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VIIRS/NOAA20 Cloud Properties Level 3 monthly, 1x1 degree grid

Published by NASA/GSFC/SED/ESD/HBSL/BISB/LAADS;UWI-MAD/SSEC/ASIPS | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:50 PM | Dataset Last Updated: June 23, 2026
The VIIRS/NOAA20 Cloud Properties Level 3 monthly, 1x1 degree grid product, shortname CLDPROP_M3_VIIRS_NOAA20, is a continuity product designed to sustain the long-term records of both Moderate Resolution Imaging Spectroradiometer (MODIS) and VIIRS heritages. CLDPROP is used to represent Cloud Properties, which includes both Cloud-Optical Property (COP) and Cloud-Top Property parameters. This product ensures continuity of approach through a common algorithm that is applicable to both MODIS and VIIRS data by leveraging only those spectral channels that are common to both instruments. For more information, visit product page at: https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/products/CLDPROP_M3_VIIRS_NOAA20

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