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 ...

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 ...

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 ...

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 ...

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 ...

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, ...