The Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS, Version 4 dataset, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), ...

FOR THE PUBLIC News & Stories Learn About Snow & Ice Current Conditions & Analyses Featured Research Careers For the Media EDUCATORS/STUDENTS Current Conditions & Analyses Explore Data Help Center Our ...

Greetings, readers! Our monthly sea ice analyses are returning just in time for the September equinox. In the Arctic, the sea ice extent this summer was tracking 2012 levels until August. While ...

With the generous support of the Climate Science and Communication Fund from Surge Climate Talent, NSIDC’s Ice Sheets and Sea Ice News and Analysis (ISSINA) is able to start up monthly science ...

Arctic sea ice has likely reached its maximum extent for the year, at 14.29 million square kilometers (5.52 million square miles) on March 15, according to scientists at the National Snow and Ice Data ...

Antarctic sea ice has likely reached its minimum extent for the year, at 2.58 million square kilometers (996,000 square miles) on February 26, 2026, according to scientists at the National Snow and ...

Most of the planet’s seasonal snow cover occurs in the Northern Hemisphere, although isolated areas of snow cover exist south of Earth’s equator and outside of Antarctica. Since continuous satellite ...

A snow drought has gripped the US West, according to report from January 8, 2025, by NIDIS. Snow-covered area in January across the western United States was 66 percent below average, at 401,000 ...

Version 4 of MEaSUREs BedMachine Antarctica is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains a bed topography and ...

Explorers have dreamed of trade shortcuts across the Arctic Ocean for centuries. That shortcut was more easily imagined than achieved, thanks to Arctic weather, polar darkness, and near-constant sea ...

Beginning October 15, 2025, NSIDC’s Sea Ice Today services will be reduced because of non-renewed funding. This means no new monthly and mid-month analysis posts ...

Antarctic sea ice has likely reached its maximum extent for the year, at 17.81 million square kilometers (6.88 million square miles) on September 17, according to scientists at the National Snow and ...