A stretched Polar Vortex and North American and Eastern Asian Cold-Air Events during January/February 2025

• James Overland ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Writing – original draft, Writing – review & editing

  * E-mail: james.e.overland@noaa.gov

  Affiliation Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle Washington, United States of America

  https://orcid.org/0000-0002-2012-8832

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• Varunesh Chandra,

  Roles Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliations Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle Washington, United States of America, Cooperative Institute for Climate, Ocean and Ecosystems Studies, University of Washington, Seattle Washington, United States of America

  https://orcid.org/0000-0002-2380-0292

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• Baek-Min Kim,

  Roles Conceptualization, Formal analysis, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation Division of Earth and Environmental System Science, Pukyong National University, Pusan, Korea

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• Muyin Wang,

  Roles Formal analysis, Investigation, Writing – review & editing

  Affiliations Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle Washington, United States of America, Cooperative Institute for Climate, Ocean and Ecosystems Studies, University of Washington, Seattle Washington, United States of America

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• Hoyoung Ku,

  Roles Formal analysis, Investigation, Methodology, Writing – review & editing

  Affiliations Cooperative Institute for Climate, Ocean and Ecosystems Studies, University of Washington, Seattle Washington, United States of America, Division of Earth and Environmental System Science, Pukyong National University, Pusan, Korea

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• Edward Hanna

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Writing – original draft, Writing – review & editing

  Affiliation School of Natural Sciences, University of Lincoln, Lincoln, United Kingdom

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