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Hydrograph River at a Glance Download
Ohio River at Lloyd Greenup Lock Tailwater (ft)Observed: 29.97 ft at 12:30PM May 13, 2022Observed: 29.9 ft at 12:45PM May 13, 2022Observed: 29.92 ft at 1:00PM May 13, 2022Observed: 30.15 ft at 1:15PM May 13, 2022Observed: 30.25 ft at 1:30PM May 13, 2022Observed: 30.31 ft at 1:45PM May 13, 2022Highest Observation: 30.41 ft at 2:00PM May 13, 2022Observed: 30.15 ft at 2:15PM May 13, 2022Observed: 30.15 ft at 2:30PM May 13, 2022Observed: 30.11 ft at 2:45PM May 13, 2022Observed: 30.06 ft at 3:00PM May 13, 2022Observed: 29.89 ft at 3:15PM May 13, 2022Observed: 29.81 ft at 3:30PM May 13, 2022Observed: 29.76 ft at 3:45PM May 13, 2022Observed: 29.69 ft at 4:00PM May 13, 2022Observed: 29.7 ft at 4:15PM May 13, 2022Observed: 29.67 ft at 4:30PM May 13, 2022Observed: 29.62 ft at 4:45PM May 13, 2022Observed: 29.6 ft at 5:00PM May 13, 2022Observed: 29.59 ft at 5:15PM May 13, 2022Observed: 29.6 ft at 5:30PM May 13, 2022Observed: 29.52 ft at 5:45PM May 13, 2022Observed: 29.5 ft at 6:00PM May 13, 2022Observed: 29.5 ft at 6:15PM May 13, 2022Observed: 29.48 ft at 6:30PM May 13, 2022Observed: 29.45 ft at 6:45PM May 13, 2022Observed: 29.43 ft at 7:00PM May 13, 2022Observed: 29.42 ft at 7:15PM May 13, 2022Observed: 29.46 ft at 7:30PM May 13, 2022Observed: 29.29 ft at 7:45PM May 13, 2022Observed: 29.38 ft at 8:00PM May 13, 2022Observed: 29.39 ft at 8:15PM May 13, 2022Observed: 29.35 ft at 8:30PM May 13, 2022Observed: 29.4 ft at 8:45PM May 13, 2022Observed: 29.32 ft at 9:00PM May 13, 2022Observed: 29.2 ft at 9:15PM May 13, 2022Observed: 29 ft at 9:30PM May 13, 2022Observed: 28.85 ft at 9:45PM May 13, 2022Observed: 28.82 ft at 10:00PM May 13, 2022Observed: 28.74 ft at 10:15PM May 13, 2022Observed: 28.72 ft at 10:30PM May 13, 2022Observed: 28.69 ft at 10:45PM May 13, 2022Observed: 28.63 ft at 11:00PM May 13, 2022Observed: 28.61 ft at 11:15PM May 13, 2022Observed: 28.59 ft at 11:30PM May 13, 2022Observed: 28.59 ft at 11:45PM May 13, 2022Observed: 28.57 ft at 12:00AM May 14, 2022Observed: 28.35 ft at 12:15AM May 14, 2022Observed: 28.53 ft at 12:30AM May 14, 2022Observed: 28.49 ft at 12:45AM May 14, 2022Observed: 28.45 ft at 1:00AM May 14, 2022Observed: 28.53 ft at 1:15AM May 14, 2022Observed: 28.45 ft at 1:30AM May 14, 2022Observed: 28.4 ft at 1:45AM May 14, 2022Observed: 28.4 ft at 2:00AM May 14, 2022Observed: 28.37 ft at 2:15AM May 14, 2022Observed: 28.37 ft at 2:30AM May 14, 2022Observed: 28.35 ft at 2:45AM May 14, 2022Observed: 28.35 ft at 3:00AM May 14, 2022Observed: 28.31 ft at 3:15AM May 14, 2022Observed: 28.3 ft at 3:30AM May 14, 2022Observed: 28.32 ft at 3:45AM May 14, 2022Observed: 28.24 ft at 4:00AM May 14, 2022Observed: 28.28 ft at 4:15AM May 14, 2022Observed: 28.35 ft at 4:30AM May 14, 2022Observed: 28.28 ft at 4:45AM May 14, 2022Observed: 28.28 ft at 5:00AM May 14, 2022Observed: 28.28 ft at 5:15AM May 14, 2022Observed: 28.31 ft at 5:30AM May 14, 2022Observed: 28.26 ft at 5:45AM May 14, 2022Observed: 28.21 ft at 6:00AM May 14, 2022Observed: 28.18 ft at 6:15AM May 14, 2022Observed: 28.2 ft at 6:30AM May 14, 2022Observed: 28.15 ft at 6:45AM May 14, 