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WMO Hosts CAP Implementers Workshop

CAP Implementers Workshop at World Meteorological Organization (WMO)

Geneva, Switzerland. July 31, 2008.

Eliot Christian, WIS Senior Scientific Officer
World Meteorological Organization (WMO)

The Common Alerting Protocol (CAP), an OASIS standard adopted as ITU Recommendation X.1303, is the foundation standard for all-media public warning. Designed as an all-hazards alert format, CAP is being implemented worldwide for earthquakes, public health, and many other emergencies, in addition to weather events.

I am writing to organizations that may be interested to participate in a two-day CAP Implementers Workshop. If your organization is interested, please reply as soon as possible ( as to:

  • How many persons from your organization are likely to participate in this Workshop?
  • Is your organization interested in showing a technology demo or best practices poster?
  • What high-priority coordination topics should be discussed at this Workshop?

Please also forward this note to any discussion lists or individuals that may be interested to participate.

Workshop Details

This Workshop is planned for 9-10 December 2008 at the WMO (World Meteorological Organization) in Geneva, in cooperation with OASIS and ITU. It will be primarily a forum for discussions among CAP implementers and ICT or emergency management organizations on topics requiring coordination.

These topics may include, among others: having an internationally agreed list of authorities for common types of CAP alerts; disseminating, aggregating, and authenticating CAP alerts; making globally unique identifiers for CAP alerts; and, best practices for text in the CAP "description" and "instruction" elements.

You may be aware that this Workshop follows on the October 2006 "Workshop and Demonstration of Advances in ICT Standards for Public Warning" held at ITU in Geneva.

Geneva Workshop 2006: Online References

Since that 2006 Workshop, there have been notable developments, including:

  • The ITU-D (ITU Development Sector) approved guidance for developing nations on CAP implementation

  • OASIS established its Emergency Interoperability Member Section to accelerate implementation of CAP and allied emergency data exchange standards

  • The U.S. FCC (Federal Communications Commission) issued an order requiring use of CAP

  • The WMO SWIC (Severe Weather Information Centre) began work on CAP warnings of Tropical Cyclones

  • The U.S. National Weather Service (NWS) continued improving its CAP messages and developing its Next Generation Warning Tool

  • The Weather Channel underscored to NWS the need to institute CAP

  • The U.S. Environmental Protection Agency began developing CAP alerts for air quality warnings

  • The Earth Observations Summit highlighted CAP implementation as a major achievement

  • Canada and the U.S. coordinated on implementation of their respective CAP-based alerting systems

  • EUMETNET began exploring how to adapt METEOALARM to support CAP


Eliot Christian, WIS Senior Scientific Officer
World Meteorological Organization (WMO)
Case Postal 2300, CH 1211 Geneva 2, Switzerland
Tel: +41 22 730 81 71

Prepared by Robin Cover for The XML Cover Pages archive. See: (1) the news story "OASIS/ITU-T Common Alerting Protocol (CAP) Receives Support from FEMA and WMO"; (2) OASIS Emergency Management TC: CAP, EDXL-DE, EDXL-RM, HAVE.

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