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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Conemaugh River at Seward Observed crest: 2.86 ft at 1:00am Nov 21 Observed: 2.87 ft at 12:45am Nov 21 Observed: 2.86 ft at 1:00am Nov 21 Observed: 2.86 ft at 1:15am Nov 21 Observed: 2.85 ft at 1:30am Nov 21 Observed: 2.85 ft at 1:45am Nov 21 Observed: 2.84 ft at 2:00am Nov 21 Observed: 2.84 ft at 2:15am Nov 21 Observed: 2.84 ft at 2:30am Nov 21 Observed: 2.83 ft at 2:45am Nov 21 Observed: 2.83 ft at 3:00am Nov 21 Observed: 2.82 ft at 3:15am Nov 21 Observed: 2.82 ft at 3:30am Nov 21 Observed: 2.82 ft at 3:45am Nov 21 Observed: 2.81 ft at 4:00am Nov 21 Observed: 2.81 ft at 4:15am Nov 21 Observed: 2.8 ft at 4:30am Nov 21 Observed: 2.8 ft at 4:45am Nov 21 Observed: 2.8 ft at 5:00am Nov 21 Observed: 2.79 ft at 5:15am Nov 21 Observed: 2.79 ft at 5:30am Nov 21 Observed: 2.79 ft at 5:45am Nov 21 Observed: 2.78 ft at 6:00am Nov 21 Observed: 2.78 ft at 6:15am Nov 21 Observed: 2.78 ft at 6:30am Nov 21 Observed: 2.77 ft at 6:45am Nov 21 Observed: 2.77 ft at 7:00am Nov 21 Observed: 2.77 ft at 7:15am Nov 21 Observed: 2.76 ft at 7:30am Nov 21 Observed: 2.76 ft at 7:45am Nov 21 Observed: 2.76 ft at 8:00am Nov 21 Observed: 2.75 ft at 8:15am Nov 21 Observed: 2.75 ft at 8:30am Nov 21 Observed: 2.75 ft at 8:45am Nov 21 Observed: 2.75 ft at 9:00am Nov 21 Observed: 2.74 ft at 9:15am Nov 21 Observed: 2.74 ft at 9:30am Nov 21 Observed: 2.74 ft at 9:45am Nov 21 Observed: 2.74 ft at 10:00am Nov 21 Observed: 2.73 ft at 10:15am Nov 21 Observed: 2.73 ft at 10:30am Nov 21 Observed: 2.73 ft at 10:45am Nov 21 Observed: 2.72 ft at 11:00am Nov 21 Observed: 2.72 ft at 11:15am Nov 21 Observed: 2.72 ft at 11:30am Nov 21 Observed: 2.72 ft at 11:45am Nov 21 Observed: 2.71 ft at 12:00pm Nov 21 Observed: 2.71 ft at 12:15pm Nov 21 Observed: 2.71 ft at 12:30pm Nov 21 Observed: 2.7 ft at 12:45pm Nov 21 Observed: 2.7 ft at 1:00pm Nov 21 Observed: 2.7 ft at 1:15pm Nov 21 Observed: 2.7 ft at 1:30pm Nov 21 Observed: 2.7 ft at 1:45pm Nov 21 Observed: 2.69 ft at 2:00pm Nov 21 Observed: 2.69 ft at 2:15pm Nov 21 Observed: 2.69 ft at 2:30pm Nov 21 Observed: 2.69 ft at 2:45pm Nov 21 Observed: 2.68 ft at 3:00pm Nov 21 Observed: 2.68 ft at 3:15pm Nov 21 Observed: 2.68 ft at 3:30pm Nov 21 Observed: 2.68 ft at 3:45pm Nov 21 Observed: 2.68 ft at 4:00pm Nov 21 Observed: 2.68 ft at 4:15pm Nov 21 Observed: 2.67 ft at 4:30pm Nov 21 Observed: 2.67 ft at 4:45pm Nov 21 Observed: 2.67 ft at 5:00pm Nov 21 Observed: 2.67 ft at 5:15pm Nov 21 Observed: 2.66 ft at 5:30pm Nov 21 Observed: 2.66 ft at 5:45pm Nov 21 Observed: 2.66 ft at 6:00pm Nov 21 Observed: 2.66 ft at 6:15pm Nov 21 Observed: 2.65 ft at 6:30pm Nov 21 Observed: 2.65 ft at 6:45pm Nov 21 Observed: 2.65 ft at 7:00pm Nov 21 Observed: 2.65 ft at 7:15pm Nov 21 Observed: 2.64 ft at 7:30pm Nov 21 Observed: 