View In:   ArcGIS Online Map Viewer

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: dabf398c4c1c4a769faeffe41fec9ac5

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

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: 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: true
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: false
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:

Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID, editable: false, nullable: false, defaultValue: null, modelName: OBJECTID )
• ID ( type: esriFieldTypeSmallInteger, alias: ID, editable: true, nullable: true, defaultValue: null, modelName: ID )
• ADDRESS ( type: esriFieldTypeString, alias: ADDRESS, editable: true, nullable: true, length: 50, defaultValue: null, modelName: ADDRESS )
• ALIAS ( type: esriFieldTypeString, alias: Alternate Address, editable: true, nullable: true, length: 50, defaultValue: null, modelName: ALIAS )
• Dbf ( type: esriFieldTypeInteger, alias: Noise Level (Dbf), editable: true, nullable: true, defaultValue: null, modelName: Dbf )
• SERVICE ( type: esriFieldTypeInteger, alias: Years in Service, editable: true, nullable: true, defaultValue: null, modelName: SERVICE )
• TYPE ( type: esriFieldTypeString, alias: Siren Type-Manufacture, editable: true, nullable: true, length: 50, defaultValue: null, modelName: TYPE )

Templates:

• Name: Outdoor Warning Siren
  Description:
  Prototype:
  SERVICE: null
  TYPE: null
  ID: null
  ADDRESS: null
  ALIAS: null
  Dbf: null
  
  Drawing Tool: esriFeatureEditToolPoint

Capabilities: Query,Extract

Sync Can Return Changes: false

Is Data Versioned: true

Supports Rollback On Failure: false

Supports ApplyEdits With Global Ids: false

Supports Query With Historic Moment: false

Supports Coordinates Quantization: true

Child Resources:   Field Groups   Contingent Values

Supported Operations:   Query   Query Analytic   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata   Update Metadata