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NASA GES DISC provides statistical summaries of VIIRS cloud mask and Level 1B data collocated within CrIS instrument footprints from the NOAA-20 satellite. The Cross-track Infrared Sounder (CrIS) data includes 2,223 spectral channels across shortwave, midwave, and longwave infrared bands. Products are generated on six-minute boundaries from the Joint Polar Satellite System-1 mission.
Understanding the data requires knowledge of satellite remote sensing, specifically the structure of CrIS field-of-regards (30 cross-track x 45 along-track) and VIIRS bands. The primary data is a statistical summary, not the original sensor records.