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: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Omaha/Valley, NE

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NAVD88 Metadata

NOTE: Forecasts are not available for the South Papillion Creek near Gretna. Only observed stages are available for this point.

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Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 28 Moderate Flood Stage: 24 Flood Stage: 22 Action Stage: 17.5 Low Stage (in feet): -9999 Historic Crests (1) 16.16 ft on 08/23/2016 (2) 15.33 ft on 06/20/2014 (3) 13.12 ft on 05/28/2019 (4) 13.08 ft on 09/24/2015 (5) 13.02 ft on 08/31/2021 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 10.63 ft on 06/15/2022 (2) 13.02 ft on 08/31/2021 (3) 6.42 ft on 07/01/2020 (4) 13.12 ft on 05/28/2019 (5) 11.00 ft on 06/25/2018 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:12 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

If you notice any errors in the below information, please contact our Webmaster
26.4	This level represents a flood that has a 1-percent chance of being equaled or exceeded in any given year. For more information click here.
24	Areas along the south bank begin to flood.
23	Water reaches the bottom of the 192nd street bridge at the gage site.
22	Low lying areas begin to flood.
Photos (1) Papio NRD Alert Station (2) Looking upstream from gauge site (stage = 5.73 feet) (3) Looking downstream (4) Wire weight and radar gauge

About This Location

Latitude: 41.173064° N, Longitude: 96.215848° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 22 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 1118.80 ft 1140.80 ft 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 Not Available Not Available Gage zero datum determined using Papio-Missouri River NRD brass elevation cap (no stamp). Gage height of cap is 27.91 feet. Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Gretna

Additional Information

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Tabular River Summary (updated hourly) Area CoCoRaHS Reports (updated around 10 am)

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Drought Monitor Snowpack Information (Missouri River Basin) Snowpack Information (zoomed) Mountain Snowpack Information (USACE) Mountain Snowpack Information (from NRCS) USGS Water Alert AHPS Feedback

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