2.64 ft at 7:45pm Nov 21 Observed: 2.64 ft at 8:00pm Nov 21 Observed: 2.64 ft at 8:15pm Nov 21 Observed: 2.63 ft at 8:30pm Nov 21 Observed: 2.63 ft at 8:45pm Nov 21 Observed: 2.63 ft at 9:00pm Nov 21 Observed: 2.63 ft at 9:15pm Nov 21 Observed: 2.63 ft at 9:30pm Nov 21 Observed: 2.63 ft at 9:45pm Nov 21 Observed: 2.62 ft at 10:00pm Nov 21 Observed: 2.61 ft at 10:15pm Nov 21 Observed: 2.61 ft at 10:30pm Nov 21 Observed: 2.61 ft at 10:45pm Nov 21 Observed: 2.61 ft at 11:00pm Nov 21 Observed: 2.6 ft at 11:15pm Nov 21 Observed: 2.6 ft at 11:30pm Nov 21 Observed: 2.6 ft at 11:45pm Nov 21 Observed: 2.6 ft at 12:00am Nov 22 Observed: 2.6 ft at 12:15am Nov 22 Observed: 2.6 ft at 12:30am Nov 22 Observed: 2.59 ft at 12:45am Nov 22 Observed: 2.59 ft at 1:00am Nov 22 Observed: 2.59 ft at 1:15am Nov 22 Observed: 2.59 ft at 1:30am Nov 22 Observed: 2.59 ft at 1:45am Nov 22 Observed: 2.58 ft at 2:00am Nov 22 Observed: 2.58 ft at 2:15am Nov 22 Observed: 2.58 ft at 2:30am Nov 22 Observed: 2.58 ft at 2:45am Nov 22 Observed: 2.58 ft at 3:00am Nov 22 Observed: 2.58 ft at 3:15am Nov 22 Observed: 2.57 ft at 3:30am Nov 22 Observed: 2.57 ft at 3:45am Nov 22 Observed: 2.57 ft at 4:00am Nov 22 Observed: 2.57 ft at 4:15am Nov 22 Observed: 2.57 ft at 4:30am Nov 22 Observed: 2.57 ft at 4:45am Nov 22 Observed: 2.57 ft at 5:00am Nov 22 Observed: 2.56 ft at 5:15am Nov 22 Observed: 2.56 ft at 5:30am Nov 22 Observed: 2.56 ft at 5:45am Nov 22 Observed: 2.56 ft at 6:00am Nov 22 Observed: 2.56 ft at 6:15am Nov 22 Observed: 2.56 ft at 6:30am Nov 22 Observed: 2.56 ft at 6:45am Nov 22 Observed: 2.56 ft at 7:00am Nov 22 Observed: 2.56 ft at 7:15am Nov 22 Observed: 2.55 ft at 7:30am Nov 22 Observed: 2.55 ft at 7:45am Nov 22 Observed: 2.55 ft at 8:00am Nov 22 Observed: 2.55 ft at 8:15am Nov 22 Observed: 2.55 ft at 8:30am Nov 22 Observed: 2.55 ft at 8:45am Nov 22 Observed: 2.55 ft at 9:00am Nov 22 Observed: 2.55 ft at 9:15am Nov 22 Observed: 2.55 ft at 9:30am Nov 22 Observed: 2.54 ft at 9:45am Nov 22 Observed: 2.54 ft at 10:00am Nov 22 Observed: 2.54 ft at 10:15am Nov 22 Observed: 2.54 ft at 10:30am Nov 22 Observed: 2.54 ft at 10:45am Nov 22 Observed: 2.54 ft at 11:00am Nov 22 Observed: 2.54 ft at 11:15am Nov 22 Observed: 2.54 ft at 11:30am Nov 22 Observed: 2.54 ft at 11:45am Nov 22 Observed: 2.53 ft at 12:00pm Nov 22 Observed: 2.53 ft at 12:15pm Nov 22 Observed: 2.53 ft at 12:30pm Nov 22 Observed: 2.53 ft at 12:45pm Nov 22 Observed: 2.53 ft at 1:00pm Nov 22 Observed: 2.53 ft at 1:15pm Nov 22 Observed: 2.53 ft at 1:30pm Nov 22 Observed: 2.53 ft at 1:45pm Nov 22 Observed: 2.52 ft at 2:00pm Nov 22 Observed: 2.52 ft at 2:15pm Nov 22 Observed: 2.52 ft at 2:30pm Nov 22 Observed: 2.52 ft at 2:45pm Nov 22 Observed: 2.52 ft at 3:00pm Nov 22 Observed: 2.52 ft at 3:15pm Nov 22 Observed: 2.51 ft at 3:30pm Nov 22 Observed: 2.51 ft at 3:45pm Nov 22 