National Weather Service Advanced Hydrologic Prediction Service

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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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Charleston, WV

Ohio River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (EDT)

Datum: NAVD88

Metadata

NOTE: River Forecasts typically include ONLY 2 days of future rain from forecast issuance time (lower right of graph). Occasionally 3 days of future rain included.

NOTE: Forecasts for the Tug Fork River at Williamson are issued routinely year-round.

Vertical datum height surveyed by the USGS

Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet)

Major Flood Stage:	42.7
Moderate Flood Stage:	32
Flood Stage:	27
Action Stage:	25
Low Stage (in feet):	-9999

Historic Crests
(1) 52.56 ft on 04/05/1977
(2) 44.94 ft on 05/08/1984
(3) 44.50 ft on 03/12/1963
(4) 43.60 ft on 01/30/1957
(5) 42.15 ft on 05/03/2002
(6) 42.00 ft on 07/29/1875
(7) 40.73 ft on 05/10/2009
(8) 40.70 ft on 03/07/1967
(9) 39.65 ft on 03/05/2015
(10) 39.40 ft on 03/02/2021
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.14 ft on 01/02/2022 (P)
(2) 27.67 ft on 03/29/2021
(3) 39.40 ft on 03/02/2021
(4) 34.18 ft on 02/07/2020
(5) 35.93 ft on 02/11/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -15.00 ft on 01/01/1898
(2) -0.80 ft on 10/02/1908
(3) 1.29 ft on 08/19/1988
(4) 1.52 ft on 08/22/1987
(5) 1.75 ft on 09/26/1984
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Show FEMA's National Flood Hazard Layers

Zoom Level:15

	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
63	The Flood wall will protect downtown Williamson up to 63 feet. Major flooding occurs outside the flood walls.
43	The Sycamore Inn, 2nd Avenue Bridge, Riverside School and both Armory Road flood gates are closed at 43 feet and above.
42.7	Many homes and business outside the flood walls are flooded in Williamson and South Williamson.
40	Between 40 and 42 feet, the upper flood gate at the water treatment plant, across the rail lines and the Harvey Street Bridge flood gate are closed.
38	The South Williams flood gate is closed on Highway 292. Also, sections of Highway 292 outside the flood gate is flooded.
37	Several roads outside of Williamson and South Williamson are flooded and closed. The flood gate is closed at the South Williamson Flood Wall.
34	Water surrounds the water treatment plant in Williamson.
32	Water covers Fairview Addition Road (Old Route 52). More areas near the river outside the flood walls are flooded.
29.5	The railroad yard in Williamson is affected. Route 612 near Turkey Creek in South Williamson floods. Also, low areas next to the river outside the flood walls of Williamson West Virginia and South Williamson Kentucky are flooded.
28	The water treatment plant flood gate in Williamson is closed.
27	Route 612 near Turkey Creek in South Williamson floods. Also, Both the Harvey and Vinson Street water pumps are engaged.

About This Location

Latitude: 37.673056° N, Longitude: 82.280278° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	27 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	619.91 ft	646.68 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 Williamson

Additional Information

Potential River Levels - Used to

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 day (HEFS)	10 Day (NAEFS)	River Forecast vs. River Potential

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

See the Product Description Document link for more details on the interpretation of the 10 day graphics.

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
Charleston Weather Forecast Office
1754 Hendrickson Drive
South Charleston, WV 25303
(304) 356-5885
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Page last modified: 2-Nov-2020 7:30 PM

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