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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
Ohio River at New Cumberland Lock & Dam Observed crest: 13.66 ft at 1:35am Nov 22 Observed: 13.29 ft at 9:35pm Nov 20 Observed: 13.28 ft at 10:05pm Nov 20 Observed: 13.32 ft at 10:35pm Nov 20 Observed: 13.35 ft at 11:05pm Nov 20 Observed: 13.31 ft at 11:35pm Nov 20 Observed: 13.39 ft at 12:05am Nov 21 Observed: 13.34 ft at 12:35am Nov 21 Observed: 13.33 ft at 1:05am Nov 21 Observed: 13.27 ft at 1:35am Nov 21 Observed: 13.34 ft at 2:05am Nov 21 Observed: 13.34 ft at 2:35am Nov 21 Observed: 13.33 ft at 3:05am Nov 21 Observed: 13.33 ft at 3:35am Nov 21 Observed: 13.31 ft at 4:05am Nov 21 Observed: 13.32 ft at 4:35am Nov 21 Observed: 13.3 ft at 5:05am Nov 21 Observed: 13.29 ft at 5:35am Nov 21 Observed: 13.28 ft at 6:05am Nov 21 Observed: 13.49 ft at 6:35am Nov 21 Observed: 13.29 ft at 7:05am Nov 21 Observed: 13.27 ft at 7:35am Nov 21 Observed: 13.27 ft at 8:05am Nov 21 Observed: 13.24 ft at 8:35am Nov 21 Observed: 13.23 ft at 9:05am Nov 21 Observed: 13.2 ft at 9:35am Nov 21 Observed: 13.24 ft at 10:05am Nov 21 Observed: 13 ft at 10:35am Nov 21 Observed: 13.19 ft at 11:05am Nov 21 Observed: 13.21 ft at 11:35am Nov 21 Observed: 13.19 ft at 12:05pm Nov 21 Observed: 13.18 ft at 12:35pm Nov 21 Observed: 13.18 ft at 1:05pm Nov 21 Observed: 13.17 ft at 1:35pm Nov 21 Observed: 13.28 ft at 2:05pm Nov 21 Observed: 13.18 ft at 2:35pm Nov 21 Observed: 13.19 ft at 3:05pm Nov 21 Observed: 13.14 ft at 3:35pm Nov 21 Observed: 13.13 ft at 4:05pm Nov 21 Observed: 13.13 ft at 4:35pm Nov 21 Observed: 13.13 ft at 5:05pm Nov 21 Observed: 13.2 ft at 5:35pm Nov 21 Observed: 13.28 ft at 6:05pm Nov 21 Observed: 13.3 ft at 6:35pm Nov 21 Observed: 13.3 ft at 7:05pm Nov 21 Observed: 13.38 ft at 7:35pm Nov 21 Observed: 13.39 ft at 8:05pm Nov 21 Observed: 13.4 ft at 8:35pm Nov 21 Observed: 13.43 ft at 9:05pm Nov 21 Observed: 13.46 ft at 9:35pm Nov 21 Observed: 13.49 ft at 10:05pm Nov 21 Observed: 13.51 ft at 10:35pm Nov 21 Observed: 13.55 ft at 11:05pm Nov 21 Observed: 13.57 ft at 11:35pm Nov 21 Observed: 13.6 ft at 12:05am Nov 22 Observed: 13.57 ft at 12:35am Nov 22 Observed: 13.6 ft at 1:05am Nov 22 Observed: 13.66 ft at 1:35am Nov 22 Observed: 13.63 ft at 2:05am Nov 22 Observed: 13.61 ft at 2:35am Nov 22 Observed: 13.61 ft at 3:05am Nov 22 Observed: 13.64 ft at 3:35am Nov 22 Observed: 13.63 ft at 4:05am Nov 22 Observed: 13.57 ft at 4:35am Nov 22 Observed: 13.63 ft at 5:05am Nov 22 Observed: 13.6 ft at 5:35am Nov 22 Observed: 13.59 ft at 6:05am Nov 22 Observed: 13.58 ft at 6:35am Nov 22 Observed: 13.58 ft at 7:05am Nov 22 Observed: 13.6 ft at 7:35am Nov 22 Observed: 13.56 ft at 8:05am Nov 22 Observed: 13.6 ft at 8:35am Nov 22 Observed: 13.57 ft at 9:05am Nov 22 Observed: 13.53 ft at 9:35am Nov 22 Observed: 13.56 ft at 10:05am Nov 22 Observed: 13.53 ft at 10:35am Nov 22 Observed: 13.52 ft at 11:05am Nov 22 Observed: 13.52 ft at 11:35am Nov 22 Observed: 13.51 ft at 12:05pm Nov 22 Observed: 13.54 ft at 12:35pm Nov 22 Observed: 13.51 ft at 1:05pm Nov 22 Observed: 13.52 ft at 1:35pm Nov 22 Observed: 13.45 ft at 2:05pm Nov 22 Observed: 13.46 ft at 2:35pm Nov 22 Observed: 13.46 ft at 3:05pm Nov 22 