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 IWXXM 2.

• WMO Codes Registry. Further information about the WMO Codes Registry can be found on the About page of http://codes.wmo.int.

Schemas, 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: schemas,schematrons.
• iwxxm: schemas,schematrons,examples

Compressed file bundle

• metce: schemas and schematrons
• iwxxm: schemas and schematrons, examples
• Full XML schema and Schematron bundle. This includes all ICAO/WMO schemas and Schematron files released to date (IWXXM, METCE, Collect, and others) along with an XML catalog. This schema bundle may be unzipped and used for local XML validation purposes.

Java representation of the schemas

Note: Java-bindings provided in IWXXM v1 are for demonstration only and it will no longer be provided starting from IWXXM v2. Those who need help may want to check if any contributed software is available at the WMO IWXXM forum.

Release Notes

• Release Notes

UML Model

Note: We develop the models and transform them into XML schemas with Enterprise Architect Version 12.1

• UML model of METCE in XMI format
• UML model of IWXXM in XMI format

HTML documentation generated from the UML model

Note: The pages are compatible with Firefox and Internet Explorer, but not with Chrome.

• Compressed file containing html files for IWXXM 2.1 and METCE 1.2. Note: you need to unpack the folder structure and view index.htm.
• Web versions for IWXXM 2.1 and METCE 1.2. Note: if you have problems reading the web pages with one browser, they may work in another.