Note: To select a different data set, close this window (or tab) and navigate to the data set landing page you want. This enhanced Level-3 (L3) soil moisture product provides a composite of daily ...

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).

The Arctic Report Card, supported by the National Oceanic and Atmospheric Administration (NOAA), is an annual, peer-reviewed snapshot of environmental conditions north of 60°N. Topics range from air ...

Arctic sea ice has likely reached its maximum extent for the year, at 14.29 million square kilometers (5.52 million square miles) on March 15, according to scientists at the National Snow and Ice Data ...

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 ...

A snow drought has gripped the US West, according to report from January 8, 2025, by NIDIS. Snow-covered area in January across the western United States was 66 percent below average, at 401,000 ...

Explorers have dreamed of trade shortcuts across the Arctic Ocean for centuries. That shortcut was more easily imagined than achieved, thanks to Arctic weather, polar darkness, and near-constant sea ...

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 ...

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 ...

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 ...

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 ...