Observed: 13.48 ft at 3:35pm Nov 22 Observed: 13.45 ft at 4:05pm Nov 22 Observed: 13.42 ft at 4:35pm Nov 22 Observed: 13.38 ft at 5:05pm Nov 22 Observed: 13.37 ft at 5:35pm Nov 22 Observed: 13.32 ft at 6:05pm Nov 22 Observed: 13.38 ft at 6:35pm Nov 22 Observed: 13.35 ft at 7:05pm Nov 22 Observed: 13.33 ft at 7:35pm Nov 22 Observed: 13.31 ft at 8:05pm Nov 22 Observed: 13.29 ft at 8:35pm Nov 22 Observed: 13.31 ft at 9:05pm Nov 22 Observed: 13.3 ft at 9:35pm Nov 22 Observed: 13.29 ft at 10:05pm Nov 22 Observed: 13.27 ft at 10:35pm Nov 22 Observed: 13.27 ft at 11:05pm Nov 22 Observed: 13.25 ft at 11:35pm Nov 22 Observed: 13.23 ft at 12:05am Nov 23 Observed: 13.22 ft at 12:35am Nov 23 Observed: 13.16 ft at 1:05am Nov 23 Observed: 13.14 ft at 1:35am Nov 23 Observed: 13.04 ft at 2:05am Nov 23 Observed: 12.99 ft at 2:35am Nov 23 Observed: 12.98 ft at 3:05am Nov 23 Observed: 12.96 ft at 3:35am Nov 23 Observed: 12.96 ft at 4:05am Nov 23 Observed: 12.94 ft at 4:35am Nov 23 Observed: 12.86 ft at 5:05am Nov 23 Observed: 12.85 ft at 5:35am Nov 23 Observed: 12.86 ft at 6:05am Nov 23 Observed: 12.84 ft at 6:35am Nov 23 Observed: 12.84 ft at 7:05am Nov 23 Observed: 12.85 ft at 7:35am Nov 23 Observed: 12.79 ft at 8:05am Nov 23 Observed: 12.86 ft at 8:35am Nov 23 Observed: 12.86 ft at 9:05am Nov 23 Observed: 12.88 ft at 9:35am Nov 23 Observed: 12.9 ft at 10:05am Nov 23 Observed: 12.9 ft at 10:35am Nov 23 Observed: 12.94 ft at 11:05am Nov 23 Observed: 12.92 ft at 11:35am Nov 23 Observed: 12.94 ft at 12:05pm Nov 23 Observed: 12.95 ft at 12:35pm Nov 23 Observed: 12.97 ft at 1:05pm Nov 23 Observed: 13 ft at 1:35pm Nov 23 Observed: 13.02 ft at 2:05pm Nov 23 Observed: 12.89 ft at 2:35pm Nov 23 Observed: 13.01 ft at 3:05pm Nov 23 Observed: 13.04 ft at 3:35pm Nov 23 Observed: 13.02 ft at 4:05pm Nov 23 Observed: 13.03 ft at 4:35pm Nov 23 Observed: 13.04 ft at 5:05pm Nov 23 Observed: 12.98 ft at 5:35pm Nov 23 Observed: 13.06 ft at 6:05pm Nov 23 Observed: 13.06 ft at 6:35pm Nov 23 Observed: 13.07 ft at 7:05pm Nov 23 Observed: 13.07 ft at 7:35pm Nov 23 Observed: 13.09 ft at 8:05pm Nov 23 Observed: 13.1 ft at 8:35pm Nov 23 Forecast: 13 ft at 1:00am Nov 24 Forecast: 12.9 ft at 7:00am Nov 24 Forecast: 12.9 ft at 1:00pm Nov 24 Forecast: 13 ft at 7:00pm Nov 24 Forecast: 13 ft at 1:00am Nov 25 Forecast: 12.9 ft at 7:00am Nov 25 Forecast: 12.8 ft at 1:00pm Nov 25 Forecast: 12.8 ft at 7:00pm Nov 25 Forecast: 12.7 ft at 1:00am Nov 26 Forecast: 12.7 ft at 7:00am Nov 26 Forecast: 12.7 ft at 1:00pm Nov 26 Forecast: 12.7 ft at 7:00pm Nov 26 Forecast: 12.7 ft at 1:00am Nov 27 Forecast: 12.7 ft at 7:00am Nov 27 Forecast: 12.6 ft at 1:00pm Nov 27 Forecast: 12.6 ft at 7:00pm Nov 27 Forecast: 12.6 ft at 1:00am Nov 28 Forecast: 12.6 ft at 7:00am Nov 28 Forecast: 12.6 ft at 1:00pm Nov 28 Forecast: 12.5 ft at 7:00pm Nov 28 Graph Created (9:33pm Nov 23, 2009) Observed Forecast (issued 7:34pm Nov 23) NCUW2 (plotting HTIRG) Gage 0 Datum: 632.00 Latest observed value: 13.1 ft at 8:35 PM EST 23-Nov-2009. Flood Stage is 36.0 ft. Tailwater (ft) Flow (kcfs)
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NOTE: The above river forecast includes future rainfall. Forecast stages may be different if the rainfall does not occur.

