Welcome to the National Snow and Ice Data Center

Advancing knowledge of Earth's frozen regions since 1976

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Sea ice in all types of shapes
Greenland and Antarctic Ice Sheets
skiers drop in from a cliff in Silverton, Colorado
Arctic Sea Ice News and Analysis
October 4, 2023
The Sun sets on the Arctic melt season
A few days after the annual Arctic sea ice minimum extent was reached on September 19, the sun set at the North Pole, aiding sea ice growth. Arctic sea ice extent has grown at a fairly slow pace, leading to the … Continue reading

Most recent data announcements

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.