National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Aberdeen, 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: Forecasts for the Snake Creek near Ashton are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Flood Categories (in feet)

Major Flood Stage:	16
Moderate Flood Stage:	13
Flood Stage:	11.5
Action Stage:	9.5
Low Stage (in feet):	-9999

Historic Crests
(1) 20.74 ft on 04/01/1997
(2) 19.79 ft on 03/20/2010
(3) 17.45 ft on 03/24/2011
(4) 17.21 ft on 04/10/1969
(5) 16.20 ft on 03/31/1978
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.45 ft on 03/24/2011
(2) 19.79 ft on 03/20/2010
(3) 20.74 ft on 04/01/1997
(4) 12.87 ft on 03/30/1989
(5) 5.21 ft on 04/03/1987
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
21	The Highway 281 bridge at the gauge and the bridge 2 miles west of Ashton are both overtopped
19	The water reaches the bottom of the Highway 281 bridge at the gauge
18	The water reaches the bottom of the bridge 2 miles west of Ashton
15.5	The bridges 1 mile east and 1 mile northwest of the gauge are both overtopped
13	The water reaches the bottom of the bridge 1 mile east of the gauge and the bridge 1 mile northwest of the gauge

About This Location

Latitude: 44.959167° N, Longitude: 98.515278° 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	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 Ashton

Additional Information

This location became an official NWS river forecast point on Monday, May 13, 2019. Routine high-water forecasts will be issued from that date forward.

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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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Page last modified: 4-Mar-2019 11:29 PM

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