What Metview version is required?
Metview versions 4.4.4. or later are required.
What VAPOR Version is required?
Version 2.2.2 and later are supported.
Please note that VAPOR is not an ECMWF development. VAPOR is not distributed with Metview, but it has to be installed separately. Please visit the VAPOR website for installation instructions: https://www.vapor.ucar.edu.
How to set up the Metview Vapor interface?
To make this interface work Metview has to be started up with the MV_VAPOR_HOME environmental variable set the the location of the VAPOR installation.