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Daily maps, charts, and animations show the extent of snow and ice over the contiguous United States, Alaska, or the whole Northern Hemisphere. You can explore sequences of images to see how snow and ice cover grow and shrink over a year or change from decade to decade.
- Climate Change
Map of April–June snow cover trends across the Northern...
- Climate Change
11 gru 2020 · U.S. and Northern Hemisphere Snow Cover. Snow cover extent in the U.S. and the rest of the Northern Hemisphere is mapped from satellite observations. Current and recent snow-cover graphics are available here.
These snow cover maps are made from observations collected by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. Snow cover values range from medium blue (greater than 0 percent) to white (100 percent).
Check out the Snow Viewer Guide to see current known data issues and to learn how the the Snow Viewer works. We also plan to add more regions and variables over the coming weeks. For data access, visit the About page for instructions on how to download individual data files.
1 dzień temu · GOES Image Viewer. Click on a region to view images and animations for that region. Coverage area depictions are approximate.
The Interactive Multisensor Snow and Ice Mapping System (IMS) daily analysis of snow and ice produces a series of charts the cover specific regions in the Northern Hemisphere along with a chart covering the entire hemisphere.
27 kwi 2012 · The Climate Prediction Center (CPC) produces maps, graphs, and data for weekly and monthly snow cover in the Northern Hemisphere based on satellite data as well as daily snow depth and snowfall (most recent 7 days) data files for the Nation.
