From UM Wiki Pages

Main: Um Arcana

This is a page about various aspects of the UM that are important, but inobvious.

• Climate Meaning - how climate meaning works in the UM.
• New Ancillary Files - add one or more new ancillary files (at vn4.5)
• New Diagnostic - add/test a new atmospheric model diagnostic

— Dan Hodson? - 13 Jul 2004