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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...


NOTE: Gauge readings may be delayed or temporarily unavailable due to satellite communication issues.
Weather Forecast Office Pittsburgh, PA Ohio River Forecast Center
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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Allegheny River at Sharpsburg Lock and Dam Pool (ft)Flow (kcfs)Observed: 10.72 ft at 3:45PM May 21, 2013Observed: 10.76 ft at 4:00PM May 21, 2013Observed: 10.74 ft at 4:15PM May 21, 2013Observed: 10.72 ft at 4:30PM May 21, 2013Observed: 10.71 ft at 4:45PM May 21, 2013Observed: 10.72 ft at 5:00PM May 21, 2013Observed: 10.72 ft at 5:15PM May 21, 2013Observed: 10.74 ft at 5:30PM May 21, 2013Highest Observation: 10.78 ft at 5:45PM May 21, 2013Observed: 10.71 ft at 6:00PM May 21, 2013Observed: 10.72 ft at 6:15PM May 21, 2013Observed: 10.71 ft at 6:30PM May 21, 2013Observed: 10.71 ft at 6:45PM May 21, 2013Observed: 10.7 ft at 7:15PM May 21, 2013Observed: 10.71 ft at 7:30PM May 21, 2013Observed: 10.7 ft at 7:45PM May 21, 2013Observed: 10.71 ft at 8:00PM May 21, 2013Observed: 10.67 ft at 8:15PM May 21, 2013Observed: 10.76 ft at 8:30PM May 21, 2013Observed: 10.69 ft at 8:45PM May 21, 2013Observed: 10.71 ft at 9:00PM May 21, 2013Observed: 10.72 ft at 9:15PM May 21, 2013Observed: 10.69 ft at 9:30PM May 21, 2013Observed: 10.71 ft at 9:45PM May 21, 2013Observed: 10.7 ft at 10:00PM May 21, 2013Observed: 10.69 ft at 10:30PM May 21, 2013Observed: 10.71 ft at 10:45PM May 21, 2013Observed: 10.69 ft at 11:00PM May 21, 2013Observed: 10.72 ft at 11:15PM May 21, 2013Observed: 10.69 ft at 11:30PM May 21, 2013Observed: 10.69 ft at 11:45PM May 21, 2013Observed: 10.69 ft at 12:00AM May 22, 2013Observed: 10.68 ft at 12:15AM May 22, 2013Observed: 10.69 ft at 12:30AM May 22, 2013Observed: 10.69 ft at 12:45AM May 22, 2013Observed: 10.68 ft at 1:00AM May 22, 2013Observed: 10.68 ft at 1:15AM May 22, 2013Observed: 10.68 ft at 1:30AM May 22, 2013Observed: 10.68 ft at 1:45AM May 22, 2013Observed: 10.69 ft at 2:00AM May 22, 2013Observed: 10.68 ft at 2:15AM May 22, 2013Observed: 10.68 ft at 2:30AM May 22, 2013Observed: 10.68 ft at 2:45AM May 22, 2013Observed: 10.67 ft at 3:00AM May 22, 2013Observed: 10.67 ft at 3:15AM May 22, 2013Observed: 10.67 ft at 3:30AM May 22, 2013Observed: 10.68 ft at 3:45AM May 22, 2013Observed: 10.67 ft at 4:00AM May 22, 2013Observed: 10.67 ft at 4:15AM May 22, 2013Observed: 10.67 ft at 4:30AM May 22, 2013Observed: 10.67 ft at 4:45AM May 22, 2013Observed: 10.67 ft at 5:00AM May 22, 2013Observed: 10.67 ft at 5:15AM May 22, 2013Observed: 10.67 ft at 5:30AM May 22, 2013Observed: 10.67 