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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Shreveport, LA Lower Mississippi River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Big Cypress Creek at Mooringsport (Caddo Lake) Pool (ft)Flow (kcfs)Observed: 168.85 ft at 7:00AM May 21, 2013Observed: 168.9 ft at 8:00AM May 22, 2013Highest Observation: 168.95 ft at 8:00AM May 23, 2013Highest Forecast: 169 ft 7:00AM May 24, 2013Highest Forecast: 169 ft 1:00PM May 24, 2013Highest Forecast: 169 ft 7:00PM May 24, 2013Highest Forecast: 169 ft 1:00AM May 25, 2013Forecast: 168.9 ft 7:00AM May 25, 2013Forecast: 168.9 ft 1:00PM May 25, 2013Forecast: 168.9 ft 7:00PM May 25, 2013Forecast: 168.9 ft 1:00AM May 26, 2013Forecast: 168.9 ft 7:00AM May 26, 2013Forecast: 168.9 ft 1:00PM May 26, 2013Forecast: 168.8 ft 7:00PM May 26, 2013Forecast: 168.8 ft 1:00AM May 27, 2013Forecast: 168.8 ft 7:00AM May 27, 2013Forecast: 168.8 ft 1:00PM May 27, 2013Forecast: 168.8 ft 7:00PM May 27, 2013Forecast: 168.8 ft 1:00AM May 28, 2013Forecast: 168.8 ft 7:00AM May 28, 2013LCOL1(plotting HPIRZ) Graph Created (2:53AM May 24, 2013)ObservedForecast (issued 9:36AM May 23)Latest observed value: 168.95 ft at 8:00 AM CDT 23-May-2013. Flood Stage is 172 ft
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Datum: NGVD29
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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 Gauge - above Jefferson Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:178
Moderate Flood Stage:174.5
Flood Stage:172
Action Stage:171.5

Historical 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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Low Water Records
(1) 166.16 ft on 11/02/1956
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.
Flood Impacts & Photos Collapse
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.
About This Location Collapse

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)		 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 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  

Other Data Sources:
Additional Information Collapse
Gage site located at the SWEPCO Lieberman Power Plant.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Shreveport Weather Forecast Office
5655 Hollywood Avenue
Shreveport, LA 71109
(318) 631-3669
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