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Hydrograph River at a Glance Download
Allegheny River at Sharpsburg Lock and Dam Pool (ft)Flow (kcfs)Observed: 11.06 ft at 5:45PM Jul 21, 2014Observed: 11.05 ft at 6:00PM Jul 21, 2014Observed: 11.06 ft at 6:15PM Jul 21, 2014Observed: 11.06 ft at 6:30PM Jul 21, 2014Observed: 11.05 ft at 6:45PM Jul 21, 2014Observed: 11.08 ft at 7:00PM Jul 21, 2014Observed: 11.07 ft at 7:15PM Jul 21, 2014Observed: 11.05 ft at 7:30PM Jul 21, 2014Observed: 11.05 ft at 7:45PM Jul 21, 2014Observed: 11.07 ft at 8:00PM Jul 21, 2014Observed: 11.09 ft at 8:15PM Jul 21, 2014Observed: 11.09 ft at 8:30PM Jul 21, 2014Observed: 11.13 ft at 8:45PM Jul 21, 2014Observed: 11.1 ft at 9:00PM Jul 21, 2014Observed: 11.14 ft at 9:15PM Jul 21, 2014Observed: 11.15 ft at 9:30PM Jul 21, 2014Observed: 11.18 ft at 10:00PM Jul 21, 2014Observed: 11.2 ft at 10:30PM Jul 21, 2014Observed: 11.22 ft at 10:45PM Jul 21, 2014Observed: 11.24 ft at 11:00PM Jul 21, 2014Observed: 11.25 ft at 11:15PM Jul 21, 2014Observed: 11.27 ft at 11:30PM Jul 21, 2014Observed: 11.29 ft at 12:00AM Jul 22, 2014Observed: 11.32 ft at 12:15AM Jul 22, 2014Observed: 11.3 ft at 12:30AM Jul 22, 2014Highest Observation: 11.34 ft at 12:45AM Jul 22, 2014Observed: 11.32 ft at 1:00AM Jul 22, 2014Observed: 11.32 ft at 1:45AM Jul 22, 2014Observed: 11.32 ft at 2:00AM Jul 22, 2014Observed: 11.33 ft at 2:15AM Jul 22, 2014Observed: 11.32 ft at 2:45AM Jul 22, 2014Observed: 11.31 ft at 3:30AM Jul 22, 2014Observed: 11.31 ft at 3:45AM Jul 22, 2014Observed: 11.31 ft at 4:00AM Jul 22, 2014Observed: 11.29 ft at 4:15AM Jul 22, 2014Observed: 11.29 ft at 4:30AM Jul 22, 2014Observed: 11.29 ft at 4:45AM Jul 22, 2014Observed: 11.29 ft at 5:00AM Jul 22, 2014Observed: 11.28 ft at 5:30AM Jul 22, 2014Observed: 11.27 ft at 5:45AM Jul 22, 2014Observed: 11.28 ft at 6:00AM Jul 22, 2014Observed: 11.27 ft at 6:15AM Jul 22, 2014Observed: 11.27 ft at 6:30AM Jul 22, 2014Observed: 11.27 ft at 6:45AM Jul 22, 2014Observed: 11.27 ft at 7:00AM Jul 22, 2014Observed: 11.27 ft at 7:15AM Jul 22, 2014Observed: 11.27 ft at 7:30AM Jul 22, 2014Observed: 11.28 ft at 8:00AM Jul 22, 2014Observed: 11.28 ft at 8:15AM Jul 22, 2014Observed: 11.28 ft at 8:30AM Jul 22, 2014Observed: 11.28 ft at 8:45AM Jul 22, 2014Observed: 11.28 ft at 9:00AM Jul 22, 2014Observed: 11.28 ft at 9:15AM Jul 22, 2014Observed: 11.29 ft at 9:30AM Jul 22, 2014Observed: 11.29 ft at 9:45AM Jul 22, 2014Observed: 11.29 ft at 10:00AM Jul 22, 2014Observed: 11.29 ft at 10:15AM Jul 22, 2014Observed: 11.29 ft at 10:30AM Jul 22, 2014Observed: 11.27 ft at 10:45AM Jul 22, 2014Observed: 11.29 ft at 11:00AM Jul 22, 2014Observed: 11.28 ft at 11:15AM Jul 22, 2014Observed: 11.29 ft at 11:30AM Jul 22, 2014Observed: 11.27 ft at 11:45AM Jul 22, 2014Observed: 11.27 ft at 12:00PM Jul 22, 2014Observed: 11.26 ft at 12:15PM Jul 22, 2014Observed: 11.25 ft at 12:30PM Jul 22, 2014Observed: 11.23 ft at 12:45PM Jul 22, 2014Observed: 11.2 ft at 1:15PM Jul 22, 2014Observed: 