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Weather Forecast Office Jackson, MS Lower Mississippi River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Pearl River at Ross Barnett Reservoir Total Discharge (kcfs)Highest Observation: 4.67 kcfs at 10:00AM May 17, 2013Observed: 4.67 kcfs at 10:17AM May 17, 2013Observed: 4.67 kcfs at 11:00AM May 17, 2013Observed: 4.67 kcfs at 11:17AM May 17, 2013Observed: 4.67 kcfs at 12:00PM May 17, 2013Observed: 4.3 kcfs at 12:47PM May 17, 2013Observed: 4.3 kcfs at 1:00PM May 17, 2013Observed: 3.93 kcfs at 1:47PM May 17, 2013Observed: 3.93 kcfs at 2:00PM May 17, 2013Observed: 3.93 kcfs at 3:00PM May 17, 2013Observed: 3.94 kcfs at 3:17PM May 17, 2013Observed: 3.94 kcfs at 4:00PM May 17, 2013Observed: 3.94 kcfs at 5:00PM May 17, 2013Observed: 3.94 kcfs at 6:00PM May 17, 2013Observed: 3.94 kcfs at 6:17PM May 17, 2013Observed: 3.94 kcfs at 6:47PM May 17, 2013Observed: 3.94 kcfs at 7:00PM May 17, 2013Observed: 3.94 kcfs at 8:00PM May 17, 2013Observed: 3.57 kcfs at 8:07PM May 17, 2013Observed: 3.57 kcfs at 9:00PM May 17, 2013Observed: 3.57 kcfs at 9:47PM May 17, 2013Observed: 3.57 kcfs at 10:00PM May 17, 2013Observed: 3.57 kcfs at 10:17PM May 17, 2013Observed: 3.57 kcfs at 12:00AM May 18, 2013Observed: 3.57 kcfs at 1:00AM May 18, 2013Observed: 3.57 kcfs at 2:00AM May 18, 2013Observed: 3.21 kcfs at 2:09AM May 18, 2013Observed: 3.21 kcfs at 2:17AM May 18, 2013Observed: 3.21 kcfs at 3:00AM May 18, 2013Observed: 3.21 kcfs at 4:00AM May 18, 2013Observed: 3.21 kcfs at 4:32AM May 18, 2013Observed: 3.21 kcfs at 5:00AM May 18, 2013Observed: 3.21 kcfs at 6:00AM May 18, 2013Observed: 1.5 kcfs at 7:00AM May 18, 2013Observed: 2.85 kcfs at 7:59AM May 18, 2013Observed: 3.21 kcfs at 8:00AM May 18, 2013Observed: 2.5 kcfs at 8:02AM May 18, 2013Observed: 2.5 kcfs at 9:00AM May 18, 2013Observed: 2.49 kcfs at 10:32AM May 18, 2013Observed: 2.49 kcfs at 11:00AM May 18, 2013Observed: 2.5 kcfs at 11:17AM May 18, 2013Observed: 2.5 kcfs at 11:47AM May 18, 2013Observed: 2.5 kcfs at 12:00PM May 18, 2013Observed: 2.5 kcfs at 12:02PM May 18, 2013Observed: 1.82 kcfs at 1:00PM May 18, 2013Observed: 1.82 kcfs at 1:17PM May 18, 2013Observed: 1.82 kcfs at 1:47PM May 18, 2013Observed: 1.82 kcfs at 2:00PM May 18, 2013Observed: 1.82 kcfs at 3:00PM May 18, 2013Observed: 1.82 kcfs at 4:00PM May 18, 2013Observed: 1.82 kcfs at 4:17PM May 18, 2013Observed: 1.82 kcfs at 5:00PM May 18, 2013Observed: 1.82 kcfs at 6:00PM May 18, 2013Observed: 1.5 kcfs at 6:11PM May 18, 2013Observed: 1.5 kcfs at 7:00PM May 18, 2013Observed: 1.5 kcfs at 7:02PM May 18, 2013Observed: 1.5 kcfs at 8:00PM May 18, 2013Observed: 1.5 kcfs at 8:02PM May 18, 2013Observed: 1.5 kcfs at 9:00PM May 18, 2013Observed: 1.5 kcfs at 9:02PM May 18, 2013Observed: 1.5 kcfs at 10:00PM May 18, 2013Observed: 1.5 kcfs at 12:00AM May 19, 2013Observed: 1.5 kcfs at 1:00AM May 19, 2013Observed: 1.5 kcfs at 1:47AM May 19, 2013Observed: 1.5 kcfs at 2:00AM May 19, 2013Observed: 1.5 kcfs at 3:00AM May 19, 2013Observed: 1.5 kcfs at 4:00AM May 19, 2013Observed: 1.5 kcfs at 4:17AM May 19, 2013Observed: 1.5 kcfs at 5:00AM May 19, 2013Observed: 1.5 kcfs at 5:47AM