Tutorial

• Simple tutorial describing examples of XML for OPMET data (also known as the "Primer document")

WMO Codes Registry providing information about supplemental resources referenced by AvXML 1.0.

• WMO Codes Registry. Further information about the WMO Codes Registry can be found on a separate page.

Schemas (with embedded schematrons) and examples

Note: References to WMO and ICAO Technical Regulations within the XML schema shall have no formal status and are for information purposes only. Where there are differences between the Technical Regulations and the schema, the Technical Regulations shall take precedence. Technical Regulations may impose requirements that are not described in the schema.

Online version

• metce
• opm
• iwxxm
• saf
• schematron rules (Note: The schematron rules in this directory are the same as those embedded in the XSD files. These SCH files are provided for validation software which is unable to use embedded schematrons to validate)
• examples

Compressed file bundle

• Compressed file bundle of schemas

Java representation of the schemas

• XML-Java binding
• XML-Java binding examples

Notes on how to implement the XML-Java binding are available.

Release Notes

• Release Notes