Welcome to the Meteorological Information Exchange website

The Weather Information Exchange Models and Schema (WXCM-WXXM-WXXS) are designed to enable a platform independent, harmonized and interoperable meteorological information exchange covering all the needs of the air transport industry.

The Weather Information Exchange Model specifications support the data-centric environment. It supports MET information collection, dissemination and transformation throughout the data chain.

This site introduces you to WXCM-WXXM-WXXS and its key concepts.

Additionally you can download the UML and the XML Schema documents.

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It has three main components:

• The conceptual Information Model (WXCM)
• The Logical Data Model (WXXM)
• The Exchange Schema (WXXS)

The WXCM-WXXM-WXXS takes advantages of existing and emerging information engineering standards and supports current and future aeronautical meteorological information system requirements.

The major tenets are:

• Support for the latest ICAO and other user requirements for meteorological information by one single representation
• Alignment with ISO standards for geospatial information, including the use of the Geography Markup Language (GML)
• Alignment with OGC Best Practices for geospatial information, including the Observation & Measurement model
• Modularity to support future requirements