For further information, please see our Please note that gaps in the DMSP SSMIS data, which began in late spring of 2025 when the DoD deprioritized SSMIS data processing, may continue through the end ...

The following data set will continue to provide SSMIS data, along with AMSR2 data: ...

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NOAA@NSIDC is pleased to announce the upcoming release of Sea Ice Index, Version 4, available at the National Snow and Ice Data Center on August 1. This new version transitions from SSMIS to AMSR2 ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the ...

Version 2 of MEaSUREs ITS_LIVE Regional Glacier and Ice Sheet Surface Velocities is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This new ...

ICESat-2 Derived Canopy Height Model, Version 1 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set provides a regression-based ...

The SnowEx21 Prairie Station Digital Surface Models from UAV-LiDAR, Version 1 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been ...

After retirement, these data sets will no longer be accessible, though all documentation will remain available on the data set web pages for reference. We recommend using the latest versions: ...

The Near Real-time SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 105, and Near Real-time SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 107 data ...