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![Windnagel digging a snow pit Windnagel digging a snow pit](/sites/default/files/styles/content_wwo_desktop/public/images/Other/photo-windnagel-snow-pit.jpg.webp?itok=qAdWArL4)
Spotlight
Ann Windnagel is a project manager at NSIDC. Her contributions span data set development, interactive applications, and research related to glaciers, sea ice, and snow. In this Q&A, she describes the many hats she has worn over the years, her biggest challenges, and her biggest rewards.
![This NASA blue marble image shows Arctic sea ice extent on March 14, 2024, when sea ice reached its maximum extent for the year. Sea ice extent for March 14 averaged 15.01 million square kilometers (5.80 million square miles), the fourteenth lowest in the satellite record. This NASA blue marble image shows Arctic sea ice extent on March 14, 2024, when sea ice reached its maximum extent for the year. Sea ice extent for March 14 averaged 15.01 million square kilometers (5.80 million square miles), the fourteenth lowest in the satellite record.](/sites/default/files/styles/content_wwo_desktop/public/images/Data/arctic_max_blue_marble_3.14.24.png.webp?itok=8puZVZ2Z)
News Release
Arctic sea ice has likely reached its maximum extent for the year, at 15.01 million square kilometers (5.80 million square miles) on March 14, according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder.
![Tokcha Khudi stands among a reindeer herd Tokcha Khudi stands among a reindeer herd](/sites/default/files/styles/content_wwo_desktop/public/images/Other/screenshot_2024-03-01_at_1.49.15_pm.png.webp?itok=XfOG_L2y)
Feature Story
The Arctic Rain on Snow Study (AROSS) project, led by the National Snow and Ice Data Center (NSIDC), funded an award-winning StoryMap called "When Rains Fell in Winter," which tells the story of a Nenets reindeer herder named Tokcha Khudi and how a catastrophic rain-on-snow event impacted his annual migration on the Yamal Peninsula in 2013.
![NASA Antarctica blue marble image 2.20.24 NASA Antarctica blue marble image 2.20.24](/sites/default/files/styles/content_wwo_desktop/public/images/Data/antarctica_blue_marble_image_2.20.png.webp?itok=lQBGy90q)
News Release
Antarctic sea ice has likely reached its minimum extent for the year, at 1.99 million square kilometers (768,000 square miles) on February 20, 2024, according to scientists at NSIDC.
![Crane Glaciers Crane Glaciers](/sites/default/files/styles/content_wwo_desktop/public/images/Aerial%20photo/craneglacier_feb2024.png.webp?itok=Zj_N6IFo)
Ice Sheet Analysis
Ice sheet surface melt on the Antarctic Peninsula abruptly dropped in mid-January and remained low through February 15. By contrast, melt day totals for the season were above average for the northern Larsen C and George VI Ice Shelves.
![Antarctic Peninsula Antarctic Peninsula](/sites/default/files/styles/content_wwo_desktop/public/images/GlennEGrant_Neumayer%20Channel_Antarctic%20Peninsula.JPG.webp?itok=ZA4NR0Wn)
Ice Sheet Analysis
With the melt season well underway in the Southern Hemisphere, several ice shelves extending from the Antarctic Ice Sheet show above average melting, with significant melting in the Antarctic Peninsula region.