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Weather Forecast Office State College, 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 Eldred Observed crest: 6.02 ft at 7:00pm Nov 20 Observed: 6.02 ft at 7:00pm Nov 20 Observed: 5.97 ft at 8:00pm Nov 20 Observed: 5.91 ft at 9:00pm Nov 20 Observed: 5.86 ft at 10:00pm Nov 20 Observed: 5.79 ft at 11:00pm Nov 20 Observed: 5.72 ft at 12:00am Nov 21 Observed: 5.66 ft at 1:00am Nov 21 Observed: 5.59 ft at 2:00am Nov 21 Observed: 5.52 ft at 3:00am Nov 21 Observed: 5.46 ft at 4:00am Nov 21 Observed: 5.41 ft at 5:00am Nov 21 Observed: 5.35 ft at 6:00am Nov 21 Observed: 5.3 ft at 7:00am Nov 21 Observed: 5.25 ft at 8:00am Nov 21 Observed: 5.21 ft at 9:00am Nov 21 Observed: 5.17 ft at 10:00am Nov 21 Observed: 5.13 ft at 11:00am Nov 21 Observed: 5.1 ft at 12:00pm Nov 21 Observed: 5.06 ft at 1:00pm Nov 21 Observed: 5.04 ft at 2:00pm Nov 21 Observed: 5.01 ft at 3:00pm Nov 21 Observed: 4.98 ft at 4:00pm Nov 21 Observed: 4.96 ft at 5:00pm Nov 21 Observed: 4.94 ft at 6:00pm Nov 21 Observed: 4.92 ft at 7:00pm Nov 21 Observed: 4.9 ft at 8:00pm Nov 21 Observed: 4.89 ft at 9:00pm Nov 21 Observed: 4.88 ft at 10:00pm Nov 21 Observed: 4.86 ft at 11:00pm Nov 21 Observed: 4.85 ft at 12:00am Nov 22 Observed: 4.84 ft at 1:00am Nov 22 Observed: 4.82 ft at 2:00am Nov 22 Observed: 4.82 ft at 3:00am Nov 22 Observed: 4.81 ft at 4:00am Nov 22 Observed: 4.8 ft at 5:00am Nov 22 Observed: 4.79 ft at 6:00am Nov 22 Observed: 4.78 ft at 7:00am Nov 22 Observed: 4.77 ft at 8:00am Nov 22 Observed: 4.76 ft at 9:00am Nov 22 Observed: 4.76 ft at 10:00am Nov 22 Observed: 4.75 ft at 11:00am Nov 22 Observed: 4.74 ft at 12:00pm Nov 22 Observed: 4.73 ft at 1:00pm Nov 22 Observed: 4.73 ft at 2:00pm Nov 22 Observed: 4.72 ft at 3:00pm Nov 22 Observed: 4.72 ft at 4:00pm Nov 22 Observed: 4.71 ft at 5:00pm Nov 22 Observed: 4.7 ft at 6:00pm Nov 22 Observed: 4.7 ft at 7:00pm Nov 22 Observed: 4.69 ft at 8:00pm Nov 22 Observed: 4.69 ft at 9:00pm Nov 22 Observed: 4.68 ft at 10:00pm Nov 22 Observed: 4.68 ft at 11:00pm Nov 22 Observed: 4.67 ft at 12:00am Nov 23 Observed: 4.66 ft at 1:00am Nov 23 Observed: 4.66 ft at 2:00am Nov 23 Observed: 4.65 ft at 3:00am Nov 23 Observed: 4.64 ft at 4:00am Nov 23 Observed: 4.64 ft at 5:00am Nov 23 Observed: 4.63 ft at 6:00am Nov 23 Observed: 4.63 ft at 7:00am Nov 23 Observed: 4.62 ft at 8:00am Nov 23 Observed: 4.62 ft at 9:00am Nov 23 Observed: 4.61 ft at 10:00am Nov 23 Observed: 4.61 ft at 11:00am Nov 23 Observed: 4.6 ft at 12:00pm Nov 23 Observed: 4.6 ft at 1:00pm Nov 23 Observed: 4.59 ft at 2:00pm Nov 23 Observed: 4.58 ft at 3:00pm Nov 23 Observed: 4.58 ft at 4:00pm Nov 23 Observed: 4.58 ft at 5:00pm Nov 23 Forecast: 4.6 ft at 1:00pm Nov 23 Forecast: 4.5 ft at 7:00pm Nov 23 Forecast: 4.5 ft at 1:00am Nov 24 Forecast: 4.4 ft at 7:00am Nov 24 Forecast: 4.4 ft at 1:00pm Nov 24 Forecast: 4.3 ft at 7:00pm Nov 24 Forecast: 4.3 ft at 1:00am Nov 25 Forecast: 4.2 ft at 7:00am Nov 25 Forecast: 4.2 ft at 1:00pm Nov 25 Forecast: 4.2 ft at 7:00pm Nov 25 Forecast: 4.1 ft at 1:00am Nov 26 Forecast: 4.1 ft at 7:00am Nov 26 Forecast: 4 ft at 1:00pm Nov 26 Forecast: 4 ft at 7:00pm Nov 26 Forecast: 3.9 ft at 1:00am Nov 27 Forecast: 3.9 ft at 7:00am Nov 27 Forecast: 3.8 ft at 1:00pm Nov 27 Forecast: 3.8 ft at 7:00pm Nov 27 Forecast: 3.7 ft at 1:00am Nov 28 Forecast: 3.7 ft at 7:00am Nov 28 Graph Created (6:57pm Nov 23, 2009) Observed Forecast (issued 8:40am Nov 23) USGS--Water Resources of the United States ELRP1 (plotting HGIRG) Gage 0 Datum: 1416.50 Latest observed value: 4.58 ft at 5:00 PM EST 23-Nov-2009. Flood Stage is 23.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts for the Allegheny River at Eldred are issued routinely year-round.

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Upstream Gauge - at Port Allegheny Upstream Gauge Downstream Gauge Downstream Gauge - at Olean

Flood Categories (in feet)
Major Flood Stage:27
Moderate Flood Stage:25
Flood Stage:23
Action Stage:17

Historical Crests
(1) 29.10 ft on 06/23/1972
(2) 27.30 ft on 07/19/1942
(3) 21.89 ft on 01/20/1996
(4) 20.60 ft on 03/09/1956
(5) 20.10 ft on 06/23/1959
Show More Historical Crests

Low Water Records
(1) 1.3 ft on 09/29/1959

 Allegheny River at Eldred location map

Flood Impacts Collapse
31.0 This is the approximate height of the levee system. Widespread flooding continues in areas outside the levee. Inside the levee, low lying areas are affected.
29.0 Widespread flooding occurs in areas outside the levee system.
27.0 Low lying areas outside the levee sustem experience considerable inundation.
25.0 Areas outside the levee sustem experience considerable inundation.
23.0 Water level reaches the Railroad grade where it passes through the levee. Stop logs are installed to complete the levee closure.
21.0 A portion of Route 346 is closed due to high water.
19.0 Water covers a portion of Route 346 north of town.
17.0 Due to high water levels, river interests are encouraged to monitor conditions.

About This Location Collapse
Latitude: 41.963300° N, Longitude: 78.386400° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 1416.5 ft 1439.5 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 Eldred

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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
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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