Met Office Codes Registry


This is the Met Office Codes Registry for controlled terminology and specifications. The reference material is for research purposes, it does not provide an operational service.

Documentation regarding entities contained in the registry can be found at the following link: Identifiers, URIs and URLs.

For a guide on using content in the registry, please see: Querying the Registry for content.


Content Changes

Content changes can be made by requesting a change from a site administrator. Any requested change will be assessed on its individual merits, and potential impact on other users. If you'd like to request a change please email

Note: Any requests to change an entry already in the register should include a link to the entry.

Technical Support

If you think this service is not functioning correctly, please try clearing your local history, and cache. If the problem persists, please contact