NOTE: Forecasts for the Ohio River at New Cumberland Lock & Dam are issued routinely year-round.

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Upstream Gauge - at Wellsville Upstream Gauge Downstream Gauge Downstream Gauge - at Steubenville

Flood Categories (in feet)
Major Flood Stage:39
Moderate Flood Stage:38
Flood Stage:36
Action Stage:26.6

Historical Crests
(1) 54.30 ft on 03/19/1936
(2) 50.20 ft on 12/31/1942
(3) 45.70 ft on 03/11/1964
(4) 45.60 ft on 01/10/1996
(5) 45.40 ft on 06/24/1972
(6) 44.90 ft on 10/17/1954
(7) 44.50 ft on 09/19/2004
(8) 43.10 ft on 01/23/1959
(9) 41.00 ft on 01/07/2005
(10) 38.90 ft on 04/01/1960

Low Water Records
(1) 0.0 ft on 01/01/1980

 Ohio River at New Cumberland Lock & Dam location map

Flood Impacts Collapse
45.0 Flood waters are approximately one foot deep at the flood indicator pole near the old Senior Center on Route 2
42.0 Lock walls overtopped. Flood waters are approximately one foot deep at the flood indicator pole near Harrison and South Chester Streets
41.0 Flood waters are approximately one foot deep at the flood indicator pole near Jefferson Street and Route 2
40.0 Flood waters are approximately one foot deep at the flood indicator pole near Adams Street and Route 2
39.0 Flood waters are approximately one foot deep near the flood indicator pole on South Chestnut Street at the bottom of Chelsea Hill
38.0 Flood waters are approximately one foot deep near the flood indicator pole on May Street
37.0 Navigation suspended, lock out of service. Flood waters are approximately one foot deep near the flood pole indicator at the south end of South Chestnut Street

About This Location Collapse
Latitude: 40.526389° N, Longitude: 80.625000° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 36 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 29 632 ft 668 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:
Corps of Engineers (COE) Info for New Cumberland Lock & Dam

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Hydrologic Resources
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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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