Scientific Analyses
As the frozen parts of our planet face rapid and unprecedented change, NSIDC has been sharing how and why its key features are changing. These analyses are easy to read, published regularly, and describe current cryospheric conditions, along with local and global implications. NSIDC produces Sea Ice Today, Ice Sheets Today, and Snow Today, targeting a wide audience of educators, scientists, stakeholders, policymakers, journalists, and the general public.
Explore our Analysis sites
Sea Ice Today
Near-real-time data and monthly analysis on how Arctic and Antarctic sea ice is changing and what conditions may be playing a role—formerly known as Arctic Sea Ice News and Analysis (ASINA)
Ice Sheets Today
Near-real-time melt maps, graphs, and periodic analyses during the Greenland Ice Sheet melt season and periodic data images and analyses during the Antarctic Ice Sheet melt season
Snow Today
Monthly analyses and daily data images of snow conditions in near-real time across the Western United States using a combination of satellite data and surface observations