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Dissemination/Communication of Alerts PDF Print E-mail

Dissemination/Communication of Alerts

This section provides guidance on the recommended methods of communicating and disseminating alerts and warnings to the vulnerable population

Cell Broadcast Technology for Public Warning

The aim of this resource is to share technical perspectives on the capabilities and feasibility of implementation of an emerging technology in the region as various countries expand their EWS infrastructure to better server this populations in the context of disaster risk management. This is particularly in light of the experiences of Anguilla, Aruba, Montserrat and Sint Maarten in particular as they have strengthened/adopted the Common Alerting Protocol (CAP) structure for EWS

Common Alerting Protocol (CAP)

Common Alerting Protocol (CAP) is an international standard format for emergency alerting and public warning. It is designed for “all hazards”, related to weather events, earthquakes, tsunamis, volcanoes, public health, power outages, and many other emergencies. CAP is also designed for “all-media”, including communications media ranging from sirens to cell phones, faxes, radio, television, and various digital communication networks based on the Internet. This section includes:

  • Technical Specifications

CAP server software
CAP server hardware
FM Broadcast Interrupt
RDS Encoder and Receivers
Siren Controller

Community Early Warning Systems: Guiding Principles

This guide aims to provide an overview of successful practices from the field for the disaster risk reduction/management practitioner interested in EWS. It presents guiding principles that will build a strong foundation for the design or strengthening of EWS at any level. It is not meant to be an operational guide but is more of a strategic one that insists on asking the right questions and exploring all perspectives prior to deciding whether or not early warning is the appropriate tool for a given context. For this section emphasis should be placed on reviewing Guiding principle 5: “Design EWS components with multiple functions,” Guiding Principle 10: “Demand appropriate technology,” Guiding Principle 11: Require redundancy in indicators and communication channels” and Guiding Principle 12: “Target and reach disadvantaged and vulnerable groups.” French, Spanish,

Multi-Hazard App

The Global Disaster Preparedness Center’s Multi-Hazard app program aims to enhance disaster preparedness through the use of smartphone technology. The app can monitor and track weather developments, prepare individuals and communities for disaster scenarios, and assist users with finding help and sending safety notifications to family and friends during disaster. Click here for further information.



CDEMA Annual Reports