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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the Middle Atlantic River Forecast Center.
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About this graph
Forecasts for the West Branch Susquehanna River at Lock Haven are issued routinely year-round.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Jersey Shore
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 23
Flood Stage: 21
Action Stage: 17
Low Stage (in feet): 0

Historic Crests
(1) 32.30 ft on 03/18/1936
(2) 31.10 ft on 06/23/1972
(3) 29.80 ft on 06/01/1889
(4) 28.13 ft on 09/18/2004
(5) 27.61 ft on 11/26/1950
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.10 ft on 12/02/2010
(2) 28.13 ft on 09/18/2004
(3) 25.86 ft on 01/20/1996
(4) 17.82 ft on 03/25/1994
(5) 18.30 ft on 11/28/1993
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.63 ft on 10/02/1941
(2) 5.10 ft on 09/02/1939
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
39.5 Approximate level of the FEMA 0.2% Annual Chance Flood level (500-year flood).
35.5 Flood waters begin to reach teh Woodward Avenue Bridge.
34.5 Flood waters begin to reach the North Jay Street Bridge.
33.5 Approximate level of the FEMA 1% Annual Chance Flood level (100-year flood).
32.5 Flood of record from 1936. Flood waters begin to reach teh railroad bridge crossing the river near Farrandsville.
31 Approximate level of the FEMA 2% Annual Chance Flood level (50-year flood).
30.5 Flood waters begin to reach the first Island Road Bridge.
27 Approximately 75 percent of Lock Haven would be inundated if the levee system was not in place.
25 Numerous homes and businesses would be flooded if the levee system was not in place. Approximate level of the FEMA 10% Annual Chance Flood level (10-year flood).
23 Considerable flooding would occur if the levee system was not in place.
21 The right, or south bank overflows in areas not protected by the levee system.
19 River interests should monitor conditions for continued rising water levels.
17 River interests should monitor conditions for continued rising water levels. Historically, at these levels, homes downstream along the antes creek are affected.
Photos
(1) looking upstream
(2) view of the gagehouse
(3) looking downstream

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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

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) 231-2408
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Page last modified: 21-Dec-2016 10:38 PM
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