All SNPP VIIRS forward processing has been temporarily suspended due to a GPS anomaly issue that began on July 9, 2024. An attempt to restore nominal conditions is expected within the next week. However, data may still be held for additional testing and quality assurance before public release. For more details, users may also refer to the VIIRS alerts posted here.
VIIRS Version 1 (Collection 1) snow and sea ice data sets will cease forward processing on June 17, 2024. The Version 1 data will remain available for download, but users are encouraged to transition to VIIRS Version 2. VIIRS Version 2 includes new snow, sea ice, and ice surface temperature data sets from both the NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite and the National Oceanic and Atmospheric Administration-20 (NOAA-20) satellite.
![VIIRS Logo VIIRS Logo](/sites/default/files/styles/hero_logo_image_style/public/images/Logo/nasa-logo-web-rgb_0.png.webp?itok=T3Dxt5bL)
VIIRS
Visible Infrared Imaging Radiometer Suite
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Data Announcements
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Data Announcement
VIIRS Collection 2 (Version 2 ) will be available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) in the coming weeks. Collection 2 will include new and
Data Announcement
The VIIRS instrument was returned to operational mode on 10 August 2022 and data are now available from 11 August 2022 onward. There may be gaps until the reprocessing is complete and all data lost
Data Announcement
Update: SNPP spacecraft/VIIRS instrument in Safe Mode July 26 - August 9, 2022
Data Announcement
NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce its participation in NASA’s Earthdata Forum. Earthdata Forum provides a central online
Data Announcement
A recording of the NASA Earthdata webinar, Let It Snow! Accessing and Analyzing Snow Data at the NSIDC DAAC, is now available on YouTube . The NASA National Snow and Ice Data Center Distributed Active