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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the Ohio River at Wellsville are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Montgomery Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at New Cumberland Lock and Dam
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 11
Action Stage: 9
Low Stage (in feet): 0

Historic Crests
(1) 20.90 ft on 01/20/1996
(2) 20.20 ft on 09/18/2004
(3) 16.70 ft on 01/06/2005

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.70 ft on 01/06/2005
(2) 20.20 ft on 09/18/2004
(3) 20.90 ft on 01/20/1996

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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
31 Water overtops the Corp of Engineers flood wall and water begins to flow into the town of Wellsville.
20.2 Flood waters reach the levels of flooding from Hurricane Ivan of September 19, 2004.
18 Water reaches the restaurant near the north end of the Lisbon Street Bridge.
16 Little Yellow Creek reaches bankful at the Lisbon Street Bridge. This area is not protected by the flood wall and the installation of flood gates at the Corps of Engineers local flood protection project.
14 Residential basements flood on Wells Avenue at the north end of town. This area is not protected by the flood wall and the installation of flood gates at the Corps of Engineers local flood protection project.
13 The picnic pavilion at the marina on Little Yellow Creek begins to flood. This area is not protected by the flood wall and the installation of flood gates at the Corps of Engineers flood protection project.
11 The parking lot of the marina outside the river wall begins to flood. This area is not protected by the flood wall and the installation of flood gates at the Corps of Engineers flood protection project.
9 Pumping operations begin at the corps of engineers local flood protection project
7 Preparations begin for activating pumps for local flood protection project
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) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

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

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
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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Page last modified: 2-Nov-2020 7:30 PM
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