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Hydrograph River at a Glance Download
Big Cypress Creek at Mooringsport (Caddo Lake) Pool (ft)Flow (kcfs)Observed: 170.9 ft at 8:00AM Apr 28, 2016Observed: 170.8 ft at 8:30AM Apr 29, 2016Highest Observation: 172.28 ft at 8:00AM Apr 30, 2016Forecast: 176.8 ft 1:00AM May 01, 2016Forecast: 177.1 ft 7:00AM May 01, 2016Forecast: 177.2 ft 1:00PM May 01, 2016Forecast: 177.3 ft 7:00PM May 01, 2016Forecast: 177.5 ft 1:00AM May 02, 2016Forecast: 177.9 ft 7:00AM May 02, 2016Highest Forecast: 178 ft 1:00PM May 02, 2016Highest Forecast: 178 ft 7:00PM May 02, 2016Highest Forecast: 178 ft 1:00AM May 03, 2016Highest Forecast: 178 ft 7:00AM May 03, 2016Highest Forecast: 178 ft 1:00PM May 03, 2016Highest Forecast: 178 ft 7:00PM May 03, 2016Highest Forecast: 178 ft 1:00AM May 04, 2016Highest Forecast: 178 ft 7:00AM May 04, 2016Highest Forecast: 178 ft 1:00PM May 04, 2016Highest Forecast: 178 ft 7:00PM May 04, 2016Forecast: 177.7 ft 1:00AM May 05, 2016Forecast: 177.4 ft 7:00AM May 05, 2016LCOL1(plotting HPIRZ) Graph Created (7:19PM Apr 30, 2016)ObservedForecast (issued 11:39AM Apr 30)Latest observed value: 172.28 ft at 8:00 AM CDT 30-Apr-2016. Flood Stage is 172 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: NGVD29
NOTE: Automated gauge readings are unavailable, readings taken manually.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Big Cypress Creek at Mooringsport (Caddo Lake) are issued routinely year-round.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 178
Moderate Flood Stage: 174.5
Flood Stage: 172
Action Stage: 171.5
Low Stage (in feet): 165

Historic Crests
(1) 182.92 ft on 05/05/1958
(2) 182.31 ft on 04/05/1945
(3) 180.70 ft on 05/03/1966
(4) 179.22 ft on 05/04/1957
(5) 178.74 ft on 05/24/1930
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(P): Preliminary values subject to further review.

Recent Crests
(1) 172.00 ft on 05/14/2015
(2) 173.05 ft on 03/15/2015
(3) 175.20 ft on 10/20/2009
(4) 173.60 ft on 12/21/2001
(5) 175.60 ft on 03/07/2001
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(P): Preliminary values subject to further review.

Low Water Records
(1) 166.16 ft on 11/02/1956

For more information on your flood risk go to

Zoom Level:16
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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.
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178 Near record flooding of several hundred homes including several stilted homes. Homeowners should be prepared for severe flooding.
175 Homeowners should rush preparations to completion for significant flooding problems. Nearly all homes that are not stilted face flooding. Boats should be moved from boathouses and into open water to prevent them from rising through the boathouse roof.
173 Several secondary access roads will become flooded and travel will be difficult especially in and around Uncertain Texas.
171.5 Expect minor flooding with some secondary access roads to homes suffering flooding especially in and around uncertain texas.
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Latitude: 32.697778° N, Longitude: 93.957778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 172 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 0.00 172 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Gage site located at the SWEPCO Lieberman Power Plant. Dam owned and maintained by the United States Army Corp of Engineers.
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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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5655 Hollywood Avenue
Shreveport, LA 71109
(318) 631-3669
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Page last modified: 13-Aug-2015 2:15 AM
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