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Hydrograph River at a Glance Download
Ohio River at R C Byrd Lock Tailwater (ft)Observed: 27.25 ft at 4:00PM Sep 18, 2018Observed: 27.45 ft at 5:00PM Sep 18, 2018Observed: 27.64 ft at 6:00PM Sep 18, 2018Observed: 27.73 ft at 7:00PM Sep 18, 2018Observed: 27.79 ft at 8:00PM Sep 18, 2018Observed: 27.82 ft at 9:00PM Sep 18, 2018Observed: 28.1 ft at 10:00PM Sep 18, 2018Observed: 28.2 ft at 11:00PM Sep 18, 2018Observed: 28.46 ft at 12:00AM Sep 19, 2018Observed: 28.68 ft at 1:00AM Sep 19, 2018Observed: 28.76 ft at 2:00AM Sep 19, 2018Observed: 28.65 ft at 3:00AM Sep 19, 2018Observed: 29 ft at 4:00AM Sep 19, 2018Observed: 29.18 ft at 5:00AM Sep 19, 2018Observed: 29.31 ft at 6:00AM Sep 19, 2018Observed: 29.48 ft at 7:00AM Sep 19, 2018Observed: 29.53 ft at 8:00AM Sep 19, 2018Observed: 29.53 ft at 8:19AM Sep 19, 2018Observed: 29.74 ft at 9:00AM Sep 19, 2018Observed: 29.84 ft at 10:00AM Sep 19, 2018Observed: 29.84 ft at 10:05AM Sep 19, 2018Observed: 30.05 ft at 11:00AM Sep 19, 2018Observed: 30.3 ft at 12:00PM Sep 19, 2018Observed: 30.37 ft at 1:00PM Sep 19, 2018Observed: 30.45 ft at 2:00PM Sep 19, 2018Observed: 30.45 ft at 3:00PM Sep 19, 2018Observed: 30.53 ft at 4:00PM Sep 19, 2018Observed: 30.62 ft at 5:00PM Sep 19, 2018Observed: 30.57 ft at 6:00PM Sep 19, 2018Observed: 30.53 ft at 7:00PM Sep 19, 2018Observed: 30.6 ft at 8:00PM Sep 19, 2018Observed: 30.63 ft at 9:00PM Sep 19, 2018Observed: 30.64 ft at 10:00PM Sep 19, 2018Highest Observation: 30.68 ft at 11:00PM Sep 19, 2018Observed: 30.61 ft at 12:00AM Sep 20, 2018Observed: 30.57 ft at 1:00AM Sep 20, 2018Observed: 30.56 ft at 2:00AM Sep 20, 2018Observed: 30.56 ft at 3:00AM Sep 20, 2018Observed: 30.54 ft at 4:00AM Sep 20, 2018Observed: 30.54 ft at 5:00AM Sep 20, 2018Observed: 30.52 ft at 6:00AM Sep 20, 2018Observed: 30.5 ft at 7:00AM Sep 20, 2018Observed: 30.45 ft at 8:00AM Sep 20, 2018Observed: 30.34 ft at 9:00AM Sep 20, 2018Observed: 30.42 ft at 10:00AM Sep 20, 2018Observed: 30.21 ft at 11:00AM Sep 20, 2018Observed: 30.23 ft at 12:00PM Sep 20, 2018Observed: 30.21 ft at 1:00PM Sep 20, 2018Observed: 30.18 ft at 1:30PM Sep 20, 2018Observed: 30.06 ft at 2:00PM Sep 20, 2018Observed: 29.89 ft at 3:00PM Sep 20, 2018Observed: 29.85 ft at 4:00PM Sep 20, 2018Observed: 29.82 ft at 4:15PM Sep 20, 2018Observed: 29.62 ft at 5:00PM Sep 20, 2018Observed: 29.4 ft at 6:00PM Sep 20, 2018Observed: 29 ft at 7:00PM Sep 20, 2018Observed: 28.8 ft at 8:00PM Sep 20, 2018Observed: 28.4 ft at 9:00PM Sep 20, 2018Observed: 28.28 ft at 10:00PM Sep 20, 2018Observed: 27.74 ft at 11:00PM Sep 20, 2018Observed: 27.57 ft at 12:00AM Sep 21, 2018Observed: 27.51 ft at 1:00AM Sep 21, 2018Observed: 26.93 ft at 2:00AM Sep 21, 2018Observed: 26.7 ft at 3:00AM Sep 21, 2018Observed: 26.52 ft at 4:00AM Sep 21, 2018Observed: 26.34 ft at 5:00AM Sep 21, 2018Observed: 26.38 ft at 6:00AM Sep 21, 2018Observed: 25.9 ft at 7:00AM Sep 21, 2018Observed: 25.81 ft at 8:00AM Sep 21, 2018Observed: 25.69 ft at 9:00AM Sep 21, 2018Observed: 25.48 ft at 10:00AM Sep 21, 2018Observed: 24.83 ft at 12:00PM Sep 21, 2018Observed: 24.79 ft at 1:00PM Sep 21, 2018Observed: 24.65 ft at 2:00PM Sep 21, 2018Highest Forecast: 23.8 ft 8:00PM Sep 21, 2018Forecast: 22.5 ft 2:00AM Sep 22, 2018Forecast: 21.5 ft 8:00AM Sep 22, 2018Forecast: 20.9 ft 2:00PM Sep 22, 2018Forecast: 20.4 ft 8:00PM Sep 22, 2018Forecast: 19.9 ft 2:00AM Sep 23, 2018Forecast: 19.5 ft 8:00AM Sep 23, 2018Forecast: 19.1 ft 2:00PM Sep 23, 2018Forecast: 18.8 ft 8:00PM Sep 23, 2018Forecast: 18.5 ft 2:00AM Sep 24, 2018Forecast: 18.2 ft 8:00AM Sep 24, 2018Forecast: 17.9 ft 2:00PM Sep 24, 2018Forecast: 17.6 ft 8:00PM Sep 24, 2018Forecast: 17.3 ft 2:00AM Sep 25, 2018Forecast: 17.1 ft 8:00AM Sep 25, 2018Forecast: 16.8 ft 2:00PM Sep 25, 2018Forecast: 16.5 ft 8:00PM Sep 25, 2018Forecast: 16.2 ft 2:00AM Sep 26, 2018Forecast: 15.9 ft 8:00AM Sep 26, 2018GALW2(plotting HTIRZ) Graph Created (3:04PM Sep 21, 2018)ObservedForecast (issued 2:35PM Sep 21)Latest observed value: 24.65 ft at 2:00 PM EDT 21-Sep-2018. Flood Stage is 50 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Ohio River at R C Byrd Lock are issued routinely year-round.

