The AMSR2 prototype sea ice concentration data are no longer available in the data set as of 1 September 2025. SSMIS-derived sea ice concentrations will continue. NSIDC is actively working on ...

B, Version 4 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated. New data have been added, and the temporal coverage now ...

Walt passed the controller and VR headset to NSIDC data support specialist Mikala Beig, who ventured further into the app’s ...

Beyond snow and ice data, the NASA NSIDC Distributed Active Archive Center (DAAC) archives and distributes soil moisture data ...

In July and August 2025, two new federal documents were released that have implications for how climate change impacts are assessed in the United States: Department of Energy (DOE) Report: A Critical ...

This post also reviews the impacts of rain on snow on the ice sheet. The daily areal extent of melting abated to near-average ...

The SnowEx23 GIS References and Field Maps, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains ...

Isolated portions of ICESat-2 Release 7 data are affected by gaps in instrument pointing estimates and degraded orbit/pointing solutions around spacecraft maneuvers. These issues can cause large ...

At the end of July 2025, daily sea ice extent in both hemispheres ranked third lowest in the 47-year satellite record. For most of the month, Arctic sea ice extent tracked close to levels recorded for ...

The international Arctic Rain on Snow Study (AROSS), led by NSIDC, focuses on the effects of a growing problem in the Arctic. With increasing frequency, rain falls on snow, refreezes, and forms an icy ...

Surface melting on the Greenland Ice Sheet is on a slightly above-average track for the 2025 melt season, with melt along the western coast leading the way. Overall, total melt-day extent as of June ...

These data sets provide daily files of brightness temperature data and sea ice concentrations for both the Northern and Southern Hemispheres. These data products serve as a replacement for the ...