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This probabilistic forecast is issued by the Ohio River Forecast Center.
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About this graph
Forecasts for the Allegheny River at Warren are issued as needed during times of high water, but are not routinely available.

The gage has been converted from NGVD29 to NAVD88 by the USGS. For additional information please visit: 

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Upstream Gauge - at Salamanca Upstream Gauge Downstream Gauge Downstream Gauge - at West Hickory
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 15
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): 0

Historic Crests
(1) 19.40 ft on 03/17/1865
(2) 18.30 ft on 03/08/1956
(3) 17.70 ft on 12/12/1873
(4) 17.20 ft on 03/27/1913
(5) 17.10 ft on 03/22/1948
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.50 ft on 06/24/1972
(2) 14.20 ft on 03/10/1964
(3) 15.00 ft on 03/06/1964
(4) 14.00 ft on 03/27/1963
(5) 14.90 ft on 05/25/1961
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.00 ft on 09/01/1954
(2) 1.00 ft on 10/01/1963
(3) 1.10 ft on 09/01/1952
(4) 1.10 ft on 07/01/1955
(5) 1.10 ft on 09/01/1955
Show More Low Water Records
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Gauge LocationGauge Map Marker
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
18 Many homes and businesses on both banks experience catastrophic flooding.
17 Many homes and businesses are affected by high water. The railroad tracks and business Route 6 are flooded. Water affects Warren General Hospital on the left bank.
15 A number of homes and businesses on the right, or north bank are affected by high water. Several streets are closed.
14 The right, or north bank begins to overflow, affecting a few houses and a couple of streets in low lying areas near the river.
(1) Downstream. 9/12/2022 stage 2.6'
(2) Upstream. 9/12/2022 stage 2.6'

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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) 954-6400
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Page last modified: 2-Nov-2020 7:30 PM
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