2022Observed: 28.16 ft at 7:00AM May 14, 2022Observed: 28.27 ft at 7:15AM May 14, 2022Observed: 28.05 ft at 7:30AM May 14, 2022Observed: 27.9 ft at 7:45AM May 14, 2022Observed: 27.91 ft at 8:00AM May 14, 2022Observed: 27.89 ft at 8:15AM May 14, 2022Observed: 27.81 ft at 8:30AM May 14, 2022Observed: 27.79 ft at 8:45AM May 14, 2022Observed: 27.69 ft at 9:00AM May 14, 2022Observed: 27.74 ft at 9:15AM May 14, 2022Observed: 27.7 ft at 9:30AM May 14, 2022Observed: 27.7 ft at 9:45AM May 14, 2022Observed: 27.64 ft at 10:00AM May 14, 2022Observed: 27.64 ft at 10:15AM May 14, 2022Observed: 27.63 ft at 10:30AM May 14, 2022Observed: 27.62 ft at 10:45AM May 14, 2022Observed: 27.59 ft at 11:00AM May 14, 2022Observed: 27.56 ft at 11:15AM May 14, 2022Observed: 27.55 ft at 11:30AM May 14, 2022Observed: 27.43 ft at 11:45AM May 14, 2022Observed: 27.2 ft at 12:00PM May 14, 2022Observed: 27.14 ft at 12:15PM May 14, 2022Observed: 27.1 ft at 12:30PM May 14, 2022Observed: 27.04 ft at 12:45PM May 14, 2022Observed: 27 ft at 1:00PM May 14, 2022Observed: 26.97 ft at 1:15PM May 14, 2022Observed: 26.91 ft at 1:30PM May 14, 2022Observed: 26.92 ft at 1:45PM May 14, 2022Observed: 26.92 ft at 2:00PM May 14, 2022Observed: 26.86 ft at 2:15PM May 14, 2022Observed: 26.82 ft at 2:30PM May 14, 2022Observed: 26.8 ft at 2:45PM May 14, 2022Observed: 26.69 ft at 3:00PM May 14, 2022Observed: 26.76 ft at 3:15PM May 14, 2022Observed: 26.71 ft at 3:30PM May 14, 2022Observed: 26.77 ft at 3:45PM May 14, 2022Observed: 26.66 ft at 4:00PM May 14, 2022Observed: 26.6 ft at 4:15PM May 14, 2022Observed: 26.63 ft at 4:30PM May 14, 2022Observed: 26.64 ft at 4:45PM May 14, 2022Observed: 26.58 ft at 5:00PM May 14, 2022Observed: 26.55 ft at 5:15PM May 14, 2022Observed: 26.58 ft at 5:30PM May 14, 2022Observed: 26.61 ft at 5:45PM May 14, 2022Observed: 26.56 ft at 6:00PM May 14, 2022Observed: 26.54 ft at 6:15PM May 14, 2022Observed: 26.56 ft at 6:30PM May 14, 2022Observed: 26.51 ft at 6:45PM May 14, 2022Observed: 26.6 ft at 7:00PM May 14, 2022Observed: 26.53 ft at 7:15PM May 14, 2022Observed: 26.49 ft at 7:30PM May 14, 2022Observed: 26.55 ft at 7:45PM May 14, 2022Observed: 26.49 ft at 8:00PM May 14, 2022Observed: 26.48 ft at 8:15PM May 14, 2022Observed: 26.46 ft at 8:30PM May 14, 2022Observed: 26.46 ft at 8:45PM May 14, 2022Observed: 26.13 ft at 9:00PM May 14, 2022Observed: 26.02 ft at 9:15PM May 14, 2022Observed: 25.92 ft at 9:30PM May 14, 2022Observed: 26.01 ft at 9:45PM May 14, 2022Observed: 25.8 ft at 10:00PM May 14, 2022Observed: 25.79 ft at 10:15PM May 14, 2022Observed: 25.73 ft at 10:30PM May 14, 2022Observed: 25.74 ft at 10:45PM May 14, 2022Observed: 25.68 ft at 11:00PM May 14, 2022Observed: 25.65 ft at 11:15PM May 14, 2022Observed: 25.57 ft at 11:30PM May 14, 2022Observed: 25.61 ft at 11:45PM May 14, 2022Observed: 25.56 ft at 12:00AM May 15, 2022Observed: 25.51 ft at 12:15AM May 15, 2022Observed: 25.54 ft at 12:30AM May 15, 2022Observed: 25.64 ft at 12:45AM May 15, 2022Observed: 25.51 ft at 1:00AM May 15, 2022Observed: 25.47 ft at 1:15AM May 15, 2022Observed: 25.48 ft at 1:30AM May 15, 2022Observed: 25.44 ft at 1:45AM May 15, 2022Observed: 25.44 ft at 2:00AM May 15, 