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    1. <mark id="8i82i"><u id="8i82i"><span id="8i82i"></span></u></mark>


      Tioga River near Erwins, NY (ERWN6)


      Data Type




      Inundation Levels
      NAVD88 Stage

      957.5*26.8*
      Record Crest: 26.74 ft
      956.525.8
      955.624.9
      954.323.6
      952.521.8
      952.021.3

      Major Flooding Begins

      950.720.0

      Moderate Flooding Begins

      949.719.0

      Minor Flooding Begins

      948.718.0
      947.817.1

      Near Flooding Begins

      946.716.0
      945.715.0

      Below Flooding Begins

      * = Extended rating
      Weather Forecast Office Binghamton, NY Middle Atlantic River Forecast Center
      Hydrograph River at a Glance Download Inundation
      Mapping
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      Click on mapped inundation to see water depth values for that location, or hold shift and drag to zoom to area.

      Current Stage:
      6.4 ft at 12/11/2019 06:00:00 UTC
      Selected Inundation
      Mouse Location

      North Arrow

      Inundation Legend
      Depth in feet
      USGS Gauge Location Gauge Location
      What is UTC time? Map Help

      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.

      Gauge Information Collapse

      Map Overlays

      Flood Categories (in feet)
      Major Flood Stage: 20
      Moderate Flood Stage: 19
      Flood Stage: 18
      Action Stage: 16
      Low Stage (in feet): -9999

      Historic Crests
      Currently none available.

      Recent Crests
      Currently none available.

      Low Water Records
      Currently none available.

      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 purpose of a flood forecast inundation map is to communicate flood risk based on best available information at the time of map development. This flood forecast inundation map has been compiled using the best information available and is believed to be accurate; however, its preparation required many assumptions. Actual conditions during a flood event may vary from those modeled in the map, including erosion and sedimentation. The limits of flooding shown should only be used as a guideline for emergency planning and response actions. Actual areas inundated will depend on specific flooding conditions.

      The risk of flooding behind flood risk management (FRM) structures (such as levees, floodwalls, closures, etc.) depends on many factors that cannot be entirely predicted in advance. These factors include whether the FRM structure overtops, length of time the structure overtops, and whether the overtopping leads to breach formation.

      The mapping is based on ground elevation data from: FEMA Chemung Watershed 2011; PASDA North 2008; County Chemung Watershed 2005; and County Chemung Watershed 2002

      Flood Risk Management Structures (red lines) – Shows levee and floodwall systems that reduce the flood risk.? The area behind the FRM structures is not shown as being flooded until the structure is over-topped.

      Flood Risk Management Risk Area (yellow shaded area) - Shows the area with flood risk reduced by the flood risk management structures

      Note:? Dams upstream in the Tioga River Watershed provide some flood mitigation.? Inundation maps would not be representative in the case of a dam breach.???

      Note: ? Depths shown are only accurate for the land/overbank areas and not within the stream channel itself.

      Note: Map layers represent the inundation of the lowest elevation of intersecting road surfaces. Elevated roadways may remain free of inundation.

      If you have questions related to the flood risk management/levee projects within NYS contact the NYSDEC Bureau of Flood Protection and Dam Safety at (518) 402-8185.

      The National Levee Database can be accessed here.

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      Page last modified: 6-Nov-2019 2:45 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.
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