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Weather Forecast Office Omaha/Valley, NE

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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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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Printable Image About this graph Tabular Data (UTC) Tabular Data (CST) Datum: NGVD29 Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. NOTE: Stage may be affected by ice. NOTE: Forecasts for the Maple Creek near Nickerson are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet) Major Flood Stage: 17 Moderate Flood Stage: 13 Flood Stage: 11.5 Action Stage: 10 Low Stage (in feet): -9999 Historic Crests (1) 17.78 ft on 03/14/2019 (2) 17.65 ft on 06/17/1984 (3) 17.33 ft on 08/06/1996 (4) 16.54 ft on 06/18/1983 (5) 16.32 ft on 05/30/2008 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 7.41 ft on 10/28/2021 (2) 8.36 ft on 02/03/2020 (3) 17.78 ft on 03/14/2019 (4) 13.94 ft on 06/26/2018 (5) 8.94 ft on 05/17/2017 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:11 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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17	There will be road overflow at Highway 77 between the overflow bridges (0.5 mile and 0.75 north of the main channel) and north of the second bridge for about 0.5 mile.
14	Water begins to impact the bridge at Highway 275/77 at Maple Creek.
13	Water will begin to overflow Nickerson Road just north of Nickerson. In addition, water begins to overflow in between two bridges located 0.5 mile and 0.75 mile north of the main channel.
10	Water leaves the channel and lowland flooding begins.
Photos (1) Highway 275/77 near Nickerson (stage=14.85 feet) (2) Highway 275/77 near Nickerson (stage=10.4 feet) (3) Looking upstream from gauge site (stage = 10.4 feet) (4) Looking downstream from gauge site (stage=10.4 feet) (5) Looking upstream from Highway 275/77 near Nickerson (stage=10.4 feet)

About This Location

Latitude: 41.561185° N, Longitude: 96.541004° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 11.5 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 1211.62 ft 1223.12 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 Nickerson

Additional Information

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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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