Researchers have now mapped exactly where in the Western U.S. snow mass has declined since 1982. The research team mapped the changes in snow mass from 1982 to 2016 onto a grid of squares 2.5-miles on a side over the entire contiguous U.S.

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Researchers have now mapped exactly where in the Western U.S. snow mass has declined since 1982. The research team mapped the changes in snow mass from 1982 to 2016 onto a grid of squares 2.5-miles on a side over the entire contiguous U.S.