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On the Systematic O...
On the Systematic Occurrence of Compound Cold Spells in North America and Wet or Windy Extremes in Europe
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- Messori, Gabriele (author)
- Uppsala universitet,Stockholms universitet,Meteorologiska institutionen (MISU),Bolincentret för klimatforskning (tills m KTH & SMHI),Uppsala University, Sweden,Luft-, vatten- och landskapslära,Ctr Nat Hazards & Disaster Sci CNDS, Uppsala, Sweden; Stockholm Univ, Dept Meteorol, Stockholm, Sweden; Stockholm Univ, Bolin Ctr Climate Res, Stockholm, Sweden
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- Faranda, Davide (author)
- Univ Paris Saclay, Lab Sci Climat & Environm, LSCE IPSL, CEA CNRS UVSQ, Saclay, France.;London Math Lab, London, England.;PSL Res Univ, Sorbonne Univ, Ecole Normale Super, Ecole Polytech,IP Paris,Lab Meteorol Dynam IPSL, Paris, France.
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(creator_code:org_t)
- American Geophysical Union (AGU), 2023
- 2023
- English.
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In: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 50:7
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Abstract
Subject headings
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- The repeated co-occurrence of cold spells over Eastern North America and wet or windy extremes over Western Continental Europe during recent winters, has led to hypothesize a link between the two. Here, we analyze the interplay between the large-scale atmospheric circulation and co-occurring cold spells in North America and wet or windy extremes in Europe. We collectively term these occurrences compound cold–wet–windy extremes. We leverage a recent approach grounded in dynamical systems theory, which provides an analytically and computationally efficient analysis of spatially resolved, multivariate climate extremes. We find that there are specific, recurrent large-scale atmospheric circulation patterns systematically associated with both the individual extremes and co-occurring cold–wet–windy anomalies. Evidence for this is also found when focusing on compound cold–wet–windy extremes, although with a weaker signal. This motivates further analyses focusing specifically on the statistics and drivers of these compound extreme occurrences.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Keyword
- compound climate extremes
- dynamical systems theory
- cold spells
- windstorms
- precipitation
Publication and Content Type
- ref (subject category)
- art (subject category)
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