Version 2.1.10 is available upstream. Please consider updating! It seems that version 2.1.10 is available upstream, while the latest version in the Gentoo tree is 2.1.8. You think this warning is false? Read more about it here.
Ncview is a visual browser for netCDF format files. Typically you
would use ncview to get a quick push-button look at your netCDF
files. You can view movies of the data, view along various
dimensions, take a look at the actual data values, change color
maps, invert the data, etc.