COMET AMDAR Module Produced for WMO

WMO, in collaborated with the National Weather Service (NWS) of the U.S. National Oceanic and Atmospheric Administration (NOAA) and The COMET® Program of the University Corporation for Atmospheric Research (UCAR), has produced an Introduction to Aircraft Meteorological Data Relay (AMDAR).

The module illustrates the benefits and uses of AMDAR, an aircraft-based observing system coordinated through WMO.

The publication has three main sections: meteorological applications of AMDAR, aviation applications of the data, and additional information about the systems and requirements for AMDAR implementation. It includes interviews with experts who provide examples of the use of AMDAR for both meteorological and aviation purposes.

The intended audience includes meteorological service managers and providers, observational development groups, the aviation industry, and others interested in benefiting from an aircraft-based observing system in their region. With its broad scope, the module should appeal to anyone interested in learning more about AMDAR, the observations it provides and how the data are used.

The module also will advise those interested in participating in AMDAR, both National Meteorological and Hydrological Services (NMHS) and airlines, on the first steps to take and provides contact information for WMO experts. Additional details about the systems and requirements for implementing AMDAR are also included. After registration with COMET MetEd, the module can be accessed at

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