For further information, please see our The data sets using SSMIS for input: AMSR2 prototype sea ice concentration has been incorporated into the latest version of the Near-Real-Time NOAA/NSIDC ...

Recent delivery from the US Navy of the SSMIS passive microwave data that several sea ice and brightness temperature products use has become more sporadic. The Defense Department has informed NSIDC ...

Snow albedo, also known as snow brightness, started near average in early May and then rapidly decreased until storms in the ...

The National Snow and Ice Data Center (NSIDC) is pleased to announce the publication of two new data sets, the Near Real-Time MODIS/Terra L3 Global Daily 500m SIN ...

Access to ICESat-2 data sets in the legacy, on-premises archive at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired on July 15, 2025. The NASA ...

NOAA@NSIDC is pleased to announce the release of the International Ice Patrol Annual North Atlantic Iceberg Summaries and Reports, Version 1 data set. This data set ...

Access to SnowEx, ASO, and Nimbus data sets in the legacy, on-premises archive at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired on 24 June ...

The satellite record on sea ice dates back to late October 1978. The National Snow and Ice Data Center (NSIDC) tracks and reports sea ice extent—area of ocean with at least 15 percent sea ice ...

Arctic sea ice extent through most of April changed very little. Only at the end of the month did extent begin to decline. Because the month started with unusually low extent, however, the average ...

Effective May 5, 2025, NOAA’s National Centers for Environmental Information (NCEI) will decommission its snow and ice data products from the Coasts, Oceans, and Geophysics Science Division (COGS). As ...

Arctic sea ice extent for March set a record low in the 47-year satellite data record. Extent was below average everywhere except the East Greenland Sea. Nearly all March monthly average extents since ...