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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: NAVD88 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 East Nishnabotna River at Red Oak 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: 27 Moderate Flood Stage: 22 Flood Stage: 18 Action Stage: 16 Low Stage (in feet): -9999 Historic Crests (1) 29.39 ft on 06/15/1998 (2) 28.23 ft on 06/13/1947 (3) 27.43 ft on 09/13/1972 (4) 27.27 ft on 07/03/1958 (5) 26.30 ft on 06/07/1917 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 9.54 ft on 07/11/2021 (2) 9.09 ft on 02/18/2020 (3) 24.61 ft on 03/14/2019 (4) 16.09 ft on 07/01/2018 (5) 15.61 ft on 05/20/2017 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:14 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
37	Water begins to flow over the Coolbaugh Street bridge at the gage site.
36	Water nears the top of the federal levee protecting Red Oak.
30	Water approaches the bottom of the bridge at Coolbaugh Street.
29.5	The airport begins to flood.
28.5	West Coolbaugh Street begins to flood.
27	200th Street, also known as H34, begins to flood east of the airport.
25	Highway 34 west of Broadway Street begins to flood.
22	Buildings between G Avenue and the river begin to flood. Also G Avenue is likely closed due to flooding.
20	Lowland flooding begins along the west bank.
18	Rural lowlands begin to flood along the east bank.
Photos (1) Gage equipment on site (2) Radar sensor (3) Looking downstream from gauge site (stage = 5.6 feet) (4) Looking upstream from gauge site (stage = 5.6 feet)

About This Location

Latitude: 41.008921° N, Longitude: 95.242393° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 18 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 1005.55 ft 1023.55 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   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Red Oak

Additional Information

The graph below is from the USGS and represents river discharge. How low could the river get?

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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