News & Stories

Across the globe, snow and ice play a vital role in regulating Earth’s climate and providing freshwater resources to people, plants, and animals.

As Earth’s frozen regions change rapidly, NSIDC is committed to growing its research and open access data to better understand these changes. Read about NSIDC research and its contribution to science and policy making. Check out spotlights on how to use NSIDC data, tools, and resources. Learn about how we steward data and collaborate with scientists and organizations across the world to understand how the frozen parts of Earth affect the rest of the planet and impact society.

News and stories

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California snow-covered area graph
Analysis - Snow Today
January 2021 was the lowest in the 21-year satellite record for average snow-covered area and snow cover days in the western United States. In late January, an atmospheric river brought large increases in snow cover and snow water equivalent in California.
Analysis - Sea Ice Today

Arctic sea ice extent for January 2021 tracked below average, with the monthly average finishing sixth lowest in the satellite record.

Snow cover anomaly map
Analysis - Snow Today
December snow-covered area and snow cover days in the western United States were below average compared to the previous 20 years. Storms in mid-December bolstered the snow-covered area but not enough to bring it close to the December average.