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
Snow Today
May 10, 2023
What snow builds up must meltdown
Snow-covered area for the western United States hit another record for April, the second month in a row since the satellite record began in 2001. With longer days, more sun, and increasing temperatures in the coming months, concerns arise for how quickly the snowpack may melt in California with potential for flood risks.

Most recent data announcements

NOAA@NSIDC is pleased to announce that the Sea Ice Index, Version 3 data set accessible through the National Snow and Ice Data Center (NSIDC), has been updated from near-real-time data to final data

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.