The SnowEx 2020 Reynolds Creek Experimental Watershed Snow Products, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).

Snow-covered area averaged across the western United States was 34 percent of average for March, ranking last in the 26-year ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

Arctic sea ice extent tracked at near-record low levels through much of June, hitting daily record low levels from June 20 to 26. Sea ice coverage was particularly low in the Barents and Kara Seas, ...

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 ...