For further information, please see our Please note that gaps in the DMSP SSMIS data, which began in late spring of 2025 when the DoD deprioritized SSMIS data processing, may continue through the end ...

The following data set will continue to provide SSMIS data, along with AMSR2 data: ...

All NSIDC DAAC data, including SMAP data sets, in NASA Earthdata Cloud can be accessed via HTTPS through https://cmr.earthdata.nasa.gov/search/site/collections/directory/NSIDC_CPRD/gov.nasa.eosdis .

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The international Arctic Rain on Snow Study (AROSS), led by NSIDC, focuses on the effects of a growing problem in the Arctic. With increasing frequency, rain falls on snow, refreezes, and forms an icy ...

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 through forward processing. Input ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the 1981 to 2010 average for total melt-day extent (Figure 1a). Through July 20, ...

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 ...

Update: DMSP SSMIS data processing has been extended through 31 July 2025. See the Earthdata: Status Update on DMSP Data Products for further details. The NASA National Snow and Ice Data Center ...

May sea ice extent in the Arctic averaged 12.56 million square kilometers (4.85 million square miles), tying with 2004 for seventh lowest on the 47-year satellite record. Antarctic sea ice extent for ...

The next NASA ESDIS data training webinar, “Accelerating Scientific Discovery through Exploratory and Open Data Access via OPeNDAP in the Cloud” will be held on Wednesday, April 23, 2025, at 2 PM EDT ...