Welcome to the National Snow and 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.
Ice Sheets Today
Near real-time melt maps, graphs and periodic analyses during the Greenland Ice Sheet melt season and periodic data images and analyses during the Antarctic Ice Sheet melt season.
Snow Today
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.
Arctic Sea Ice News and Analysis
March 25, 2024
Arctic sea ice reaches a below-average maximum
Arctic sea ice has likely reached its maximum extent for the year, at 15.01 million square kilometers (5.80 million square miles) on March 14. The 2024 maximum is the fourteenth lowest in the 46-year satellite record. Overview of conditions On … Continue reading
Featured news & stories
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Data, research & analysis updates
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.