NetCDF ToolsUI
Unidata
Graphical interface to netCDF-Java / Common Data Model
https://www.ncei.noaa.gov/thredds/catalog/cfs_refor_6h_9m_pgb/1989/198902/19890220/catalog.xml#cfs_refor_6h_9m_pgb/1989/198902/19890220/pgbf1989071618.01.1989022018.grb2.md5