Welcome to the National Snow & Ice Data Center
Advancing knowledge of Earth's frozen regions since 1976
Stay current with our expert analyses
Arctic Sea Ice News & Analysis (ASINA)
Near real-time data and monthly analysis on how Arctic and Antarctic sea ice is changing and what conditions may be playing a role.
Greenland and Antarctic Ice Sheets Today
Daily data images and periodic analyses of melt conditions on the Greenland Ice Sheet and Antarctic Ice Sheet
Monthly analyses and daily data images of snow conditions in near-real time across the Western US using a combination of satellite data and surface observations.
May 10, 2023
What snow builds up must meltdown
Snow-covered area for the western United States hit another record for April, the second month in a row since the satellite record began in 2001. With longer days, more sun, and increasing temperatures in the coming months, concerns arise for how quickly the snowpack may melt in California with potential for flood risks.
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Most recent data announcements
Data management programs at NSIDC
NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)
Open access cryosphere and related geophysical data from NASA Earth-observing satellite missions, airborne campaigns, and field observations.
National Oceanic and Atmospheric Administration (NOAA) at NSIDC
A NOAA-funded program providing open access data from satellites, field instruments, weather stations, historical records, and rescued data.
Exchange for Local Observations and Knowledge of the Arctic (ELOKA): Data Curation for Indigenous Communities
Working with Indigenous communities in the Arctic to preserve and promote their data and knowledge for use in scientific studies.