2022Observed: 25.42 ft at 2:15AM May 15, 2022Observed: 25.39 ft at 2:30AM May 15, 2022Observed: 25.37 ft at 2:45AM May 15, 2022Observed: 25.39 ft at 3:00AM May 15, 2022Observed: 25.34 ft at 3:15AM May 15, 2022Observed: 25.32 ft at 3:30AM May 15, 2022Observed: 25.4 ft at 3:45AM May 15, 2022Observed: 25.31 ft at 4:00AM May 15, 2022Observed: 25.28 ft at 4:15AM May 15, 2022Observed: 25.17 ft at 4:30AM May 15, 2022Observed: 25.26 ft at 4:45AM May 15, 2022Observed: 25.23 ft at 5:00AM May 15, 2022Observed: 25.16 ft at 5:15AM May 15, 2022Observed: 24.98 ft at 5:30AM May 15, 2022Observed: 24.83 ft at 5:45AM May 15, 2022Observed: 24.89 ft at 6:00AM May 15, 2022Observed: 24.82 ft at 6:15AM May 15, 2022Observed: 24.71 ft at 6:30AM May 15, 2022Observed: 24.63 ft at 6:45AM May 15, 2022Observed: 24.66 ft at 7:00AM May 15, 2022Observed: 24.52 ft at 7:15AM May 15, 2022Observed: 24.57 ft at 7:30AM May 15, 2022Observed: 24.5 ft at 7:45AM May 15, 2022Observed: 24.45 ft at 8:00AM May 15, 2022Observed: 24.45 ft at 8:15AM May 15, 2022Observed: 24.4 ft at 8:30AM May 15, 2022Observed: 24.41 ft at 8:45AM May 15, 2022Observed: 24.36 ft at 9:00AM May 15, 2022Observed: 24.32 ft at 9:15AM May 15, 2022Observed: 24.33 ft at 9:30AM May 15, 2022Observed: 24.2 ft at 9:45AM May 15, 2022Observed: 24.06 ft at 10:00AM May 15, 2022Observed: 24.1 ft at 10:15AM May 15, 2022Observed: 24.04 ft at 10:30AM May 15, 2022Observed: 24.08 ft at 10:45AM May 15, 2022Observed: 23.98 ft at 11:00AM May 15, 2022Observed: 23.92 ft at 11:15AM May 15, 2022Observed: 23.93 ft at 11:30AM May 15, 2022Observed: 24.07 ft at 11:45AM May 15, 2022Observed: 23.97 ft at 12:00PM May 15, 2022Observed: 24.01 ft at 12:15PM May 15, 2022Observed: 24.04 ft at 12:30PM May 15, 2022Observed: 24.01 ft at 12:45PM May 15, 2022Observed: 24.05 ft at 1:00PM May 15, 2022Observed: 24.05 ft at 1:15PM May 15, 2022Observed: 24.03 ft at 1:30PM May 15, 2022Observed: 24.01 ft at 1:45PM May 15, 2022Observed: 24.07 ft at 2:00PM May 15, 2022Observed: 23.86 ft at 2:15PM May 15, 2022Observed: 23.76 ft at 2:30PM May 15, 2022Observed: 23.83 ft at 2:45PM May 15, 2022Observed: 23.75 ft at 3:00PM May 15, 2022Observed: 23.69 ft at 3:15PM May 15, 2022Observed: 23.67 ft at 3:30PM May 15, 2022Observed: 23.65 ft at 3:45PM May 15, 2022Observed: 23.68 ft at 4:00PM May 15, 2022Observed: 23.62 ft at 4:15PM May 15, 2022Observed: 23.56 ft at 4:30PM May 15, 2022Observed: 23.65 ft at 4:45PM May 15, 2022Observed: 23.49 ft at 5:00PM May 15, 2022Observed: 23.5 ft at 5:15PM May 15, 2022Observed: 23.49 ft at 5:30PM May 15, 2022Observed: 23.41 ft at 5:45PM May 15, 2022Observed: 23.47 ft at 6:00PM May 15, 2022Observed: 23.35 ft at 6:15PM May 15, 2022Observed: 23.29 ft at 6:30PM May 15, 2022Observed: 23.31 ft at 6:45PM May 15, 2022Observed: 23.22 ft at 7:00PM May 15, 2022Observed: 23.16 ft at 7:15PM May 15, 2022Observed: 23.08 ft at 7:30PM May 15, 2022Observed: 23 ft at 7:45PM May 15, 2022Observed: 22.91 ft at 8:00PM May 15, 2022Observed: 22.87 ft at 8:15PM May 15, 2022Observed: 22.8 ft at 8:30PM May 15, 2022Observed: 22.83 ft at 8:45PM May 15, 2022Observed: 22.76 ft at 9:00PM May 15, 2022Observed: 22.77 ft at 9:15PM May 15, 2022Observed: 22.69 ft