The MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry, Version 2 (NSIDC-0498), and the MEaSUREs Grounding Zone of the Antarctic Ice Sheet, Version 1 (NSIDC-0778) data ...
The SnowEx23 Airborne Orthoimagery, Version 1 (SNEX23_Photo) and SnowEx23 Mar23 IOP Computed Tomography Snow Microstructure, Version 1 (SNEX23_MAR23_CTSM) data sets are now available at the NASA ...
If Northern Hemisphere snow cover keeps reaching the same general highs and lows year after year, that reinforces climate stability. If snow cover instead changes over the long term, the change nudges ...
Monthly GPS Surface Elevation Data at Summit Station, Greenland, Version 1 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set ...
When the NASA Ice, Cloud, and land Elevation Satellite-2 launched in late 2018, it brought high-resolution data to a new level. The Advanced Topographic Laser Altimeter System (ATLAS) on the satellite ...
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 17, Antarctic sea ice likely reached its annual maximum extent of 17.81 million square kilometers (6.88 million square miles). The 2025 maximum is the third lowest in the 47-year ...
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 ...
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 ...
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 ...
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