May 19, 2013Observed: 1.5 kcfs at 6:00AM May 19, 2013Observed: 1.5 kcfs at 12:47PM May 19, 2013Observed: 1.5 kcfs at 1:00PM May 19, 2013Observed: 1.5 kcfs at 2:01PM May 19, 2013Observed: 1.82 kcfs at 2:02PM May 19, 2013Observed: 1.82 kcfs at 3:00PM May 19, 2013Observed: 2.16 kcfs at 3:09PM May 19, 2013Observed: 2.16 kcfs at 4:00PM May 19, 2013Observed: 2.16 kcfs at 5:00PM May 19, 2013Observed: 2.5 kcfs at 5:06PM May 19, 2013Observed: 2.5 kcfs at 6:00PM May 19, 2013Observed: 2.36 kcfs at 6:17PM May 19, 2013Observed: 2.5 kcfs at 6:32PM May 19, 2013Observed: 2.5 kcfs at 7:00PM May 19, 2013Observed: 2.5 kcfs at 8:00PM May 19, 2013Observed: 2.5 kcfs at 9:00PM May 19, 2013Observed: 2.5 kcfs at 10:00PM May 19, 2013Observed: 2.5 kcfs at 12:00AM May 20, 2013Observed: 2.5 kcfs at 1:00AM May 20, 2013Observed: 2.5 kcfs at 2:00AM May 20, 2013Observed: 2.5 kcfs at 3:00AM May 20, 2013Observed: 2.5 kcfs at 3:17AM May 20, 2013Observed: 2.5 kcfs at 4:00AM May 20, 2013Observed: 2.5 kcfs at 4:47AM May 20, 2013Observed: 2.5 kcfs at 5:00AM May 20, 2013Observed: 2.5 kcfs at 6:00AM May 20, 2013Observed: 2.5 kcfs at 7:00AM May 20, 2013Observed: 2.5 kcfs at 8:00AM May 20, 2013Observed: 2.5 kcfs at 9:00AM May 20, 2013Observed: 2.5 kcfs at 9:02AM May 20, 2013Observed: 2.5 kcfs at 10:00AM May 20, 2013Observed: 2.5 kcfs at 11:00AM May 20, 2013Observed: 2.36 kcfs at 11:17AM May 20, 2013Observed: 2.5 kcfs at 11:32AM May 20, 2013Observed: 2.5 kcfs at 12:00PM May 20, 2013Observed: 2.5 kcfs at 1:00PM May 20, 2013Observed: 2.5 kcfs at 2:00PM May 20, 2013Observed: 2.5 kcfs at 3:00PM May 20, 2013Observed: 2.5 kcfs at 4:00PM May 20, 2013Observed: 2.5 kcfs at 5:00PM May 20, 2013Observed: 2.5 kcfs at 6:00PM May 20, 2013Observed: 2.5 kcfs at 7:00PM May 20, 2013Observed: 2.5 kcfs at 8:00PM May 20, 2013Observed: 2.5 kcfs at 9:00PM May 20, 2013Observed: 2.5 kcfs at 10:00PM May 20, 2013Observed: 2.5 kcfs at 10:01PM May 20, 2013Observed: 2.16 kcfs at 12:00AM May 21, 2013Observed: 2.16 kcfs at 1:00AM May 21, 2013Observed: 2.16 kcfs at 1:47AM May 21, 2013Observed: 2.16 kcfs at 2:00AM May 21, 2013Observed: 2.16 kcfs at 3:00AM May 21, 2013Observed: 2.16 kcfs at 4:00AM May 21, 2013Observed: 2.16 kcfs at 5:00AM May 21, 2013Observed: 2.16 kcfs at 6:00AM May 21, 2013Observed: 2.16 kcfs at 6:17AM May 21, 2013Observed: 2.16 kcfs at 7:00AM May 21, 2013Observed: 2.16 kcfs at 8:00AM May 21, 2013Observed: 2.16 kcfs at 9:00AM May 21, 2013Observed: 2.16 kcfs at 9:17AM May 21, 2013Observed: 2.16 kcfs at 10:00AM May 21, 2013Observed: 2.16 kcfs at 11:00AM May 21, 2013Observed: 2.16 kcfs at 12:00PM May 21, 2013Observed: 2.16 kcfs at 1:00PM May 21, 2013Observed: 2.16 kcfs at 1:32PM May 21, 2013Observed: 2.16 kcfs at 2:00PM May 21, 2013Observed: 2.16 kcfs at 3:00PM May 21, 2013Observed: 2.16 kcfs at 3:01PM May 21, 2013Observed: 1.82 kcfs at 3:05PM May 21, 2013Observed: 1.82 kcfs at 4:00PM May 21, 2013Observed: 1.71 kcfs at 4:02PM May 21, 2013Observed: 1.82 kcfs at 4:17PM May 21, 2013Observed: 1.82 kcfs at 5:00PM May 21, 2013Observed: 1.82 kcfs at 5:02PM May 21, 2013Observed: 1.82 kcfs at 6:00PM May 21, 2013Observed: 1.71 kcfs at 6:02PM May 21, 2013Observed: 1.82 kcfs