs at 6:00AM Aug 01, 2020Observed: 0.51 kcfs at 6:15AM Aug 01, 2020Observed: 0.51 kcfs at 7:00AM Aug 01, 2020Observed: 0.51 kcfs at 8:00AM Aug 01, 2020Observed: 0.48 kcfs at 8:45AM Aug 01, 2020Observed: 0.48 kcfs at 9:00AM Aug 01, 2020Observed: 0.51 kcfs at 10:00AM Aug 01, 2020Observed: 0.51 kcfs at 10:30AM Aug 01, 2020Observed: 0.51 kcfs at 11:00AM Aug 01, 2020Observed: 0.51 kcfs at 12:00PM Aug 01, 2020Observed: 0.85 kcfs at 12:24PM Aug 01, 2020Observed: 0.8 kcfs at 12:30PM Aug 01, 2020Observed: 0.85 kcfs at 12:45PM Aug 01, 2020Observed: 0.85 kcfs at 1:00PM Aug 01, 2020Observed: 0.85 kcfs at 3:00PM Aug 01, 2020Observed: 0.85 kcfs at 4:00PM Aug 01, 2020Observed: 0.85 kcfs at 5:00PM Aug 01, 2020Observed: 0.85 kcfs at 6:00PM Aug 01, 2020Observed: 0.85 kcfs at 7:00PM Aug 01, 2020Observed: 0.85 kcfs at 8:00PM Aug 01, 2020Observed: 0.85 kcfs at 8:15PM Aug 01, 2020Observed: 0.85 kcfs at 8:30PM Aug 01, 2020Observed: 0.85 kcfs at 9:00PM Aug 01, 2020Observed: 1.18 kcfs at 9:08PM Aug 01, 2020Observed: 1.5 kcfs at 9:09PM Aug 01, 2020Highest Observation: 1.82 kcfs at 9:10PM Aug 01, 2020Observed: 1.82 kcfs at 9:15PM Aug 01, 2020Observed: 1.82 kcfs at 9:45PM Aug 01, 2020Observed: 1.82 kcfs at 10:00PM Aug 01, 2020Observed: 1.82 kcfs at 12:00AM Aug 02, 2020Observed: 1.82 kcfs at 12:30AM Aug 02, 2020Observed: 1.82 kcfs at 1:00AM Aug 02, 2020Observed: 1.82 kcfs at 1:15AM Aug 02, 2020Observed: 1.82 kcfs at 2:00AM Aug 02, 2020Observed: 1.82 kcfs at 2:30AM Aug 02, 2020Observed: 1.82 kcfs at 3:00AM Aug 02, 2020Observed: 1.82 kcfs at 4:00AM Aug 02, 2020Observed: 1.82 kcfs at 5:00AM Aug 02, 2020Observed: 1.82 kcfs at 5:15AM Aug 02, 2020Observed: 1.82 kcfs at 5:30AM Aug 02, 2020Observed: 1.82 kcfs at 5:45AM Aug 02, 2020Observed: 1.82 kcfs at 6:00AM Aug 02, 2020Observed: 1.81 kcfs at 6:15AM Aug 02, 2020Observed: 1.81 kcfs at 7:00AM Aug 02, 2020Observed: 1.81 kcfs at 8:00AM Aug 02, 2020Observed: 1.81 kcfs at 9:00AM Aug 02, 2020Observed: 1.5 kcfs at 9:59AM Aug 02, 2020Observed: 1.81 kcfs at 10:00AM Aug 02, 2020Observed: 1.5 kcfs at 10:45AM Aug 02, 2020Observed: 1.5 kcfs at 11:00AM Aug 02, 2020Observed: 1.5 kcfs at 11:45AM Aug 02, 2020Observed: 1.5 kcfs at 12:00PM Aug 02, 2020Observed: 1.5 kcfs at 12:15PM Aug 02, 2020Observed: 1.5 kcfs at 1:00PM Aug 02, 2020Observed: 1.5 kcfs at 2:00PM Aug 02, 2020Observed: 1.5 kcfs at 3:00PM Aug 02, 2020Observed: 1.5 kcfs at 4:00PM Aug 02, 2020Observed: 1.5 kcfs at 4:15PM Aug 02, 2020Observed: 1.5 kcfs at 5:00PM Aug 02, 2020Observed: 1.5 kcfs at 6:00PM Aug 02, 2020Observed: 1.18 kcfs at 6:49PM Aug 02, 2020Observed: 1.18 kcfs at 7:00PM Aug 02, 2020Observed: 1.11 kcfs at 7:45PM Aug 02, 2020Observed: 1.11 kcfs at 8:00PM Aug 02, 2020Observed: 1.11 kcfs at 8:15PM Aug 02, 2020Observed: 1.18 kcfs at 8:30PM Aug 02, 2020Observed: 1.18 kcfs at 9:00PM Aug 02, 2020Observed: 0.8 kcfs at 9:07PM Aug 02, 2020Observed: 0.85 kcfs at 9:15PM Aug 02, 2020Observed: 0.51 kcfs at 9:51PM Aug 02, 2020Observed: 0.51 kcfs at 10:00PM