Welcome to the National Snow & Ice Data Center
Advancing knowledge of Earth's frozen regions since 1976
Stay current with our expert analyses
Near real-time data and monthly analysis on how Arctic and Antarctic sea ice is changing and what conditions may be playing a role.
Daily data images and periodic analyses of melt conditions on the Greenland Ice Sheet and Antarctic Ice Sheet
Arctic Sea Ice News and Analysis
September 14, 2023
Rounding the curve
Both Arctic and Antarctic sea ice appear to be heading toward their respective seasonal limits, reaching the lowest extent at the end of summer in the north, and the highest extent as winter ends in the south. In the Antarctic, … Continue reading
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Data management programs at NSIDC
Open access cryosphere and related geophysical data from NASA Earth-observing satellite missions, airborne campaigns, and field observations.
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.