NOAA@NSIDC
Stewards of data, past and present
NOAA@NSIDC preserves data over the long term to support current and future research. Data products serve scientists engaged in research, decision makers planning activities affected by snow and ice, and members of the general public curious about the cryosphere.
Featured Data and Resources
Sea Ice Index Daily and Monthly Image Viewer
See daily and monthly images of Arctic and Antarctic sea ice extent and concentration. You can also compare trends and anomalies, and create animations.
Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH)
See where Arctic sea ice is now and how that data compares to the last four years. Data updates occur nightly.
Glacier Photograph Collection
Explore an online, searchable collection of photographs of glaciers, mostly taken in the Rocky Mountains, the Pacific Northwest, Alaska, and Greenland. Dates of the photos range from the mid-1800s to the present.
International Ice Charting Working Group (IICWG)
Formed in October 1999, IICWG is a working group of the world’s national ice services that promotes coordination of operational sea ice and iceberg information service.
EWG Atlases Data
This NOAA@NSIDC data collection includes observations of Arctic ocean and sea ice characteristics, as well as Arctic weather and climate from the 1950s through the mid-1990s.
Seasonal Antarctic Sea Ice Extent Reconstructions, 1905-2020
Reconstructed seasonal Antarctic sea ice extent with uncertainty estimates and metadata. The data are given by season for five geographic sectors as well as for the entire Antarctic.