Snow albedo, also known as snow brightness, moderated by snow age and dust, declined throughout the month and remained below ...

Antarctic sea ice has likely reached its minimum extent for the year, at 2.58 million square kilometers (996,000 square miles) on February 26, 2026, according to scientists at the National Snow and ...

IceBridge BedMachine Greenland, Version 6 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains a bed topography and ...

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 ...

Arctic sea ice has likely reached its minimum extent for the year, at 4.60 million square kilometers (1.78 million square miles) on September 10, 2025, according to scientists at the National Snow and ...

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 ...

Versions 7 of ATLAS/ICESat-2 L2A Normalized Relative Backscatter Profiles (ATL04), ATLAS/ICESat-2 L3A Land Ice Height (ATL06), ATLAS/ICESat-2 L3A Land and Vegetation Height (ATL08), ATLAS/ICESat-2 L3A ...

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 ...

A moderately intense melt season for the Greenland Ice Sheet has continued in July, with an extended period of high temperatures and coastal melting in mid-July. Temperatures at Summit closely ...

Much like a conveyer belt, an atmospheric river transports moisture from the tropical and subtropical oceans and dumps it as rain or snow in cooler regions. These long, narrow bands of concentrated ...

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 ...