11.14 ft at 1:30PM Jul 22, 2014Observed: 11.17 ft at 1:45PM Jul 22, 2014Observed: 11.12 ft at 2:00PM Jul 22, 2014Observed: 11.08 ft at 2:15PM Jul 22, 2014Observed: 11.03 ft at 2:45PM Jul 22, 2014Observed: 11.05 ft at 3:00PM Jul 22, 2014Observed: 10.99 ft at 3:15PM Jul 22, 2014Observed: 10.98 ft at 3:30PM Jul 22, 2014Observed: 10.98 ft at 3:45PM Jul 22, 2014Observed: 10.98 ft at 4:00PM Jul 22, 2014Observed: 10.96 ft at 4:15PM Jul 22, 2014Observed: 10.96 ft at 4:30PM Jul 22, 2014Observed: 10.97 ft at 4:45PM Jul 22, 2014Observed: 10.98 ft at 5:15PM Jul 22, 2014Observed: 10.97 ft at 5:30PM Jul 22, 2014Observed: 10.97 ft at 5:45PM Jul 22, 2014Observed: 10.97 ft at 6:00PM Jul 22, 2014Observed: 10.98 ft at 6:15PM Jul 22, 2014Observed: 10.97 ft at 6:30PM Jul 22, 2014Observed: 10.99 ft at 6:45PM Jul 22, 2014Observed: 10.98 ft at 7:00PM Jul 22, 2014Observed: 10.97 ft at 7:15PM Jul 22, 2014Observed: 11 ft at 7:30PM Jul 22, 2014Observed: 11 ft at 7:45PM Jul 22, 2014Observed: 11.02 ft at 8:00PM Jul 22, 2014Observed: 11.02 ft at 8:15PM Jul 22, 2014Observed: 11.05 ft at 8:30PM Jul 22, 2014Observed: 11.06 ft at 8:45PM Jul 22, 2014Observed: 11.08 ft at 9:00PM Jul 22, 2014Observed: 11.09 ft at 9:15PM Jul 22, 2014Observed: 11.11 ft at 9:30PM Jul 22, 2014Observed: 11.14 ft at 9:45PM Jul 22, 2014Observed: 11.16 ft at 10:00PM Jul 22, 2014Observed: 11.17 ft at 10:30PM Jul 22, 2014Observed: 11.2 ft at 10:45PM Jul 22, 2014Observed: 11.17 ft at 11:00PM Jul 22, 2014Observed: 11.21 ft at 11:30PM Jul 22, 2014Observed: 11.23 ft at 11:45PM Jul 22, 2014Observed: 11.21 ft at 12:00AM Jul 23, 2014Observed: 11.21 ft at 12:15AM Jul 23, 2014Observed: 11.21 ft at 12:30AM Jul 23, 2014Observed: 11.22 ft at 1:00AM Jul 23, 2014Observed: 11.21 ft at 1:30AM Jul 23, 2014Observed: 11.21 ft at 1:45AM Jul 23, 2014Observed: 11.2 ft at 2:00AM Jul 23, 2014Observed: 11.2 ft at 2:15AM Jul 23, 2014Observed: 11.2 ft at 2:30AM Jul 23, 2014Observed: 11.18 ft at 2:45AM Jul 23, 2014Observed: 11.17 ft at 3:00AM Jul 23, 2014Observed: 11.18 ft at 3:15AM Jul 23, 2014Observed: 11.18 ft at 3:30AM Jul 23, 2014Observed: 11.17 ft at 3:45AM Jul 23, 2014Observed: 11.16 ft at 4:00AM Jul 23, 2014Observed: 11.16 ft at 4:15AM Jul 23, 2014Observed: 11.15 ft at 4:30AM Jul 23, 2014Observed: 11.15 ft at 4:45AM Jul 23, 2014Observed: 11.14 ft at 5:15AM Jul 23, 2014Observed: 11.14 ft at 5:45AM Jul 23, 2014Observed: 11.14 ft at 6:00AM Jul 23, 2014Observed: 11.14 ft at 6:15AM Jul 23, 2014Observed: 11.14 ft at 6:30AM Jul 23, 2014Observed: 11.13 ft at 6:45AM Jul 23, 2014Observed: 11.12 ft at 7:00AM Jul 23, 2014Observed: 11.12 ft at 7:15AM Jul 23, 2014Observed: 11.11 ft at 7:30AM Jul 23, 2014Observed: 11.1 ft at 7:45AM Jul 23, 2014Observed: 11.11 ft at 8:00AM Jul 23, 2014Observed: 11.1 ft at 8:15AM Jul 23, 2014Observed: 11.11 ft at 8:30AM Jul 23, 2014Observed: 11.1 ft at 9:00AM Jul 23, 2014Observed: 11.11 ft at 9:15AM Jul 23, 2014Observed: 11.11 ft at 9:30AM Jul 23, 2014Observed: 11.11 ft at 9:45AM Jul 23, 