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Hydrograph River at a Glance Download
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Observed: 7.77 kcfs at 5:43AM Jul 17, 2019Observed: 7.77 kcfs at 6:00AM Jul 17, 2019Observed: 7.65 kcfs at 6:42AM Jul 17, 2019Observed: 7.3 kcfs at 7:00AM Jul 17, 2019Observed: 7.3 kcfs at 7:28AM Jul 17, 2019Observed: 7.3 kcfs at 8:00AM Jul 17, 2019Observed: 7.3 kcfs at 9:00AM Jul 17, 2019Observed: 7.3 kcfs at 10:00AM Jul 17, 2019Observed: 7.3 kcfs at 10:43AM Jul 17, 2019Observed: 7.3 kcfs at 11:00AM Jul 17, 2019Observed: 7.3 kcfs at 12:00PM Jul 17, 2019Observed: 7.3 kcfs at 1:00PM Jul 17, 2019Observed: 7.31 kcfs at 1:13PM Jul 17, 2019Observed: 8 kcfs at 3:00PM Jul 17, 2019Observed: 8 kcfs at 4:00PM Jul 17, 2019Observed: 8 kcfs at 5:00PM Jul 17, 2019Observed: 8 kcfs at 7:13PM Jul 17, 2019Observed: 8 kcfs at 8:00PM Jul 17, 2019Observed: 8 kcfs at 9:00PM Jul 17, 2019Observed: 8.7 kcfs at 9:13PM Jul 17, 2019Observed: 8.7 kcfs at 10:00PM Jul 17, 2019Observed: 8.7 kcfs at 10:28PM Jul 17, 2019Observed: 8.7 kcfs at 12:00AM Jul 18, 2019Observed: 9.05 kcfs at 12:42AM Jul 18, 2019Observed: 9.4 kcfs at 1:00AM Jul 18, 2019Observed: 9.4 kcfs at 2:00AM Jul 18, 2019Observed: 9.4 kcfs at 3:00AM Jul 18, 2019Observed: 9.4 kcfs at 4:00AM Jul 18, 2019Observed: 9.4 kcfs at 4:28AM Jul 18, 2019Observed: 9.4 kcfs at 5:00AM Jul 18, 2019Observed: 9.4 kcfs at 5:13AM Jul 18, 2019Observed: 9.4 kcfs at 6:00AM Jul 18, 2019Observed: 9.4 kcfs at 7:00AM Jul 18, 2019Observed: 9.05 kcfs at 7:26AM Jul 18, 2019Observed: 9.05 kcfs at 8:00AM Jul 18, 2019Observed: 8.7 kcfs at 8:07AM Jul 18, 2019Observed: 8.7 kcfs at 9:00AM Jul 18, 2019Observed: 8.7 kcfs at 10:00AM Jul 18, 2019Observed: 8.35 kcfs at 10:32AM Jul 18, 2019Observed: 8 kcfs at 11:00AM Jul 18, 2019Observed: 8 kcfs at 12:00PM Jul 18, 2019Observed: 7.65 kcfs at 12:20PM Jul 18, 2019Observed: 7.3 kcfs at 1:00PM Jul 18, 2019Observed: 7.31 kcfs at 1:43PM Jul 18, 2019Observed: 7.31 kcfs at 2:00PM Jul 18, 2019Observed: 7.31 kcfs at 3:00PM Jul 18, 2019Observed: 7.31 kcfs at 4:00PM Jul 18, 2019Observed: 7.31 kcfs at 4:13PM Jul 18, 2019Observed: 7.31 kcfs at 5:00PM Jul 18, 2019Observed: 7.31 kcfs at 5:28PM Jul 18, 2019Observed: 7.31 kcfs at 6:00PM Jul 18, 2019Observed: 7.31 kcfs at 6:43PM Jul 18, 2019Observed: 7.31 kcfs at 7:00PM Jul 18, 2019Observed: 7.31 kcfs at 7:28PM Jul 18, 2019Observed: 7.31 kcfs at 8:00PM Jul 18, 2019Observed: 7.32 kcfs at 8:13PM Jul 18, 2019Observed: 7.32 kcfs at 9:00PM Jul 18, 2019Observed: 7.67 kcfs at 9:19PM Jul 18, 2019Observed: 8.37 kcfs at 9:54PM Jul 18, 2019Observed: 8.72 kcfs at 10:00PM Jul 18, 2019Observed: 8.72 kcfs at 12:00AM Jul 19, 2019Observed: 8.72 kcfs at 12:13AM Jul 19, 2019Observed: 9.07 kcfs at 12:25AM Jul 19, 2019Observed: 9.42 kcfs at 1:00AM