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 of the Greenland Ice Sheet melt season and 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
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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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.