ft at 5:45AM May 22, 2013Observed: 10.66 ft at 6:15AM May 22, 2013Observed: 10.67 ft at 6:30AM May 22, 2013Observed: 10.66 ft at 6:45AM May 22, 2013Observed: 10.67 ft at 7:15AM May 22, 2013Observed: 10.67 ft at 7:30AM May 22, 2013Observed: 10.67 ft at 7:45AM May 22, 2013Observed: 10.68 ft at 8:00AM May 22, 2013Observed: 10.66 ft at 8:15AM May 22, 2013Observed: 10.65 ft at 8:30AM May 22, 2013Observed: 10.67 ft at 8:45AM May 22, 2013Observed: 10.66 ft at 9:00AM May 22, 2013Observed: 10.65 ft at 9:45AM May 22, 2013Observed: 10.64 ft at 10:00AM May 22, 2013Observed: 10.62 ft at 10:15AM May 22, 2013Observed: 10.63 ft at 10:30AM May 22, 2013Observed: 10.61 ft at 11:00AM May 22, 2013Observed: 10.61 ft at 11:30AM May 22, 2013Observed: 10.6 ft at 11:45AM May 22, 2013Observed: 10.61 ft at 12:00PM May 22, 2013Observed: 10.57 ft at 12:15PM May 22, 2013Observed: 10.65 ft at 12:30PM May 22, 2013Observed: 10.6 ft at 12:45PM May 22, 2013Observed: 10.6 ft at 1:30PM May 22, 2013Observed: 10.61 ft at 1:45PM May 22, 2013Observed: 10.6 ft at 2:00PM May 22, 2013Observed: 10.61 ft at 2:15PM May 22, 2013Observed: 10.6 ft at 2:30PM May 22, 2013Observed: 10.62 ft at 2:45PM May 22, 2013Observed: 10.62 ft at 3:00PM May 22, 2013Observed: 10.62 ft at 3:15PM May 22, 2013Observed: 10.63 ft at 3:30PM May 22, 2013Observed: 10.62 ft at 3:45PM May 22, 2013Observed: 10.63 ft at 4:00PM May 22, 2013Observed: 10.61 ft at 4:15PM May 22, 2013Observed: 10.59 ft at 4:30PM May 22, 2013Observed: 10.58 ft at 4:45PM May 22, 2013Observed: 10.6 ft at 5:00PM May 22, 2013Observed: 10.62 ft at 5:15PM May 22, 2013Observed: 10.6 ft at 5:45PM May 22, 2013Observed: 10.61 ft at 6:00PM May 22, 2013Observed: 10.61 ft at 6:15PM May 22, 2013Observed: 10.6 ft at 6:45PM May 22, 2013Observed: 10.6 ft at 7:00PM May 22, 2013Observed: 10.69 ft at 7:15PM May 22, 2013Observed: 10.59 ft at 7:45PM May 22, 2013Observed: 10.6 ft at 8:00PM May 22, 2013Observed: 10.56 ft at 8:15PM May 22, 2013Observed: 10.6 ft at 8:30PM May 22, 2013Observed: 10.6 ft at 8:45PM May 22, 2013Observed: 10.6 ft at 9:00PM May 22, 2013Observed: 10.6 ft at 9:15PM May 22, 2013Observed: 10.59 ft at 9:30PM May 22, 2013Observed: 10.59 ft at 9:45PM May 22, 2013Observed: 10.58 ft at 10:00PM May 22, 2013Observed: 10.6 ft at 10:15PM May 22, 2013Observed: 10.59 ft at 10:30PM May 22, 2013Observed: 10.59 ft at 10:45PM May 22, 2013Observed: 10.59 ft at 11:00PM May 22, 2013Observed: 10.59 ft at 11:15PM May 22, 2013Observed: 10.6 ft at 11:30PM May 22, 2013Observed: 10.59 ft at 11:45PM May 22, 2013Observed: 10.58 ft at 12:00AM May 23, 2013Observed: 10.58 ft at 12:15AM May 23, 2013Observed: 10.58 ft at 12:30AM May 23, 2013Observed: 10.59 ft at 12:45AM May 23, 