Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Shreveport, LA

West Gulf River Forecast Center

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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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. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Neches River near Alto are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 20 Moderate Flood Stage: 18 Flood Stage: 16 Action Stage: 15.5 Low Stage (in feet): -9999 Historic Crests (1) 28.20 ft on 05/01/1884 (2) 26.82 ft on 04/04/1945 (3) 24.46 ft on 05/07/1944 (4) 24.20 ft on 05/01/1935 (5) 23.44 ft on 04/30/1966 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 20.30 ft on 06/01/2021 (2) 18.33 ft on 04/24/2020 (3) 18.44 ft on 02/24/2020 (4) 22.03 ft on 05/20/2019 (5) 19.13 ft on 01/05/2019 Show More 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer 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

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23	Severe flooding of several barns, farm buildings and recreational areas will continue for the next several days. In addition, state highway 21 will be closed by high water.
21	Fishing cabins near the river face flooding.
20	Lowland flooding of the heavily wooded floodplain will continue for the next several days. As the river falls slowly, flooding will gradually decrease.
19	Preparations should be completed for a moderate flood. Barns and farm buildings near the river will be threatened by high water. In addition, ranchers should have completed moving cattle and equipment to higher ground.
18	Expect moderate to severe flooding of the heavily wooded floodplain. Boat ramps and picnic areas will be completely inundated.
16	Boat ramps and picnic areas near the river will begin to flood. Ranchers should move cattle and equipment near the river to higher ground.

About This Location

Latitude: 31.579200° N, Longitude: 95.165500° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 16 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 29 198.29 ft 214.29 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: U.S. Geological Survey (USGS) Data and Site Info for Alto

Additional Information

During periods of possible very heavy rainfall, river forecasts may take into account precipitation amounts expected 30, 36, or even 48 hours into the future from the forecast issuance time.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities