Name: Outdoor Warning Siren

Display Field: ADDRESS

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: The Outdoor Warning Sirens layer consists of point features representing the locations of sirens strategically placed throughout the city. These sirens are activated during severe weather events, including large hail, heavy winds, and tornado warnings, to alert individuals who are outdoors. Each feature includes attributes such as siren ID, location coordinates, and activation criteria, supporting emergency response planning and coordination.The Outdoor Warning Sirens layer can be accessed through the City of Allen's GIS Open Data Hub: Outdoor Warning Sirens – ArcGIS HubMetadata updated: 05/2025

Service Item Id: 181e78595b8246f3996174eeaf8ef854

Copyright Text: Allen Tx

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0.0

Max Scale: 0.0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 2511060.9519373626
YMin: 7080124.332122594
XMax: 2552096.0065675825
YMax: 7104475.921521276
Spatial Reference: 102738  (2276)  VCSWkid(115702)  LatestVCSWkid(115702)

Drawing Info:

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

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false
Supports Percentile Statistics: true
Supports Having Clause: true
Supports Count Distinct: true
Supports Time Relation: true
Supports Sql Format: false
Supports Query Analytic: true
Supports Query With Current User: true

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• ID ( type: esriFieldTypeSmallInteger, alias: ID )
• ADDRESS ( type: esriFieldTypeString, alias: ADDRESS, length: 50 )
• ALIAS ( type: esriFieldTypeString, alias: Alternate Address, length: 50 )
• Dbf ( type: esriFieldTypeInteger, alias: Noise Level (Dbf) )
• SERVICE ( type: esriFieldTypeInteger, alias: Years in Service )
• TYPE ( type: esriFieldTypeString, alias: Siren Type-Manufacture, length: 50 )
• SHAPE ( type: esriFieldTypeGeometry, alias: SHAPE )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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