The World Meteorological Organisation (WMO) brings together national meteorological services to promote the sharing of data and services. It is a United Nations organisation.
This is the WMO Codes Registry, which publishes structured content from the official WMO manuals in a web accessible form.
The WMO Codes Registry enables the WMO to publish codes as individual resources within a resource structure. These codes are officially managed within the \ WMO Manuals on Codes.