Abstract
The Comprehensive Large Array-data Stewardship System (CLASS), a National Oceanic and Atmospheric Administration (NOAA) IT enterprise solution supporting NOAA's data archive and science data stewardship missions by providing the IT portion of an archive for environmental data. CLASS requirements are defined by NOAA's Archive Requirements Working Group (ARWG), which serves as a clearinghouse for requirement planning and ensures that science and other user requirements are clearly defined with respect to NOAA's archive. Currently, CLASS is part of a major 10-year growth program to add new data sets and functionality to support a broader user base. NOAA needs to define the types of data to be archived, metadata managing standards, and the data search, display, and delivery services that CLASS will provide to users. These requirements are captured in documents that include MOAs, ICDs and OAIS-compliant Data Submission Agreements that drive the software and hardware architecture changes needed to handle the expected future increases in user and data volumes. The paper will present CLASS' approach for other major data campaigns such as Metop, NPP, NPOESS and EOS, historical data and its plans for going forward with the GOES-R data campaign.
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