2014Observed: 11.11 ft at 10:00AM Jul 23, 2014Observed: 11.11 ft at 10:15AM Jul 23, 2014Observed: 11.11 ft at 10:30AM Jul 23, 2014Observed: 11.11 ft at 10:45AM Jul 23, 2014Observed: 11.13 ft at 11:15AM Jul 23, 2014Observed: 11.13 ft at 11:30AM Jul 23, 2014Observed: 11.11 ft at 11:45AM Jul 23, 2014Observed: 11.09 ft at 12:00PM Jul 23, 2014Observed: 11.1 ft at 12:15PM Jul 23, 2014Observed: 11.05 ft at 12:30PM Jul 23, 2014Observed: 11 ft at 1:00PM Jul 23, 2014Observed: 10.98 ft at 1:15PM Jul 23, 2014Observed: 10.96 ft at 1:30PM Jul 23, 2014Observed: 10.93 ft at 1:45PM Jul 23, 2014Observed: 10.9 ft at 2:00PM Jul 23, 2014Observed: 10.88 ft at 2:15PM Jul 23, 2014Observed: 10.86 ft at 2:30PM Jul 23, 2014Observed: 10.84 ft at 2:45PM Jul 23, 2014Observed: 10.83 ft at 3:00PM Jul 23, 2014Observed: 10.81 ft at 3:15PM Jul 23, 2014Observed: 10.82 ft at 3:30PM Jul 23, 2014Observed: 10.78 ft at 3:45PM Jul 23, 2014Observed: 10.77 ft at 4:00PM Jul 23, 2014Observed: 10.76 ft at 4:15PM Jul 23, 2014Observed: 10.76 ft at 4:30PM Jul 23, 2014Observed: 10.75 ft at 4:45PM Jul 23, 2014Observed: 10.75 ft at 5:15PM Jul 23, 2014Observed: 10.75 ft at 5:30PM Jul 23, 2014Observed: 10.77 ft at 6:00PM Jul 23, 2014Observed: 10.8 ft at 6:15PM Jul 23, 2014Observed: 10.8 ft at 6:30PM Jul 23, 2014Observed: 10.82 ft at 6:45PM Jul 23, 2014Observed: 10.82 ft at 7:00PM Jul 23, 2014Observed: 10.81 ft at 7:15PM Jul 23, 2014Observed: 10.87 ft at 7:30PM Jul 23, 2014Observed: 10.84 ft at 7:45PM Jul 23, 2014Observed: 10.86 ft at 8:15PM Jul 23, 2014Observed: 10.91 ft at 8:30PM Jul 23, 2014Observed: 10.9 ft at 8:45PM Jul 23, 2014Observed: 10.95 ft at 9:00PM Jul 23, 2014Observed: 10.94 ft at 9:15PM Jul 23, 2014Observed: 10.98 ft at 9:45PM Jul 23, 2014Observed: 11 ft at 10:00PM Jul 23, 2014Observed: 11.02 ft at 10:15PM Jul 23, 2014Observed: 11.01 ft at 10:30PM Jul 23, 2014Observed: 11.04 ft at 10:45PM Jul 23, 2014Observed: 11.05 ft at 11:00PM Jul 23, 2014Observed: 11.06 ft at 11:15PM Jul 23, 2014Observed: 11.06 ft at 11:45PM Jul 23, 2014Observed: 11.08 ft at 12:00AM Jul 24, 2014Observed: 11.07 ft at 12:15AM Jul 24, 2014Observed: 11.09 ft at 12:30AM Jul 24, 2014Observed: 11.1 ft at 1:00AM Jul 24, 2014Observed: 11.09 ft at 1:15AM Jul 24, 2014Observed: 11.1 ft at 1:30AM Jul 24, 2014Observed: 11.09 ft at 1:45AM Jul 24, 2014Observed: 11.08 ft at 2:00AM Jul 24, 2014Observed: 11.09 ft at 2:15AM Jul 24, 2014Observed: 11.08 ft at 2:30AM Jul 24, 2014Observed: 11.07 ft at 2:45AM Jul 24, 2014Observed: 11.07 ft at 3:00AM Jul 24, 2014Observed: 11.07 ft at 3:15AM Jul 24, 2014Observed: 11.05 ft at 3:30AM Jul 24, 2014Observed: 11.06 ft at 3:45AM Jul 24, 2014Observed: 11.04 ft at 4:00AM Jul 24, 2014Observed: 11.02 ft at 4:30AM Jul 24, 2014Observed: 11.02 ft at 4:45AM Jul 24, 2014Observed: 11.01 ft at 5:00AM Jul 24, 2014Observed: 11 ft at 5:15AM Jul 24, 2014Observed: 10.99 ft at 5:30AM Jul 24, 2014Observed: 10.98 ft at 5:45AM Jul 24, 2014Observed: 10.98 ft at 6:00AM Jul 24, 2014Observed: 10.97 ft at 6:15AM