at 9:30PM May 15, 2022Observed: 22.84 ft at 9:45PM May 15, 2022Observed: 22.71 ft at 10:00PM May 15, 2022Observed: 22.78 ft at 10:15PM May 15, 2022Observed: 22.69 ft at 10:30PM May 15, 2022Observed: 22.66 ft at 10:45PM May 15, 2022Observed: 22.64 ft at 11:00PM May 15, 2022Observed: 22.66 ft at 11:15PM May 15, 2022Observed: 22.67 ft at 11:30PM May 15, 2022Observed: 22.62 ft at 11:45PM May 15, 2022Observed: 22.62 ft at 12:00AM May 16, 2022Observed: 22.6 ft at 12:15AM May 16, 2022Observed: 22.64 ft at 12:30AM May 16, 2022Observed: 22.57 ft at 12:45AM May 16, 2022Observed: 22.59 ft at 1:00AM May 16, 2022Observed: 22.49 ft at 1:15AM May 16, 2022Observed: 22.61 ft at 1:30AM May 16, 2022Observed: 22.68 ft at 1:45AM May 16, 2022Observed: 22.57 ft at 2:00AM May 16, 2022Observed: 22.5 ft at 2:15AM May 16, 2022Observed: 22.52 ft at 2:30AM May 16, 2022Observed: 22.5 ft at 2:45AM May 16, 2022Observed: 22.51 ft at 3:00AM May 16, 2022Observed: 22.52 ft at 3:15AM May 16, 2022Observed: 22.55 ft at 3:30AM May 16, 2022Observed: 22.48 ft at 3:45AM May 16, 2022Observed: 22.53 ft at 4:00AM May 16, 2022Observed: 22.52 ft at 4:15AM May 16, 2022Observed: 22.52 ft at 4:30AM May 16, 2022Observed: 22.44 ft at 4:45AM May 16, 2022Observed: 22.42 ft at 5:00AM May 16, 2022Observed: 22.48 ft at 5:15AM May 16, 2022Observed: 22.46 ft at 5:30AM May 16, 2022Observed: 22.47 ft at 5:45AM May 16, 2022Observed: 22.47 ft at 6:00AM May 16, 2022Observed: 22.51 ft at 6:15AM May 16, 2022Observed: 22.48 ft at 6:30AM May 16, 2022Observed: 22.51 ft at 6:45AM May 16, 2022Observed: 22.48 ft at 7:00AM May 16, 2022Observed: 22.35 ft at 7:15AM May 16, 2022Observed: 22.44 ft at 7:30AM May 16, 2022Observed: 22.47 ft at 7:45AM May 16, 2022Observed: 22.55 ft at 8:00AM May 16, 2022Observed: 22.57 ft at 8:15AM May 16, 2022Observed: 22.73 ft at 8:30AM May 16, 2022Observed: 22.66 ft at 8:45AM May 16, 2022Observed: 22.8 ft at 9:00AM May 16, 2022Observed: 22.81 ft at 9:15AM May 16, 2022Observed: 22.76 ft at 9:30AM May 16, 2022Observed: 22.87 ft at 9:45AM May 16, 2022Highest Forecast: 22.7 ft 2:00PM May 16, 2022Forecast: 22.2 ft 8:00PM May 16, 2022Forecast: 21.7 ft 2:00AM May 17, 2022Forecast: 21.2 ft 8:00AM May 17, 2022Forecast: 21.1 ft 2:00PM May 17, 2022Forecast: 21.1 ft 8:00PM May 17, 2022Forecast: 21 ft 2:00AM May 18, 2022Forecast: 20.8 ft 8:00AM May 18, 2022Forecast: 20.7 ft 2:00PM May 18, 2022Forecast: 20.5 ft 8:00PM May 18, 2022Forecast: 20.2 ft 2:00AM May 19, 2022Forecast: 19.8 ft 8:00AM May 19, 2022Forecast: 19.4 ft 2:00PM May 19, 2022Forecast: 18.9 ft 8:00PM May 19, 2022Forecast: 18.6 ft 2:00AM May 20, 2022Forecast: 18.3 ft 8:00AM May 20, 2022Forecast: 18 ft 2:00PM May 20, 2022Forecast: 17.8 ft 8:00PM May 20, 2022Forecast: 17.6 ft 2:00AM May 21, 2022Forecast: 17.4 ft 8:00AM May 21, 2022USGS--Water Resources of the United StatesGNUK2(plotting HTIRG) Graph Created (12:20PM May 16, 2022)ObservedForecast (issued 10:50AM May 16)Latest observed value: 22.87 ft at 9:45 AM EDT 16-May-2022. Flood Stage is 54 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
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 Ohio River at Lloyd Greenup Lock are issued routinely year-round.