Aug 02, 2020Observed: 0.51 kcfs at 10:30PM Aug 02, 2020Observed: 0.51 kcfs at 12:00AM Aug 03, 2020Observed: 0.26 kcfs at 12:34AM Aug 03, 2020Observed: 0.26 kcfs at 1:00AM Aug 03, 2020Observed: 0.26 kcfs at 2:00AM Aug 03, 2020Observed: 0.26 kcfs at 3:00AM Aug 03, 2020Observed: 0.26 kcfs at 4:00AM Aug 03, 2020Observed: 0.26 kcfs at 4:30AM Aug 03, 2020Observed: 0.26 kcfs at 4:45AM Aug 03, 2020Observed: 0.26 kcfs at 5:00AM Aug 03, 2020Observed: 0.26 kcfs at 6:00AM Aug 03, 2020Observed: 0.26 kcfs at 6:15AM Aug 03, 2020Observed: 0.26 kcfs at 7:00AM Aug 03, 2020Observed: 0.26 kcfs at 8:00AM Aug 03, 2020Observed: 0.26 kcfs at 9:00AM Aug 03, 2020Observed: 0.24 kcfs at 9:45AM Aug 03, 2020Observed: 0.24 kcfs at 10:00AM Aug 03, 2020Observed: 0.26 kcfs at 10:15AM Aug 03, 2020Observed: 0.24 kcfs at 10:45AM Aug 03, 2020Observed: 0.24 kcfs at 11:00AM Aug 03, 2020Observed: 0.26 kcfs at 11:15AM Aug 03, 2020Observed: 0.26 kcfs at 12:00PM Aug 03, 2020Observed: 0.26 kcfs at 1:00PM Aug 03, 2020Observed: 0.26 kcfs at 2:00PM Aug 03, 2020Observed: 0.26 kcfs at 3:00PM Aug 03, 2020Observed: 0.26 kcfs at 3:15PM Aug 03, 2020Observed: 0.26 kcfs at 4:00PM Aug 03, 2020Observed: 0.26 kcfs at 4:30PM Aug 03, 2020Observed: 0.26 kcfs at 5:00PM Aug 03, 2020Observed: 0.26 kcfs at 6:00PM Aug 03, 2020Observed: 0.26 kcfs at 6:30PM Aug 03, 2020Observed: 0.26 kcfs at 7:00PM Aug 03, 2020Observed: 0.26 kcfs at 8:00PM Aug 03, 2020Observed: 0.26 kcfs at 9:00PM Aug 03, 2020Observed: 0.26 kcfs at 10:00PM Aug 03, 2020Observed: 0.26 kcfs at 12:00AM Aug 04, 2020Observed: 0.26 kcfs at 1:00AM Aug 04, 2020Observed: 0.26 kcfs at 2:00AM Aug 04, 2020Highest Forecast: 0.77 kcfs 7:00AM Aug 04, 2020Forecast: 0.75 kcfs 1:00PM Aug 04, 2020Forecast: 0.74 kcfs 7:00PM Aug 04, 2020Forecast: 0.72 kcfs 1:00AM Aug 05, 2020Forecast: 0.71 kcfs 7:00AM Aug 05, 2020Forecast: 0.69 kcfs 1:00PM Aug 05, 2020Forecast: 0.68 kcfs 7:00PM Aug 05, 2020Forecast: 0.67 kcfs 1:00AM Aug 06, 2020Forecast: 0.66 kcfs 7:00AM Aug 06, 2020Forecast: 0.64 kcfs 1:00PM Aug 06, 2020Forecast: 0.63 kcfs 7:00PM Aug 06, 2020Forecast: 0.62 kcfs 1:00AM Aug 07, 2020Forecast: 0.61 kcfs 7:00AM Aug 07, 2020Forecast: 0.59 kcfs 1:00PM Aug 07, 2020Forecast: 0.58 kcfs 7:00PM Aug 07, 2020Forecast: 0.57 kcfs 1:00AM Aug 08, 2020Forecast: 0.56 kcfs 7:00AM Aug 08, 2020U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (4:07AM Aug 4, 2020)ObservedForecast (issued 8:15AM Aug 3)Latest observed value: 0.26 kcfs at 2:00 AM CDT 4-Aug-2020.
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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.

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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
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Jackson Weather Forecast Office
234 Weather Service Dr.
Jackson, MS 39232
(601) 936-2189
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Page last modified: 1-Mar-2019 12:34 AM
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