Welcome to the National Snow & Ice Data Center
Advancing knowledge of Earth's frozen regions since 1976

Stay current with our expert analyses

Sea ice in all types of shapes
Greenland and Antarctic Ice Sheets
skiers drop in from a cliff in Silverton, Colorado
Greenland Ice Sheet Today
November 10, 2022
Antarctica Today coming soon
Due to the data provider’s systems maintenance, data outage from the Defense Meteorological Satellite Program (DMSP) satellites is impacting the transition to Antarctica Today. Daily melt extent mapping for the Antarctic Ice Sheet will be restart when the issue is … Continue reading

Other updates

The SMAP Level-4 Data Sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated to version 7. For all Level-4 data products
The SMAP data acquired after anomaly recovery have been determined to be high quality and consistent with the data acquired prior to the anomaly. The radiometer calibration is stable within 0.1 K and

Data management programs at NSIDC

A satellite view of Malaspina Glacier in Alaska
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.
methane bubbles frozen in lake in Canada
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.
Billy Adams observes the environment from the ice lead edge near Utqiaġvik, Alaska. This photo is part of an observation record in the AAOKH online database developed by ELOKA. Credit: Mette Kaufman
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.