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West Branch Susquehanna River at Jersey Shore, PA (JRSP1)


Data Type




Inundation Levels
NAVD88 Stage

552.5* 40.0*
551.5* 39.0*
Record Crest: 38.2 ft
550.5 38.0
549.5 37.0
548.5 36.0
547.5 35.0
546.5 34.0
545.5 33.0
544.5 32.0
543.5 31.0
542.5 30.0
541.5 29.0

Major Flooding Begins

540.5 28.0

Moderate Flooding Begins

539.5 27.0
538.5 26.0

Minor Flooding Begins

537.5 25.0
536.5 24.0
535.5 23.0
* = Extended rating
Weather Forecast Office State College, PA Middle Atlantic River Forecast Center

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Current Stage:
2.5 ft at 08/29/2014 01:15:00 UTC
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Inundation Legend Inundation Legend
USGS Gauge Location Gauge Location

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.

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Map Overlays

Flood Categories (in feet)
Major Flood Stage:29
Moderate Flood Stage:28
Flood Stage:26
Action Stage:23

Historical Crests
(1) 38.20 ft on 06/23/1972
(2) 37.90 ft on 03/19/1936
(3) 37.30 ft on 06/01/1889
(4) 32.80 ft on 11/25/1950
(5) 30.74 ft on 09/18/2004
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(P): Preliminary values subject to further review.

Low Water Records

Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.

Site-specific information:

The scientific publication for these maps is available from the USGS at:  http://pubs.usgs.gov/sir/2010/5057/

These maps represent unobstructed flow conditions and may be unrepresentative when ice jams and/or debris are in place.

Extended rating:
Rating Curve Extension - The Rating Curve Extension is calculated by using either a linear, logarithmic, or hydraulic technique to extend the rating curve above the currently established relationship between stage and flow.

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If you notice any errors in the below information, please contact our Webmaster
32 Most of Jersey Shore adjacent to the river is flooded.
29 Many homes and businesses in Jersey Shore are affected by high water.
28 The left, or north bank overflows. Some homes adjacent to the river are affected.
26 The river overflows onto Log Island.
23 LONG ISLAND (ROUTE 44) AND NORTH MAIN STREET IN JERSEY SHORE MAY BE CLOSED TO TRAFFIC.
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Page last modified: 15-Jul-2014 6:27 PM
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Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.