2013Observed: 10.58 ft at 1:00AM May 23, 2013Observed: 10.58 ft at 1:15AM May 23, 2013Observed: 10.59 ft at 1:30AM May 23, 2013Observed: 10.58 ft at 1:45AM May 23, 2013Observed: 10.59 ft at 2:00AM May 23, 2013Observed: 10.62 ft at 2:15AM May 23, 2013Observed: 10.62 ft at 2:30AM May 23, 2013Observed: 10.62 ft at 2:45AM May 23, 2013Observed: 10.62 ft at 3:15AM May 23, 2013Observed: 10.63 ft at 3:30AM May 23, 2013Observed: 10.63 ft at 3:45AM May 23, 2013Observed: 10.63 ft at 4:00AM May 23, 2013Observed: 10.62 ft at 4:15AM May 23, 2013Observed: 10.63 ft at 4:30AM May 23, 2013Observed: 10.62 ft at 4:45AM May 23, 2013Observed: 10.62 ft at 5:00AM May 23, 2013Observed: 10.62 ft at 5:15AM May 23, 2013Observed: 10.62 ft at 5:30AM May 23, 2013Observed: 10.62 ft at 5:45AM May 23, 2013Observed: 10.62 ft at 6:00AM May 23, 2013Observed: 10.62 ft at 6:15AM May 23, 2013Observed: 10.63 ft at 6:30AM May 23, 2013Observed: 10.62 ft at 6:45AM May 23, 2013Observed: 10.61 ft at 7:00AM May 23, 2013Observed: 10.62 ft at 7:15AM May 23, 2013Observed: 10.62 ft at 7:30AM May 23, 2013Observed: 10.61 ft at 7:45AM May 23, 2013Observed: 10.61 ft at 8:00AM May 23, 2013Observed: 10.61 ft at 8:15AM May 23, 2013Observed: 10.59 ft at 8:30AM May 23, 2013Observed: 10.61 ft at 8:45AM May 23, 2013Observed: 10.61 ft at 9:00AM May 23, 2013Observed: 10.61 ft at 9:15AM May 23, 2013Observed: 10.6 ft at 9:30AM May 23, 2013Observed: 10.61 ft at 9:45AM May 23, 2013Observed: 10.61 ft at 10:00AM May 23, 2013Observed: 10.61 ft at 10:15AM May 23, 2013Observed: 10.59 ft at 10:30AM May 23, 2013Observed: 10.62 ft at 10:45AM May 23, 2013Observed: 10.55 ft at 11:00AM May 23, 2013Observed: 10.61 ft at 11:15AM May 23, 2013Observed: 10.6 ft at 11:30AM May 23, 2013Observed: 10.61 ft at 12:00PM May 23, 2013Observed: 10.61 ft at 12:15PM May 23, 2013Observed: 10.6 ft at 12:30PM May 23, 2013Observed: 10.62 ft at 12:45PM May 23, 2013Observed: 10.59 ft at 1:00PM May 23, 2013Observed: 10.59 ft at 1:15PM May 23, 2013Observed: 10.62 ft at 1:30PM May 23, 2013Observed: 10.6 ft at 1:45PM May 23, 2013Observed: 10.61 ft at 2:00PM May 23, 2013Observed: 10.6 ft at 2:15PM May 23, 2013Observed: 10.58 ft at 2:30PM May 23, 2013Observed: 10.61 ft at 2:45PM May 23, 2013Observed: 10.64 ft at 3:00PM May 23, 2013Observed: 10.72 ft at 3:15PM May 23, 2013Observed: 10.66 ft at 3:30PM May 23, 2013Observed: 10.68 ft at 3:45PM May 23, 2013Observed: 10.66 ft at 4:00PM May 23, 2013Observed: 10.69 ft at 4:15PM May 23, 2013Observed: 10.66 ft at 4:30PM May 23, 2013Observed: 10.68 ft at 4:45PM May 23, 2013Observed: 10.68 ft at 5:00PM May 23, 2013Observed: 10.72 ft at 5:15PM May 23, 2013Observed: 10.67 ft at 5:30PM May 23, 2013Observed: 10.67 ft at 