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 ...

ATLAS/ICESat-2 L3B Daily and Monthly Gridded Sea Ice Freeboard, Version 5, ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly, Version 4, and ATLAS/ICESat-2 L3B ...

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 ...

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 strong and persistent melt event occurred in southern Greenland in mid-August 2025, preceded by extensive rain in the same area. Snowfall following the rain events covered the lower elevation bare ...

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 ...

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 ...

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 ...

What This Means For You: As a user of these datasets, you should anticipate a gap in data availability during the transition to alternative sources. We are actively evaluating possible alternative ...