at 6:16PM May 21, 2013Observed: 1.82 kcfs at 7:00PM May 21, 2013Observed: 1.82 kcfs at 8:00PM May 21, 2013Observed: 1.82 kcfs at 8:16PM May 21, 2013Observed: 1.82 kcfs at 8:32PM May 21, 2013Observed: 1.82 kcfs at 9:00PM May 21, 2013Observed: 1.82 kcfs at 10:00PM May 21, 2013Observed: 1.82 kcfs at 10:01PM May 21, 2013Observed: 1.82 kcfs at 12:00AM May 22, 2013Observed: 1.82 kcfs at 12:16AM May 22, 2013Observed: 1.82 kcfs at 12:31AM May 22, 2013Observed: 1.82 kcfs at 12:46AM May 22, 2013Observed: 1.82 kcfs at 1:00AM May 22, 2013Observed: 1.82 kcfs at 1:01AM May 22, 2013Observed: 1.82 kcfs at 1:16AM May 22, 2013Observed: 1.82 kcfs at 1:46AM May 22, 2013Observed: 1.82 kcfs at 2:00AM May 22, 2013Observed: 1.82 kcfs at 2:01AM May 22, 2013Observed: 1.82 kcfs at 2:16AM May 22, 2013Observed: 1.82 kcfs at 2:31AM May 22, 2013Observed: 1.82 kcfs at 2:46AM May 22, 2013Observed: 1.82 kcfs at 3:00AM May 22, 2013Observed: 1.82 kcfs at 3:16AM May 22, 2013Observed: 2.16 kcfs at 3:22AM May 22, 2013Observed: 2.5 kcfs at 3:23AM May 22, 2013Observed: 2.86 kcfs at 3:25AM May 22, 2013Observed: 3.21 kcfs at 3:26AM May 22, 2013Observed: 3.03 kcfs at 3:31AM May 22, 2013Observed: 3.21 kcfs at 3:47AM May 22, 2013Observed: 3.21 kcfs at 4:00AM May 22, 2013Observed: 3.21 kcfs at 4:31AM May 22, 2013Observed: 3.21 kcfs at 5:00AM May 22, 2013Observed: 3.21 kcfs at 5:01AM May 22, 2013Observed: 3.21 kcfs at 6:00AM May 22, 2013Observed: 3.21 kcfs at 6:01AM May 22, 2013Observed: 3.21 kcfs at 6:31AM May 22, 2013Observed: 3.21 kcfs at 7:00AM May 22, 2013Observed: 3.21 kcfs at 8:00AM May 22, 2013Highest Forecast: 2.79 kcfs 1:00PM May 22, 2013Forecast: 2.54 kcfs 7:00PM May 22, 2013Forecast: 1.94 kcfs 1:00AM May 23, 2013Forecast: 1.65 kcfs 7:00AM May 23, 2013Forecast: 1.57 kcfs 1:00PM May 23, 2013Forecast: 1.57 kcfs 7:00PM May 23, 2013Forecast: 1.57 kcfs 1:00AM May 24, 2013Forecast: 1.56 kcfs 7:00AM May 24, 2013Forecast: 1.55 kcfs 1:00PM May 24, 2013Forecast: 1.52 kcfs 7:00PM May 24, 2013Forecast: 1.48 kcfs 1:00AM May 25, 2013Forecast: 1.43 kcfs 7:00AM May 25, 2013Forecast: 1.38 kcfs 1:00PM May 25, 2013Forecast: 1.35 kcfs 7:00PM May 25, 2013Forecast: 1.33 kcfs 1:00AM May 26, 2013Forecast: 1.31 kcfs 7:00AM May 26, 2013Forecast: 1.3 kcfs 1:00PM May 26, 2013Forecast: 1.29 kcfs 7:00PM May 26, 2013Forecast: 1.28 kcfs 1:00AM May 27, 2013Forecast: 1.27 kcfs 7:00AM May 27, 2013U.S. Geological SurveyJSNM6(plotting QTIRZ) Graph Created (9:54AM May 22, 2013)ObservedForecast (issued 8:08AM May 22)Latest observed value: 3.21 kcfs at 8:00 AM CDT 22-May-2013.
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About this graph
Tabular Data
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

Historical Crests


Low Water Records
Legend
Gauge Location
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: 32.397778° 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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Hydrologic Resources Additional Resources
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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: 13-Mar-2013 6:27 PM 		Disclaimer
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