Articles | Volume 20, issue 8
https://doi.org/10.5194/tc-20-4421-2026
https://doi.org/10.5194/tc-20-4421-2026
Research article
 | 
14 Aug 2026
Research article |  | 14 Aug 2026

Anatomy and impact of a high Arctic atmospheric river driving extreme winter rain and snowfall

Hannah Bailey, Jason E. Box, Ben G. Kopec, Valtteri Hyöky, Hannu Marttila, Jeffrey M. Welker, Jack Kohler, Dmitry V. Divine, and Alun Hubbard

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Short summary
Atmospheric rivers (ARs) are narrow corridors of intense heat and moisture that can deliver extreme weather to the Arctic. We investigate a record March 2022 event in Svalbard using measurements of air and precipitation to track its origin and evolution. While the AR brought unusual winter rain and snow melt, it also delivered substantial snowfall that partially offset glacier mass loss. These findings show that the impacts of ARs on Arctic glaciers are more complex than typically reported.
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