National Oceanic and Atmospheric Administration, United States Department of Commerce


  • Attention Satellite Users! (07/10/2017):

    The GOES-R Peer Stakeholder - Product Validation Review for ABI L1b and CMI Provisional Maturity was held on June 1, 2017. As a result of this review, NOAA has confirmed that the ABI L1b and CMI data are at Provisional Validation Maturity as of June 1, 2017 see Readme for details). This means that these products can be publicly accessed within the CLASS data family, GOES-R Series ABI Products (GRABIPRD).

    While the GOES-16 ABI L1b and CMI data have reached provisional validation, please keep in mind that since GOES-16 satellite has not been declared operational, its data are still considered preliminary and undergoing testing.

  • VIIRS Active Fires Product (06/21/2017):
    VIIRS Active Fires EDR/ARP (AVAFO) from the Interface Data Processing Segment (IDPS) is no longer archived as of 2017-06-28. Users should use the higher quality, replacement product, JPSS Active Fires (AF), which began on 2016-03-15 and is available from the CLASS data family S-NPP Data Exploitation Granule (NDE_L2).

  • Suomi NPP data access status (updated 01/11/17):
    The majority of S-NPP products are available for ordering through CLASS website. These products are grouped under JPSS and S-NPP on the drop down product list. It is important to note the product/algorithm maturity levels from beginning dates to current dates by visiting the STAR JPSS Algorithm Maturity website at https://www.star.nesdis.noaa.gov/jpss/AlgorithmMaturity.php.

    For further assistance please check out the STAR Science Documents website for JPSS Algorithm Theoretical Basis Documents (ATBD), Users Guides, Cal/Val plans, and much more. If you have any questions please email the CLASS Help Desk.