Vertical Datum reference a local datum

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Upstream Gauge - at Ironton Upstream Gauge Downstream Gauge Downstream Gauge - at Portsmouth
Flood Categories (in feet)
Major Flood Stage: 62
Moderate Flood Stage: 56
Flood Stage: 54
Action Stage: 52
Low Stage (in feet): -9999

Historic Crests
(1) 74.70 ft on 01/27/1937
(2) 64.50 ft on 03/31/1913
(3) 64.00 ft on 02/12/1884
(4) 62.30 ft on 03/04/1997
(5) 61.70 ft on 03/09/1945
(6) 59.20 ft on 12/11/1978
(7) 59.19 ft on 02/28/1979
(8) 57.99 ft on 03/03/2021
(9) 57.14 ft on 02/20/2018
(10) 56.80 ft on 03/13/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 57.99 ft on 03/03/2021
(2) 54.94 ft on 02/15/2020
(3) 51.84 ft on 12/24/2018
(4) 57.14 ft on 02/20/2018
(5) 54.72 ft on 03/14/2015
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.

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
74.7 This flood will exceed the highest stage on record. Large amounts of property damage is expected. Evacuation of homes and businesses will be required.
69 Highest ground in Greenup is flooded. Route 23 is closed.
68 Water enters 900f residental area of Greenup. CSX Railroad is closed in all parts of Greenup.
67 Berry Street in Greenup is flooded.
66 Womeck Cemetery is flooded.
65 Backwater flooding into Raccoon Creek begins.
64 CSX Railroad is closed on east side of Greenup.
62 Water enters Greenup High School.
56 Several low lying areas flooded and backwater affected on both sides of the river.
54 This will cause minor flooding of mainly low-lying areas. Backwater flooding starts on both sides of the river.
54 This will cause minor flooding of mainly low-lying areas. Backwater flooding starts on both sides of the river.
About This Location Collapse

Latitude: 38.646667° N, Longitude: 82.860556° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 54 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 472.97 ft 526.97 ft COE1912

Current/Historical Observations:

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
10 day (HEFS) 7 Day (NAEFS) River Forecast vs. River Potential
HEFS Ensemble NAEFS Ensemble One Page Explainer

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 7 and 10 day graphics.

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) 356-5885
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Page last modified: 2-Nov-2020 7:30 PM
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