5:45PM May 23, 2013Observed: 10.66 ft at 6:00PM May 23, 2013Observed: 10.65 ft at 6:15PM May 23, 2013Observed: 10.68 ft at 6:30PM May 23, 2013Observed: 10.65 ft at 6:45PM May 23, 2013Observed: 10.68 ft at 7:00PM May 23, 2013Observed: 10.69 ft at 7:15PM May 23, 2013Observed: 10.69 ft at 7:30PM May 23, 2013Observed: 10.7 ft at 7:45PM May 23, 2013Observed: 10.69 ft at 8:00PM May 23, 2013Observed: 10.71 ft at 8:30PM May 23, 2013Observed: 10.68 ft at 8:45PM May 23, 2013Observed: 10.69 ft at 9:00PM May 23, 2013Observed: 10.67 ft at 9:15PM May 23, 2013Observed: 10.66 ft at 9:30PM May 23, 2013Observed: 10.64 ft at 9:45PM May 23, 2013Observed: 10.65 ft at 10:00PM May 23, 2013Observed: 10.63 ft at 10:15PM May 23, 2013Observed: 10.62 ft at 10:30PM May 23, 2013Observed: 10.63 ft at 10:45PM May 23, 2013Observed: 10.62 ft at 11:00PM May 23, 2013Observed: 10.61 ft at 11:30PM May 23, 2013Observed: 10.61 ft at 11:45PM May 23, 2013Observed: 10.59 ft at 12:00AM May 24, 2013Observed: 10.59 ft at 12:15AM May 24, 2013Observed: 10.59 ft at 12:30AM May 24, 2013Observed: 10.59 ft at 12:45AM May 24, 2013Observed: 10.59 ft at 1:00AM May 24, 2013Observed: 10.61 ft at 1:15AM May 24, 2013Observed: 10.61 ft at 1:30AM May 24, 2013Observed: 10.59 ft at 1:45AM May 24, 2013Observed: 10.59 ft at 2:00AM May 24, 2013Observed: 10.61 ft at 2:15AM May 24, 2013Observed: 10.6 ft at 2:30AM May 24, 2013Observed: 10.59 ft at 2:45AM May 24, 2013Observed: 10.61 ft at 3:00AM May 24, 2013Observed: 10.61 ft at 3:15AM May 24, 2013Observed: 10.62 ft at 3:30AM May 24, 2013Observed: 10.62 ft at 3:45AM May 24, 2013Observed: 10.62 ft at 4:15AM May 24, 2013Observed: 10.62 ft at 4:30AM May 24, 2013Observed: 10.59 ft at 4:45AM May 24, 2013Observed: 10.62 ft at 5:00AM May 24, 2013Observed: 10.6 ft at 5:15AM May 24, 2013Observed: 10.64 ft at 5:30AM May 24, 2013Observed: 10.63 ft at 5:45AM May 24, 2013Observed: 10.63 ft at 6:00AM May 24, 2013Observed: 10.64 ft at 6:15AM May 24, 2013Observed: 10.63 ft at 6:30AM May 24, 2013Observed: 10.64 ft at 6:45AM May 24, 2013Observed: 10.66 ft at 7:15AM May 24, 2013Observed: 10.67 ft at 7:30AM May 24, 2013Observed: 10.68 ft at 7:45AM May 24, 2013Observed: 10.7 ft at 8:00AM May 24, 2013Observed: 10.74 ft at 8:15AM May 24, 2013Observed: 10.73 ft at 8:30AM May 24, 2013Observed: 10.75 ft at 8:45AM May 24, 2013Observed: 10.73 ft at 9:15AM May 24, 2013Observed: 10.77 ft at 9:30AM May 24, 2013Observed: 10.73 ft at 10:15AM May 24, 2013Observed: 10.75 ft at 10:30AM May 24, 2013Observed: 10.75 ft at 10:45AM May 24, 2013Observed: 10.77 ft at 11:00AM May 24, 2013Highest Observation: 10.78 ft at 11:15AM May 24, 2013Observed: 10.75 ft at 11:30AM May 24, 2013Highest Observation: 10.78 ft