DO.EWS.02 CapAlert

An alert is a collection of information that EWS can share with SP System to take anticipatory actions.

The CapAlert object shall contain alert metadata and descriptive elements aligned with the Common Alerting Protocol (CAP) v1.2. This ensures semantic interoperability and consistent interpretation of alert messages across systems.

Normative Reference: OASIS Common Alerting Protocol (CAP) v1.2 https://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2.html

Attribute	Type	Cardinality	Description
identifier	DT.COM.02 string	1...1	Unique identifier of the alert message
sender	DT.COM.02 string	1...1	Identifies the sender of the alert.
sent	DF.COM.STRING.01 date_time	1...1	The time and date of the origination of the alert message
status	CD.EWS.03 status	1...1	Status of the alert (e.g., Actual, Exercise, Test).
msg_type	CD.EWS.04 message_type	1....1	Type of message (e.g., Alert, Update, Cancel).
source	DT.COM.02 string	0...1	The text identifying the source of the alert message
scope	CD.EWS.05 scope	1...1	Scope of the alert (e.g., Public, Restricted, Private).
restriction	DT.COM.02 string	0...1	The text describing the rule for limiting distribution of the restricted alert message
addresses	DT.COM.05 array	0...1	The group listing of intended recipients of the alert message. Required when is “Private”, optional when is “Public” or “Restricted”.
code	DT.COM.02 string	0...1	The code denoting the special handling of the alert message
note	DT.COM.02 string	0...1	The text describing the purpose or significance of the alert message
references	DT.COM.05 array	0...1	The group listing identifying earlier message(s) referenced by the alert message
incidents	DT.COM.05 array	0...1	The group listing naming the referent incident(s) of the alert message
info	DO.EWS.03 Info	0...*	details of the CapAlert
created_at	DF.COM.STRING.01 date_time	0...1	the date of the creation of the alert

{
      "identifier": "ALERT-2026-00001",
      "sender": "ews.gov.lb",
      "sent": "2026-06-22T10:00:00Z",
      "status": "Actual",
      "msgType": "Alert",
      "source": "National Early Warning System",
      "scope": "Public",

      "info": [
        {
          "language": "en-US",
          "category": [
            "Met"
          ],
          "event": "Flash Flood",
          "responseType": [
            "Prepare"
          ],
          "urgency": "Immediate",
          "severity": "Severe",
          "certainty": "Likely",

          "headline": "Flash Flood Warning",
          "description": "Heavy rainfall may cause flash flooding.",
          "instruction": "Move to higher ground.",

          "effective": "2026-06-22T10:00:00Z",
          "expires": "2026-06-22T18:00:00Z",

          "area": [
            {
              "areaDesc": "Bekaa Governorate",

              "polygon": [
                "33.85,35.45 33.95,35.45 33.95,35.55 33.85,35.55 33.85,35.45"
              ],

              "geocode": [
                {
                  "valueName": "ADMIN_CODE",
                  "value": "LB-BI"
                }
              ]
            },
            {
              "areaDesc": "Baalbek District",

              "geocode": [
                {
                  "valueName": "SPMIS_DISTRICT_ID",
                  "value": "DISTRICT_101"
                }
              ]
            }
          ]
        }
      ]
    }