Observed: 2.51 ft at 4:00pm Nov 22 Observed: 2.51 ft at 4:15pm Nov 22 Observed: 2.51 ft at 4:30pm Nov 22 Observed: 2.51 ft at 4:45pm Nov 22 Observed: 2.51 ft at 5:00pm Nov 22 Observed: 2.51 ft at 5:15pm Nov 22 Observed: 2.51 ft at 5:30pm Nov 22 Observed: 2.51 ft at 5:45pm Nov 22 Observed: 2.5 ft at 6:00pm Nov 22 Observed: 2.5 ft at 6:15pm Nov 22 Observed: 2.5 ft at 6:30pm Nov 22 Observed: 2.5 ft at 6:45pm Nov 22 Observed: 2.5 ft at 7:00pm Nov 22 Observed: 2.5 ft at 7:15pm Nov 22 Observed: 2.5 ft at 7:30pm Nov 22 Observed: 2.5 ft at 7:45pm Nov 22 Observed: 2.49 ft at 8:00pm Nov 22 Observed: 2.49 ft at 8:15pm Nov 22 Observed: 2.49 ft at 8:30pm Nov 22 Observed: 2.49 ft at 8:45pm Nov 22 Observed: 2.49 ft at 9:00pm Nov 22 Observed: 2.49 ft at 9:15pm Nov 22 Observed: 2.49 ft at 9:30pm Nov 22 Observed: 2.48 ft at 9:45pm Nov 22 Observed: 2.48 ft at 10:00pm Nov 22 Observed: 2.48 ft at 10:15pm Nov 22 Observed: 2.48 ft at 10:30pm Nov 22 Observed: 2.48 ft at 10:45pm Nov 22 Observed: 2.48 ft at 11:00pm Nov 22 Observed: 2.48 ft at 11:15pm Nov 22 Observed: 2.48 ft at 11:30pm Nov 22 Observed: 2.48 ft at 11:45pm Nov 22 Observed: 2.48 ft at 12:00am Nov 23 Observed: 2.48 ft at 12:15am Nov 23 Observed: 2.48 ft at 12:30am Nov 23 Observed: 2.48 ft at 12:45am Nov 23 Observed: 2.47 ft at 1:00am Nov 23 Observed: 2.47 ft at 1:15am Nov 23 Observed: 2.47 ft at 1:30am Nov 23 Observed: 2.47 ft at 1:45am Nov 23 Observed: 2.47 ft at 2:00am Nov 23 Observed: 2.47 ft at 2:15am Nov 23 Observed: 2.47 ft at 2:30am Nov 23 Observed: 2.47 ft at 2:45am Nov 23 Observed: 2.47 ft at 3:00am Nov 23 Observed: 2.47 ft at 3:15am Nov 23 Observed: 2.47 ft at 3:30am Nov 23 Observed: 2.47 ft at 3:45am Nov 23 Observed: 2.46 ft at 4:00am Nov 23 Observed: 2.46 ft at 4:15am Nov 23 Observed: 2.46 ft at 4:30am Nov 23 Observed: 2.46 ft at 4:45am Nov 23 Observed: 2.46 ft at 5:00am Nov 23 Observed: 2.46 ft at 5:15am Nov 23 Observed: 2.46 ft at 5:30am Nov 23 Observed: 2.45 ft at 5:45am Nov 23 Observed: 2.45 ft at 6:00am Nov 23 Observed: 2.45 ft at 6:15am Nov 23 Observed: 2.45 ft at 6:30am Nov 23 Observed: 2.45 ft at 6:45am Nov 23 Observed: 2.45 ft at 7:00am Nov 23 Observed: 2.45 ft at 7:15am Nov 23 Observed: 2.45 ft at 7:30am Nov 23 Observed: 2.45 ft at 7:45am Nov 23 Observed: 2.45 ft at 8:00am Nov 23 Observed: 2.45 ft at 8:15am Nov 23 Observed: 2.45 ft at 8:30am Nov 23 Observed: 2.45 ft at 8:45am Nov 23 Observed: 2.45 ft at 9:00am Nov 23 Observed: 2.45 ft at 9:15am Nov 23 Observed: 2.45 ft at 9:30am Nov 23 Observed: 2.45 ft at 9:45am Nov 23 Observed: 2.45 ft at 10:00am Nov 23 Observed: 2.45 ft at 10:15am Nov 23 Observed: 2.45 ft at 10:30am Nov 23 Observed: 2.44 ft at 10:45am Nov 23 Observed: 2.44 ft at 11:00am Nov 23 Observed: 2.44 ft at 11:15am Nov 23 Observed: 2.44 ft at 11:30am Nov 23 Observed: 2.44 ft at 11:45am Nov 23 Observed: 2.44 ft at 12:00pm Nov 23 