Parent Layer: Depth Grids

Name: elev_851_6

Display Field:

Type: Raster Layer

Geometry Type: null

Description: This layer was created as part of a Flood Inundation Map Library developed for display within the NOAA National Weather Service's Advanced Hydrologic Prediction Services (AHPS). This data represents the potential flood extent for an elevation of 841.4 to 858.4 feet as recorded at the Chemung River at Elmira, NY (Elmira, NY, NY; USGS ID 01530332) streamgage for the Chemung River. This data is part of a series of inundation layers meant to correlate observations and forecasts from the river gages with a visual representation of the areas impacted by high water. The dataset of flood depth grids was created from flood scenarios generated by HEC-RAS runs and LiDAR data obtained from the USGS which was processed to extract bare earth points. A raster of depth grids for each stage was created and subsequently merged to form continuous datasets for the main-stem Chemung River. This data was developed to assist the public and emergency officials with planning and response to high water episodes at or near a defined National Weather Service river forecast point.

Copyright Text: USACE, USACE-Philadelphia District (CENAP), USACE Institute of Water Resources, Hydrologic Engineering Center (CEIWR-HEC), USGS, NWS, FEMA, Esri

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Supported Query Formats: JSON, geoJSON, PBF

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Extent:

XMin: -8567590.3137457
YMin: 5163118.558932014
XMax: -8538405.04577516
YMax: 5181499.254893408
Spatial Reference: 102100  (3857)

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N/A

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Type ID Field: null

Fields: None


Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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