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The NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce that the OpenAltimetry web application has been updated to serve Version 7 of the ATLAS ...

Radiostratigraphy and Age Structure of the Greenland Ice Sheet, Version 2 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set ...

The SnowEx20 Time Series Snow Change Measurements from Interval Boards, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) ...

Effective October 15, 2025, due to non-renewed funding, NSIDC has suspended or reduced several Sea Ice Today tools and services. Previously-published Sea Ice Today analysis posts will remain online.

Effective October 15, 2025, due to non-renewed funding, NSIDC will suspend and reduce several Ice Sheets Today tools and services. Previously-published Ice Sheets Today analysis posts will remain ...

Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly and mid-month analysis posts ...

Antarctic sea ice has likely reached its maximum extent for the year, at 17.81 million square kilometers (6.88 million square miles) on September 17, according to scientists at the National Snow and ...

On September 10, Arctic sea ice likely reached its annual minimum extent of 4.60 million square kilometers (1.78 million square miles). The 2025 minimum shares the tenth lowest spot in the nearly ...

Throughout August 2025, sea ice rapidly melted and compacted north of Alaska in the Beaufort Sea, initiated by a warm pulse of air from east Siberia that was sustained by persistent winds from the ...

A strong and persistent melt event occurred in southern Greenland in mid-August 2025, preceded by extensive rain in the same area. Snowfall following the rain events covered the lower elevation bare ...

NOAA@NSIDC is pleased to announce the release of Sea Ice Index, Version 4. This new version uses input data from the JAXA GCOM-W1 AMSR2 instrument for 1 January 2025 ...