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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Analysis - Sea Ice Today

The seasonal decline of Arctic sea ice extent proceeded at a near-average pace in May. Extent did not approach record lows but remained well below the 1981 to 2010 average.

Snow-percentage graphs for study sites
Analysis - Snow Today
Snow-covered area and snow cover days were near average in April 2020. Snow-covered area continued to decline in April 2020 but was bolstered by storms in California in early April and in Colorado in late April.
Analysis - Sea Ice Today

The pace of sea ice decline in April was near average, while sea ice extent ranked fourth lowest in the satellite record.

SWE probability map
Analysis - Snow Today
April 1 is historically viewed as nearing the maximum Snow Water Equivalent (SWE). The Rockies show less than a 50 percent probability of reaching maximum SWE in March while the Sierra Nevada, Arizona, New Mexico...
Analysis - Sea Ice Today

After reaching its annual maximum on March 5, Arctic sea ice extent remained stable for several days before it started clearly declining. Continuing the pattern of this past winter, the Arctic Oscillation was in a persistently positive phase.