at 11:45AM May 24, 2013Observed: 10.76 ft at 12:00PM May 24, 2013Observed: 10.76 ft at 12:30PM May 24, 2013Observed: 10.77 ft at 12:45PM May 24, 2013Observed: 10.75 ft at 1:00PM May 24, 2013Observed: 10.74 ft at 1:30PM May 24, 2013Observed: 10.69 ft at 1:45PM May 24, 2013Observed: 10.71 ft at 2:15PM May 24, 2013Observed: 10.72 ft at 2:30PM May 24, 2013Highest Forecast: 10.9 ft 8:00PM May 24, 2013Highest Forecast: 10.9 ft 2:00AM May 25, 2013Highest Forecast: 10.9 ft 8:00AM May 25, 2013Highest Forecast: 10.9 ft 2:00PM May 25, 2013Forecast: 10.8 ft 8:00PM May 25, 2013Forecast: 10.8 ft 2:00AM May 26, 2013Forecast: 10.8 ft 8:00AM May 26, 2013Forecast: 10.7 ft 2:00PM May 26, 2013Forecast: 10.7 ft 8:00PM May 26, 2013Forecast: 10.7 ft 2:00AM May 27, 2013Forecast: 10.7 ft 8:00AM May 27, 2013Forecast: 10.7 ft 2:00PM May 27, 2013Forecast: 10.7 ft 8:00PM May 27, 2013Forecast: 10.6 ft 2:00AM May 28, 2013Forecast: 10.6 ft 8:00AM May 28, 2013Forecast: 10.6 ft 2:00PM May 28, 2013Forecast: 10.6 ft 8:00PM May 28, 2013Forecast: 10.6 ft 2:00AM May 29, 2013Forecast: 10.6 ft 8:00AM May 29, 2013SHRP1(plotting HPIRG) Graph Created (3:43PM May 24, 2013)ObservedForecast (issued 1:01PM May 24)Latest observed value: 10.72 ft at 2:30 PM EDT 24-May-2013. Flood Stage is 21 ft
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Metadata
NOTE: The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt.

NOTE: Forecasts for the Allegheny River at Sharpsburg Lock and Dam are issued routinely year-round.

Return to Area Map
Upstream Gauge - at C.W. Bill Young Lock and Dam Upstream Gauge
Flood Categories (in feet)
Major Flood Stage:23
Moderate Flood Stage:22
Flood Stage:21
Action Stage:16.3

Historical Crests
(1) 26.90 ft on 06/24/1972
(2) 22.90 ft on 01/20/1996
(3) 22.10 ft on 09/18/2004
(4) 18.50 ft on 03/16/2007
(5) 16.20 ft on 03/24/2007


Low Water Records
(1) 0.00 ft on 01/01/1980
Legend
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 Collapse
23.1 13TH STREET FLOODS IN SHARPSBURG.
21.7 TRUMBULL CONSTRUCTION CO ON 51ST STREET FLOODS.
21.3 FLOODING BEGINS NEAR THE M&M GAS STATION ON NORTH MAIN STREET IN SHARPSBURG.
21 Lock wall overtopped.
19 Navigation suspended, lock out of service.
About This Location Collapse

Latitude: 40.487500° N, Longitude: 79.915278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 21 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 711.960021972656 ft 732.960021972656 ft  

Other Data Sources:
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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
Pittsburgh Weather Forecast Office
192 Shafer Road
Moon Township, PA 15108
(412) 262-1591
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