In its role of managing the US federally-funded National Center for Atmospheric Research (NCAR), the non-profit University Corporation for Atmospheric Research (UCAR) has a strong history of supporting and promoting the atmospheric sciences and related fields. In September 2009, UCAR joined a growing number of other institutions worldwide in passing an Open Access mandate requiring that all peerreviewed research published in scientific journals by its scientists and staff be made publicly available online through its institutional repository, OpenSky. The new policy and accompanying repository will enable UCAR to compile, preserve and share a complete record of its intellectual output; increase its community visibility and impact; and advan...