Parent Layer: Elevation

Name: elev_294_7

Display Field: GAGE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

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 289.9 to 309.2 feet as recorded at the Swatara Creek at Middletown (Middletown, PA; USGS ID 01573600) streamgage for the Swatara Creek. 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 Swatara Creek. 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-Baltimore District, USACE Institute of Water Resources, Hydrologic Engineering Center (CEIWR-HEC), USGS, NWS, FEMA, Esri, SRBC

Default Visibility: true

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: false

Supports Statistics: false

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: -8542496.123417718
YMin: 4892912.931339622
XMax: -8539141.302208351
YMax: 4903872.4017425
Spatial Reference: 102100  (3857)

Drawing Info:

Renderer:
Simple Renderer:
Symbol:
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Outline:
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Description: N/A
Transparency: 0
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: false
Supports OrderBy: false
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Supports Pagination: false
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: false
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• FID ( type: esriFieldTypeOID, alias: FID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• Shape_Leng ( type: esriFieldTypeDouble, alias: Shape_Leng )
• Shape_Area ( type: esriFieldTypeDouble, alias: Shape_Area )
• GAGE ( type: esriFieldTypeString, alias: GAGE, length: 8 )
• STAGE_FT ( type: esriFieldTypeDouble, alias: STAGE_FT )
• FLOW_CFS ( type: esriFieldTypeInteger, alias: FLOW_CFS )
• COND ( type: esriFieldTypeString, alias: COND, length: 25 )
• ELEV ( type: esriFieldTypeDouble, alias: ELEV )

Supported Operations:   Query   Query Attachments   Generate Renderer   Return Updates

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