Jul 19, 2019Observed: 9.42 kcfs at 2:00AM Jul 19, 2019Observed: 9.42 kcfs at 3:00AM Jul 19, 2019Observed: 9.42 kcfs at 4:00AM Jul 19, 2019Observed: 9.42 kcfs at 5:00AM Jul 19, 2019Observed: 9.42 kcfs at 6:00AM Jul 19, 2019Observed: 9.42 kcfs at 7:00AM Jul 19, 2019Observed: 9.42 kcfs at 7:43AM Jul 19, 2019Observed: 9.42 kcfs at 8:00AM Jul 19, 2019Observed: 10.12 kcfs at 9:00AM Jul 19, 2019Observed: 10.12 kcfs at 10:00AM Jul 19, 2019Observed: 10.12 kcfs at 10:28AM Jul 19, 2019Observed: 10.12 kcfs at 12:00PM Jul 19, 2019Observed: 10.12 kcfs at 1:00PM Jul 19, 2019Observed: 10.12 kcfs at 2:00PM Jul 19, 2019Observed: 10.12 kcfs at 3:00PM Jul 19, 2019Observed: 10.12 kcfs at 3:28PM Jul 19, 2019Observed: 10.12 kcfs at 4:00PM Jul 19, 2019Observed: 10.12 kcfs at 5:00PM Jul 19, 2019Observed: 10.12 kcfs at 6:00PM Jul 19, 2019Observed: 10.13 kcfs at 6:28PM Jul 19, 2019Observed: 10.13 kcfs at 7:00PM Jul 19, 2019Observed: 10.13 kcfs at 7:28PM Jul 19, 2019Observed: 10.13 kcfs at 8:00PM Jul 19, 2019Observed: 10.13 kcfs at 8:43PM Jul 19, 2019Observed: 10.13 kcfs at 9:00PM Jul 19, 2019Observed: 10.13 kcfs at 10:00PM Jul 19, 2019Highest Observation: 10.83 kcfs at 10:06PM Jul 19, 2019Highest Observation: 10.83 kcfs at 12:00AM Jul 20, 2019Highest Observation: 10.83 kcfs at 1:00AM Jul 20, 2019Observed: 10.83 kcfs at 2:28AM Jul 20, 2019Observed: 10.83 kcfs at 3:00AM Jul 20, 2019Observed: 10.83 kcfs at 4:00AM Jul 20, 2019Observed: 10.83 kcfs at 5:00AM Jul 20, 2019Observed: 10.83 kcfs at 6:00AM Jul 20, 2019Observed: 10.83 kcfs at 7:00AM Jul 20, 2019Observed: 10.83 kcfs at 8:00AM Jul 20, 2019Observed: 10.83 kcfs at 9:00AM Jul 20, 2019Observed: 10.48 kcfs at 9:22AM Jul 20, 2019Observed: 10.48 kcfs at 10:00AM Jul 20, 2019Observed: 10.48 kcfs at 11:00AM Jul 20, 2019Observed: 10.48 kcfs at 12:00PM Jul 20, 2019Observed: 10.13 kcfs at 12:01PM Jul 20, 2019Observed: 10.13 kcfs at 1:00PM Jul 20, 2019Observed: 10.13 kcfs at 2:00PM Jul 20, 2019Observed: 10.13 kcfs at 3:00PM Jul 20, 2019Observed: 9.78 kcfs at 3:05PM Jul 20, 2019Observed: 9.78 kcfs at 4:00PM Jul 20, 2019Observed: 9.78 kcfs at 5:00PM Jul 20, 2019Observed: 9.78 kcfs at 6:00PM Jul 20, 2019Observed: 9.78 kcfs at 7:00PM Jul 20, 2019Observed: 9.78 kcfs at 8:00PM Jul 20, 2019Observed: 9.43 kcfs at 8:06PM Jul 20, 2019Observed: 9.42 kcfs at 8:28PM Jul 20, 2019Observed: 9.42 kcfs at 9:00PM Jul 20, 2019Observed: 9.07 kcfs at 9:12PM Jul 20, 2019Observed: 9.07 kcfs at 10:00PM Jul 20, 2019Observed: 9.07 kcfs at 12:00AM Jul 21, 2019Observed: 8.72 kcfs at 12:02AM Jul 21, 2019Observed: 8.72 kcfs at 1:00AM Jul 21, 2019Observed: 8.72 kcfs at 2:00AM Jul 21, 2019Observed: 8.72 kcfs at 2:28AM Jul 21, 2019Observed: 8.72 kcfs at 3:00AM Jul 21, 2019Observed: 8.02 kcfs at 3:02AM Jul 21, 2019Observed: 8.02 kcfs at 3:13AM Jul 21, 