Jul 24, 2014Observed: 10.96 ft at 6:30AM Jul 24, 2014Observed: 10.98 ft at 6:45AM Jul 24, 2014Observed: 10.96 ft at 7:15AM Jul 24, 2014Observed: 10.96 ft at 7:30AM Jul 24, 2014Observed: 10.95 ft at 7:45AM Jul 24, 2014Observed: 10.95 ft at 8:00AM Jul 24, 2014Observed: 10.94 ft at 8:30AM Jul 24, 2014Observed: 10.94 ft at 8:45AM Jul 24, 2014Observed: 10.94 ft at 9:00AM Jul 24, 2014Observed: 10.95 ft at 9:30AM Jul 24, 2014Observed: 10.94 ft at 9:45AM Jul 24, 2014Observed: 10.94 ft at 10:00AM Jul 24, 2014Observed: 10.93 ft at 10:15AM Jul 24, 2014Observed: 10.94 ft at 10:30AM Jul 24, 2014Observed: 10.94 ft at 10:45AM Jul 24, 2014Observed: 10.93 ft at 11:00AM Jul 24, 2014Observed: 10.93 ft at 11:15AM Jul 24, 2014Observed: 10.93 ft at 11:30AM Jul 24, 2014Observed: 10.92 ft at 11:45AM Jul 24, 2014Observed: 10.92 ft at 12:00PM Jul 24, 2014Observed: 10.88 ft at 12:15PM Jul 24, 2014Observed: 10.9 ft at 12:30PM Jul 24, 2014Observed: 10.87 ft at 12:45PM Jul 24, 2014Observed: 10.85 ft at 1:00PM Jul 24, 2014Observed: 10.79 ft at 1:15PM Jul 24, 2014Observed: 10.82 ft at 1:30PM Jul 24, 2014Observed: 10.8 ft at 1:45PM Jul 24, 2014Observed: 10.78 ft at 2:00PM Jul 24, 2014Observed: 10.7 ft at 2:30PM Jul 24, 2014Observed: 10.72 ft at 2:45PM Jul 24, 2014Observed: 10.71 ft at 3:00PM Jul 24, 2014Observed: 10.71 ft at 3:15PM Jul 24, 2014Observed: 10.69 ft at 3:30PM Jul 24, 2014Observed: 10.65 ft at 4:15PM Jul 24, 2014Observed: 10.7 ft at 4:30PM Jul 24, 2014Forecast: 10.7 ft 8:00PM Jul 24, 2014Forecast: 10.6 ft 2:00AM Jul 25, 2014Forecast: 10.6 ft 8:00AM Jul 25, 2014Forecast: 10.7 ft 2:00PM Jul 25, 2014Forecast: 10.8 ft 8:00PM Jul 25, 2014Highest Forecast: 10.9 ft 2:00AM Jul 26, 2014Highest Forecast: 10.9 ft 8:00AM Jul 26, 2014Highest Forecast: 10.9 ft 2:00PM Jul 26, 2014Forecast: 10.8 ft 8:00PM Jul 26, 2014Forecast: 10.8 ft 2:00AM Jul 27, 2014Forecast: 10.8 ft 8:00AM Jul 27, 2014Forecast: 10.7 ft 2:00PM Jul 27, 2014Forecast: 10.7 ft 8:00PM Jul 27, 2014Forecast: 10.7 ft 2:00AM Jul 28, 2014Forecast: 10.7 ft 8:00AM Jul 28, 2014Forecast: 10.6 ft 2:00PM Jul 28, 2014Forecast: 10.6 ft 8:00PM Jul 28, 2014Forecast: 10.6 ft 2:00AM Jul 29, 2014Forecast: 10.6 ft 8:00AM Jul 29, 2014SHRP1(plotting HPIRG) Graph Created (5:33PM Jul 24, 2014)ObservedForecast (issued 1:01PM Jul 24)Latest observed value: 10.7 ft at 4:30 PM EDT 24-Jul-2014. Flood Stage is 21 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
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.

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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
(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 01/01/1980
Zoom Level:16
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
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  

Current/Historical Observations:

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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: 16-Jul-2014 2:08 AM
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