The LAADS DAAC has publicly released the NOAA20 VIIRS Cloud-Mask product. This Level-2 (L2) Cloud Mask is a continuity product designed to sustain the long-term records of both Moderate Resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imaging Radiometer Suite (VIIRS) heritages. This L2 product is produced every six minutes, and the product record starts from February 17th 2018.
Please consult the product link for additional information. If you have any questions or concerns, contact the LAADS User Services.