What is the CAP Standard?

The Common Alerting Protocal (CAP) is an international standard format for emergency alerting and public warning.  It is designed for "all-hazards", related to weather events, earthquakes, tsunami, 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. Learn more ... YouTube  FTP

The WMO CAP Jump-Start Offer for National Meteorological and Hydrological Services (NMHSs)

• The World Meteorological Organization (WMO), through the Public Weather Services (PWS) Programme, is offering expert assistance to National Meteorological and Hydrological Services (NMHSs) on how to implement the Common Alerting Protocol (CAP) Standard. Learn more ...

• The CAP Jump-Start circular letter to NMHSs:

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Activities

Publications

• Administrative Procedure for Registering WMO Alerting Identifiers (TD No. 1556/PWS-20)PDF English version
• Procédure Administrative Pour l’Enregistrement des Identificateurs d’Alerte de L’OMM (TD No. 1556/PWS-20)Version Française
• Procedimiento Administrativo Para Registrar Identificadores de Alerta de la OMM (TD No. 1556/PWS-20)Spanish version
• АДМИНИСТРАТИВНАЯ ПРОЦЕДУРА ДЛЯ РЕГИСТРАЦИИ ИДЕНТИФИКАТОРОВ ОПОВЕЩЕНИЯ ВМО (TD No. 1556/PWS-20)Russian version