Observed: 2.44 ft at 12:15pm Nov 23 Observed: 2.44 ft at 12:30pm Nov 23 Observed: 2.44 ft at 12:45pm Nov 23 Observed: 2.44 ft at 1:00pm Nov 23 Observed: 2.44 ft at 1:15pm Nov 23 Observed: 2.44 ft at 1:30pm Nov 23 Observed: 2.44 ft at 1:45pm Nov 23 Observed: 2.44 ft at 2:00pm Nov 23 Observed: 2.44 ft at 2:15pm Nov 23 Observed: 2.44 ft at 2:30pm Nov 23 Observed: 2.44 ft at 2:45pm Nov 23 Observed: 2.44 ft at 3:00pm Nov 23 Observed: 2.44 ft at 3:15pm Nov 23 Observed: 2.44 ft at 3:30pm Nov 23 Observed: 2.44 ft at 3:45pm Nov 23 Observed: 2.43 ft at 4:00pm Nov 23 Observed: 2.43 ft at 4:15pm Nov 23 Observed: 2.43 ft at 4:30pm Nov 23 Observed: 2.43 ft at 4:45pm Nov 23 Observed: 2.43 ft at 5:00pm Nov 23 Observed: 2.43 ft at 5:15pm Nov 23 Observed: 2.43 ft at 5:30pm Nov 23 Observed: 2.43 ft at 5:45pm Nov 23 Observed: 2.43 ft at 6:00pm Nov 23 Observed: 2.43 ft at 6:15pm Nov 23 Observed: 2.42 ft at 6:30pm Nov 23 Observed: 2.42 ft at 6:45pm Nov 23 Observed: 2.42 ft at 7:00pm Nov 23 Observed: 2.42 ft at 7:15pm Nov 23 Observed: 2.42 ft at 7:30pm Nov 23 Observed: 2.42 ft at 7:45pm Nov 23 Observed: 2.42 ft at 8:00pm Nov 23 Observed: 2.42 ft at 8:15pm Nov 23 Observed: 2.42 ft at 8:30pm Nov 23 Observed: 2.42 ft at 8:45pm Nov 23 Observed: 2.42 ft at 9:00pm Nov 23 Observed: 2.42 ft at 9:15pm Nov 23 Observed: 2.42 ft at 9:30pm Nov 23 Observed: 2.42 ft at 9:45pm Nov 23 Observed: 2.42 ft at 10:00pm Nov 23 Observed: 2.42 ft at 10:15pm Nov 23 Observed: 2.42 ft at 10:30pm Nov 23 Observed: 2.42 ft at 10:45pm Nov 23 Observed: 2.42 ft at 11:00pm Nov 23 Observed: 2.42 ft at 11:15pm Nov 23 Observed: 2.42 ft at 11:30pm Nov 23 Observed: 2.42 ft at 11:45pm Nov 23 Forecast: 2.4 ft at 1:00am Nov 24 Forecast: 2.4 ft at 7:00am Nov 24 Forecast: 2.4 ft at 1:00pm Nov 24 Forecast: 2.4 ft at 7:00pm Nov 24 Forecast: 2.4 ft at 1:00am Nov 25 Forecast: 2.4 ft at 7:00am Nov 25 Forecast: 2.4 ft at 1:00pm Nov 25 Forecast: 2.4 ft at 7:00pm Nov 25 Forecast: 2.4 ft at 1:00am Nov 26 Forecast: 2.3 ft at 7:00am Nov 26 Forecast: 2.3 ft at 1:00pm Nov 26 Forecast: 2.3 ft at 7:00pm Nov 26 Forecast: 2.3 ft at 1:00am Nov 27 Forecast: 2.3 ft at 7:00am Nov 27 Forecast: 2.3 ft at 1:00pm Nov 27 Forecast: 2.3 ft at 7:00pm Nov 27 Forecast: 2.3 ft at 1:00am Nov 28 Forecast: 2.3 ft at 7:00am Nov 28 Forecast: 2.3 ft at 1:00pm Nov 28 Forecast: 2.3 ft at 7:00pm Nov 28 Graph Created (1:03am Nov 24, 2009) Observed Forecast (issued 7:35pm Nov 23) USGS--Water Resources of the United States SWDP1 (plotting HGIRG) Gage 0 Datum: 1076.01 Latest observed value: 2.42 ft at 11:45 PM EST 23-Nov-2009. Flood Stage is 12.0 ft. Stage (ft) Flow (kcfs)
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About this graph
Tabular Data
XML Data
RSS Files
Datum: N/A
Metadata
NOTE: The above river forecast includes future rainfall. Forecast stages may be different if the rainfall does not occur.

