National Snow and Ice Data Center

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NOAA@NSIDC’s Sea Ice Index offers easy visualization of daily and monthly extents, concentrations, anomalies, and trends. All you need is your web browser. nsidc.org/data/seaice_in…

Sea ice ridging occurs when wind, ocean currents, and other forces push sea ice into piles that rise and form mounds above the level surface. Visit the NSIDC Cryosphere Glossary to discover more unique terms describing our frozen world. nsidc.org/learn/cryosphe…

NASA’s Earthdata Cloud supports efficiency and collaboration, enabling new methods of data analysis and distribution while preserving most existing analysis and distribution methods for NASA NSIDC Distributed Active Archive Center (DAAC) data. nsidc.org/data/earthdata…

An extreme heatwave with highs well above 90°F is brewing across the US West. Combined with this year’s record low snowpack, forecasters worry about water supply amidst an extended fire season. To view snow conditions in your area, see NSIDC’s Snow Today: nsidc.org/snow-today/sno…

MODIS sensors have operated successfully since the Terra and Aqua satellites launched, so this continuous, consistent data record now spans a quarter of a century. Find MODIS snow and ice products at the NASA NSIDC Distributed Active Archive Center (DAAC). nsidc.org/data/modis

The NSIDC DAAC Advanced Microwave Scanning Radiometer Unified (AMSR Unified) collection covers data from 2002 for brightness temp, sea ice concentration/motion, precipitation, snow depth, snow water equivalent, soil moisture, and vegetation water content. nsidc.org/data/amsru

Watch a short video about one of NSIDC's programs: The Exchange for Local Observations and Knowledge of the Arctic (ELOKA). Learn about how ELOKA works with Arctic partners to preserve Indigenous Knowledge while facing drastic changes in the region. bit.ly/4unFJqJ

The NASA NSIDC Distributed Active Archive Center has released two new Soil Moisture Active Passive (SMAP) data sets derived from the Tropical Rainfall Measuring Mission and the Earth Remote Sensing satellite series. bit.ly/4cESTsT

Did you know NSIDC hosts three programs: NOAA@NSIDC, the NASA NSIDC Distributed Active Archive Center (DAAC), and the Exchange for Local Observations and Knowledge of the Arctic (ELOKA)? Stay current by signing up for our newsletter: eepurl.com/idIjvL

What color is snow? Check out the answer to this question and other popular snow questions on NSIDC's Learn About the Cryosphere pages. bit.ly/4bdgEpu

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, ranking sixteenth lowest in the 48-year satellite record. bit.ly/4bfT7EA

The Cooperative Institute for Earth System Research and Data Science (CIESRDS), a partner of CU Boulder and NOAA, helps advance Earth system research and data science in areas critical to public safety, environmental resilience, and scientific innovation. bit.ly/40IQJkD

Season 8 of Energy Switch will air on the PBS app and on PBS.org (pbs.org/show/energy-sw…) on April 1! Watch NSIDC's senior researcher Twila Moon discuss the effects of a rapidly changing Arctic during episode 6. Check with your local station for broadcast dates.

Get to know a little about Mark Serreze, director of NSIDC, with this short Q&A from NSIDC's parent organization, CIRES: cires.colorado.edu/news/humans-ci…

Snow-covered area across the western United States was 38 percent of average for February, ranking last in the 26-year satellite record. The is the second month in a row to reach a record low. Read more from NSIDC's Snow Today: bit.ly/4sjIkQs

Can you drink melted sea ice? Read the answer to this sea ice question and others on NSIDC's Learn pages. bit.ly/4aOCK2D

Use the NOAA@NSIDC MASIE-NH Daily Image Viewer to see where Arctic sea ice is now and how that data compares to the last four years. nsidc.org/data/masie

Researchers from the US and the UK have discovered a way to accurately predict Arctic sea ice patterns in real time using NSIDC sea ice data from 1978 to present. Get Sea Ice Index data: bit.ly/4rC92nn Article: bit.ly/4b5NZ5T

The sheer volume of data coming from NASA satellites call for new approaches to managing vast archives of data. The NASA NSIDC Distributed Active Archive Center (DAAC) is adaption through Openscapes. bit.ly/4cXUrhz

Released in January 2026, the ATLAS/ICESat-2 ATL02 Linear Impulse Response data set is now available from the NASA NSIDC DAAC. This new data set supports modeling surface and sub-surface scattering, and correcting for instrument effects. bit.ly/4s9y90M