The SnowEx23 Apr23 IOP Snow Pit Measurements, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains ...

NSIDC and the Snow Today Team are pleased to announce that the Snow Today Daily Snow Viewer web application is displaying a new version of snow properties data and New Zealand has been added as a ...

Representatives from NSIDC will be attending the American Geophysical Union (AGU) Annual Meeting 2025, either virtually or in person in New Orleans, to share their expertise in data management and ...

Use the MASIE-NH Daily Image Viewer to see where Arctic sea ice is now and how that data compares to the last four years. The data shown below is obtained nightly and comes from the most recent full ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...

During the coldest and darkest months in the Southern Hemisphere, Antarctic sea ice—uninhibited by nearby landmasses—stretches up to 2,000 kilometers (1,200 miles) away from the continent. Its total ...

The National Snow and Ice Data Center (NSIDC) is part of the Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder. Tiny valleys near the top of Antarctica ...

The Arctic ice cover plays an important role in maintaining Earth’s temperature—the shiny white ice reflects light and heat that the ocean would otherwise absorb, keeping the Northern Hemisphere cool.

Arctic sea ice extent for March set a record low in the 47-year satellite data record. Extent was below average everywhere except the East Greenland Sea. Nearly all March monthly average extents since ...

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.

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 ...