2019Observed: 8.02 kcfs at 4:00AM Jul 21, 2019Observed: 8.01 kcfs at 5:00AM Jul 21, 2019Observed: 8.01 kcfs at 5:43AM Jul 21, 2019Observed: 7.66 kcfs at 5:45AM Jul 21, 2019Observed: 7.66 kcfs at 6:00AM Jul 21, 2019Observed: 7.66 kcfs at 7:00AM Jul 21, 2019Observed: 7.66 kcfs at 8:00AM Jul 21, 2019Observed: 7.66 kcfs at 9:00AM Jul 21, 2019Observed: 7.31 kcfs at 9:23AM Jul 21, 2019Observed: 6.97 kcfs at 10:00AM Jul 21, 2019Observed: 6.97 kcfs at 11:00AM Jul 21, 2019Observed: 6.97 kcfs at 12:00PM Jul 21, 2019Observed: 6.61 kcfs at 12:18PM Jul 21, 2019Observed: 6.27 kcfs at 1:00PM Jul 21, 2019Observed: 6.27 kcfs at 1:43PM Jul 21, 2019Observed: 6.27 kcfs at 2:00PM Jul 21, 2019Observed: 6.27 kcfs at 3:00PM Jul 21, 2019Observed: 5.92 kcfs at 3:13PM Jul 21, 2019Observed: 5.92 kcfs at 4:00PM Jul 21, 2019Observed: 5.92 kcfs at 4:28PM Jul 21, 2019Observed: 5.92 kcfs at 5:00PM Jul 21, 2019Observed: 5.91 kcfs at 5:13PM Jul 21, 2019Observed: 5.91 kcfs at 5:28PM Jul 21, 2019Observed: 5.91 kcfs at 6:00PM Jul 21, 2019Observed: 5.91 kcfs at 6:13PM Jul 21, 2019Observed: 5.56 kcfs at 6:16PM Jul 21, 2019Observed: 5.56 kcfs at 6:28PM Jul 21, 2019Observed: 5.56 kcfs at 7:00PM Jul 21, 2019Observed: 5.2 kcfs at 7:02PM Jul 21, 2019Observed: 4.85 kcfs at 7:03PM Jul 21, 2019Observed: 4.5 kcfs at 8:00PM Jul 21, 2019Observed: 4.51 kcfs at 8:13PM Jul 21, 2019Observed: 4.51 kcfs at 8:43PM Jul 21, 2019Observed: 4.51 kcfs at 9:00PM Jul 21, 2019Observed: 4.51 kcfs at 10:00PM Jul 21, 2019Observed: 4.51 kcfs at 12:00AM Jul 22, 2019Observed: 4.51 kcfs at 1:00AM Jul 22, 2019Observed: 4.51 kcfs at 2:00AM Jul 22, 2019Highest Forecast: 5.06 kcfs 7:00AM Jul 22, 2019Forecast: 4.7 kcfs 1:00PM Jul 22, 2019Forecast: 4.39 kcfs 7:00PM Jul 22, 2019Forecast: 4.11 kcfs 1:00AM Jul 23, 2019Forecast: 3.82 kcfs 7:00AM Jul 23, 2019Forecast: 3.58 kcfs 1:00PM Jul 23, 2019Forecast: 3.37 kcfs 7:00PM Jul 23, 2019Forecast: 3.18 kcfs 1:00AM Jul 24, 2019Forecast: 3.03 kcfs 7:00AM Jul 24, 2019Forecast: 2.9 kcfs 1:00PM Jul 24, 2019Forecast: 2.82 kcfs 7:00PM Jul 24, 2019Forecast: 2.78 kcfs 1:00AM Jul 25, 2019Forecast: 2.75 kcfs 7:00AM Jul 25, 2019Forecast: 2.73 kcfs 1:00PM Jul 25, 2019Forecast: 2.72 kcfs 7:00PM Jul 25, 2019Forecast: 2.71 kcfs 1:00AM Jul 26, 2019Forecast: 2.71 kcfs 7:00AM Jul 26, 2019U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (5:36AM Jul 22, 2019)ObservedForecast (issued 9:19AM Jul 21)Latest observed value: 4.51 kcfs at 2:00 AM CDT 22-Jul-2019.
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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 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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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: 1-Mar-2019 12:34 AM
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