NOTE: Forecasts for the Conemaugh River at Seward are issued routinely year-round.

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Upstream Gauge - at Johnstown Upstream Gauge Downstream Gauge Downstream Gauge - at Conemaugh Lake Pool

Flood Categories (in feet)
Major Flood Stage:16
Moderate Flood Stage:14
Flood Stage:12
Action Stage:8.8

Historical Crests
(1) 26.40 ft on 03/18/1936
(2) 20.68 ft on 01/19/1996
(3) 15.10 ft on 11/08/1997
(4) 14.63 ft on 05/25/1997
(5) 12.76 ft on 12/20/2008
(6) 12.10 ft on 09/18/2004
(7) 11.73 ft on 01/06/2005
(8) 10.39 ft on 03/05/2008

Low Water Records
(1) 0 ft on 12/28/1938

 Conemaugh River at Seward location map

Flood Impacts & Photos Collapse
26.0 FLOOD WATERS REACH 4TH AVE IN NORTHWEST PORTION OF SEWARD
25.0 WATER BEGINS TO ENTER THE SEWARD POWER PLANT PROPERTY
20.7 WATER REACHES FLOOR LEVEL IN TRAILERS JUST DOWNSTREAM FROM ROUTE 56 BRIDGE OVER CONEMAUGH RIVER.
Photos
(1) Seward gage house located on left descending bank, just above bridge
(2) looking downstream on Conemaugh River from bridge at Seward gage
(3) looking upstream on Conemaugh River from bridge at Seward gage

About This Location Collapse
Latitude: 40.419166° N, Longitude: 79.026388° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1076.01 ft 1088.01 ft Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other N/A N/A  

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Seward

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