On Wednesday, April 24, from 9:00 a.m. to 2:30 p.m. (US Mountain Time), the following data collections may not be available due to planned system maintenance: ASO, AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, Nimbus, SMAP, SnowEx, SSM/I-SSMIS and VIIRS.
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
Visible Infrared Imaging Radiometer Suite
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Data Announcements
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Visible Infrared Imaging Radiometer Suite (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
All Terra- and Aqua-MODIS forward-processing was resumed on July 31, 2023, and the SNPP- and JPSS1-VIIRS forward-processing was resume on August 1, 2023. NSIDC is currently working to ingest the
On July 26, 2023, at approximately 01:56 UTC, the SNPP spacecraft and all onboard instruments (including VIIRS) entered safe mode, pausing data collection. The SNPP VIIRS instrument was returned to
On July 26, 2023, at approximately 01:56 UTC, the SNPP spacecraft and all onboard instruments (including VIIRS) entered safe mode, pausing collection. All instruments are currently in a non-nominal
Please note that all MODIS and VIIRS processing is currently on hold, due to a system wide backend issue that has affected all operations, beginning on Friday, July 21, 2023. An estimated timeline to