ArcGIS REST Services Directory
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Layer: CAP_Alerts (ID:0)

View In:   Map Viewer

Name: CAP_Alerts

Display Field:

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Is View: true

Is Updatable View: true

Source Schema Changes Allowed: true

Sources

Description: <div>A <span style="font-weight:bold; font-style:italic;">CAP</span> message communicates key facts and recommended actions, including data designed for machine processing as well as information that people can read. Click <span style="font-weight:bold;"><a href="https://www.youtube.com/watch?v=JnaF5Zb0hqU" target="_blank">here</a></span> to see a short video about CAP.</div><div><br /></div><div>This Layer provides GIS Features derived from emergency alerts specified by XML schemas in the international standard CAP (<span style="font-weight:bold;"><a href="https://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2-os.doc" target="_blank">ITU-Recommendation X.1303</a></span>). Click <span style="font-weight:bold;"><a href="https://docs.google.com/document/d/1HIrDo2wR1vE7it0AsehxII1i91u8oX-t/edit" target="_blank">here</a></span> to see the specification for transforming each CAP alert message into its equivalent set of polygon or circle GIS Features formatted as GeoJSON. The CAP alerts are streamed in near-real time from an RSS feed published by the Alert Hub, available <a href="https://cap-alerts.s3.amazonaws.com/unfiltered/rss.xml" target="_blank"><span style="font-weight:bold;">here</span></a>.</div>

Copyright Text: Alert-Hub.org and Alerting Authorities (see catalog), Esri

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeNone

Object ID Field: OBJECTID

Unique ID Field:

Global ID Field:

Type ID Field:

Fields:
Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 4/8/2025 11:44:26 AM

Schema Last Edit Date: 4/8/2025 11:43:17 AM

Data Last Edit Date: 4/8/2025 11:44:26 AM

Supported Operations:   Query   Query Top Features   Query Analytic   Query Bins   Generate Renderer   Validate SQL   Get Estimates   ConvertFormat