Winter storm Ulmer

A car ventures out in the polar vortex on January 30, 2019. Photo: Down Dickerson/Flickr

US Winter 2018-2019: Bomb Cyclones, Arctic Outbreaks, Abundant Snowfall, Flooding, and an Unseasonably Warm Alaska

, senior climate scientist

Winter is still very much a part of a warming world and this past season was characterized by the changing behavior of the most unwelcome parts of any season: extreme weather. Read more >

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