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Weather Forecast Office Sioux Falls, SD

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: Not Available Metadata

NOTE: No forecasts are available for this location NOTE: Forecasts are not available for the East Fork Vermillion River near Ramona. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 11 Moderate Flood Stage: 8.5 Flood Stage: 7.5 Action Stage: 6.5 Low Stage (in feet): -9999 Historic Crests (1) 8.50 ft on 04/30/1997 (2) 8.39 ft on 02/12/1996 (3) 7.81 ft on 03/31/2001 (4) 6.17 ft on 03/24/1987 (5) 5.65 ft on 03/16/1988 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 7.81 ft on 03/31/2001 (2) 4.89 ft on 01/02/2000 (3) 5.43 ft on 04/16/1999 (4) 8.50 ft on 04/30/1997 (5) 8.39 ft on 02/12/1996 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

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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15	The bridge on 227th Street is overtopped.
12	Water reaches the bottom of the bridge on 227th Street.
11	The bridge on 226th Street at the gage is overtopped.
9.5	Water reaches the bottom of the bridge on 226th Street at the gage.
7.5	The bridge on 225th Street is overtopped, and significant amounts of agricultural land are flooded.
6.5	Minor lowland flooding begins as the right bank overflows.
Photos (1) Upstream View (2) Downstream View

About This Location

Latitude: 44.109722° N, Longitude: 97.386944° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 7.5 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 1678.46 ft 1685.96 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 Ramona

Additional Information

This gage has been discontinued

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Upper Missouri River Basin Monitoring Network Missouri Basin River Forecast Center North Central River Forecast Center NOHRSC Snow Information Drought Monitor USGS HADS River Stage Data Inundation Mapping Locations Precipitation Frequency Data Big Sioux Flood Information System Iowa Flood Center Minnesota DNR FEMA Region VIII Flood Information ___

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management SDSU Climate and Weather SDSU Drought Dashboard Iowa State University Soil Temperatures Iowa DNR State Beach Water Quality Daily High Temperature Map Daily Low Temperature Map Daily Precipitation Map Daily Snowfall Map Daily Snow Depth Map Report on July 29-30, 2010 heavy rain/flood event in Jerauld County

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