Welcome to the National Snow and 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.
Near real-time melt maps, graphs and periodic analyses of the Greenland Ice Sheet melt season and Antarctic Ice Sheet melt season.
Arctic Sea Ice News and Analysis
December 5, 2023
A brief winter pause
While autumn sea ice growth is in full swing, brief pauses are not unusual. Starting November 22, the ice growth stalled almost completely for five days as a series of storms guided an atmospheric river into the Arctic, transporting warm, … 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.