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 Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

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.

DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Weather Forecast Office Sioux Falls, SD

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: Gauge reading may be affected by ice. NOTE: Forecasts for the East Fork Vermillion River near Parker 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: 16 Moderate Flood Stage: 14 Flood Stage: 12 Action Stage: 10 Low Stage (in feet): -9999 Historic Crests (1) 17.60 ft on 09/13/2019 (2) 16.09 ft on 03/14/2019 (3) 14.92 ft on 03/13/2010 (4) 12.73 ft on 03/22/1997 (5) 12.18 ft on 06/25/2003 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 5.14 ft on 07/08/2022 (2) 5.04 ft on 04/12/2021 (3) 9.62 ft on 03/09/2020 (4) 17.60 ft on 09/13/2019 (5) 16.09 ft on 03/14/2019 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

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21.5	Water overtops the 272nd Street bridge at the gage site.
20.5	272nd Street near the gage is flooded.
19.5	Water reaches the bottom of the bridge on 272nd Street at the gage.
17	Hwy 19 north of 272nd begins to floood. Water begins to approach at least one house off of 272nd St.
16.5	275th east of Parker is flooded. The bridge on 271st St just west of Highway 19 is overtopped.
16	The bridges on 455th Avenue and 456th Avenue are both overtopped and water may approach 275th west of Parker.
15	Water reaches the bottom of the bridge on 456th Avenue.
14	Water reaches the bottom of the bridge on 455th Avenue.
13	Water reaches the bottom of the bridge on 273rd St and water may begin to surround a few outbuildings near the gauge location.
12	Flooding of agricultural land begins.
10	Some flooding is possible across the lowest banks and ditches.
Photos (1) Downstream View (6/1/2023) (2) Upstream View (6/1/2023)

About This Location

Latitude: 43.445259° N, Longitude: 97.109478° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 12 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 1321.00 1333.00 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 Parker

Additional Information

How low could the river get?

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 South Dakota 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

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