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Weather Forecast Office Omaha/Valley, NE

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (CDT)

Datum: NGVD29

Metadata

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.

NOTE: Forecasts for the Salt Creek at Roca are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	23
Moderate Flood Stage:	21.5
Flood Stage:	19
Action Stage:	14
Low Stage (in feet):	-9999

Historic Crests
(1) 26.00 ft on 05/08/1950
(2) 22.70 ft on 07/10/1958
(3) 22.00 ft on 06/02/1951
(4) 21.86 ft on 05/07/2015
(5) 21.76 ft on 07/25/1992
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.26 ft on 05/28/2019
(2) 18.74 ft on 09/04/2018
(3) 17.41 ft on 05/20/2017
(4) 18.34 ft on 05/28/2016
(5) 21.86 ft on 05/07/2015
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

Zoom Level:14

	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	Major flooding has inundated the vast majority of the reach as well as the town of Roca.
23.2	Roca begins to flood as the railroad tracks have been overtopped.
22.55	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.
21.5	Widespread flooding is occurring along the reach.
19.5	Roca road west of the gage site floods.
19	Lowlands on the left bank begin to flood.
18	Saltillo Road located 2.8 miles downstream of the gage near Highway 77 floods.

About This Location

Latitude: 40.657870° N, Longitude: 96.665500° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	19 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	1192.5 ft	1211.5 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 Roca

Additional Information

How low could the river get?

Resources

Hydrologic Resources

Additional Resources

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
Omaha/Valley Weather Forecast Office
6707 N. 288th Street
Valley, NE 68064-9443
(402) 359-5166
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Page last modified: 1-Mar-2019 12:34 AM

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