Vertical Datum reference a local datum

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Upstream Gauge - at Point Pleasant Upstream Gauge Downstream Gauge Downstream Gauge - at Huntington
Flood Categories (in feet)
Major Flood Stage: 56
Moderate Flood Stage: 52
Flood Stage: 50
Action Stage: 48
Low Stage (in feet): -9999

Historic Crests
(1) 69.60 ft on 01/27/1937
(2) 67.90 ft on 03/30/1913
(3) 65.50 ft on 02/11/1884
(4) 61.10 ft on 04/16/1948
(5) 60.45 ft on 03/23/1936
(6) 60.40 ft on 01/02/1943
(7) 59.25 ft on 03/10/1945
(8) 57.50 ft on 03/08/1955
(9) 57.10 ft on 04/23/1940
(10) 56.40 ft on 03/22/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 51.52 ft on 02/20/2018
(2) 50.42 ft on 02/20/2018
(3) 52.10 ft on 02/19/2018
(4) 49.11 ft on 03/06/2015
(5) 51.31 ft on 03/13/2011
(6) 50.31 ft on 01/09/2005
(7) 51.01 ft on 09/20/2004
(8) 46.96 ft on 02/25/2003
(9) 55.00 ft on 03/04/1997
(10) 51.60 ft on 01/21/1996
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.10 ft on 01/01/1906
(2) 12.37 ft on 06/13/1999

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 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 Collapse
If you notice any errors in the below information, please contact our Webmaster
67.9 In Gallipolis, all of Front Street, Second, Third and Fourth Avenues are flooded.
56 The City of Gallipolis is surrounded by water.
52 Cultivated lands and low sections along the river on the West Virginia side of the river are flooded.
50 Sections of Route 7 and portions of Gallipolis along the immediate river will flood. Also, bottom lands on the Ohio side of the river is flooded.
49 Sections of Route 7 in Ohio at Teens Run, Chickamauga Creek, Kyger Creek, Clay Chapel, Clay School and just above Route 218 start to flood. Also, sections of Route 2 in West Virginia at Jerry's Run, the old Coast Guard Station and Glenwood start to flood.
41 The Spruce Street Chickamauga Creek bridge is closed due to flooding of low areas around the bridge.
About This Location Collapse

Latitude: 38.680278° N, Longitude: 82.187500° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 50 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 503.000 ft 553.000 ft  
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

Normal upper pool elevation 538.0' m.s.l., upper pool length is 41.7 miles to Racine Dam on Ohio River and 44.6 miles to Winfield Dam on the Kanawha River. Normal upper pool surface area 12,600 acres, normal lower pool elevation 515.0' m.s.l., (upper pool of Greenup Dam), and normal lift 23.0'
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
400 Parkway Road
Charleston, WV 25309
(304) 746-0180
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