Classification of North Atlantic and European extratropical cyclones using multiple measures of intensity

Cornér, Joona; Bouvier, Clément; Doiteau, Benjamin; Pantillon, Florian; Sinclair, Victoria A.

doi:https://doi.org/10.5194/nhess-25-207-2025

Articles | Volume 25, issue 1

https://doi.org/10.5194/nhess-25-207-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/nhess-25-207-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 1

Research article

|

13 Jan 2025

Research article |

| 13 Jan 2025

Classification of North Atlantic and European extratropical cyclones using multiple measures of intensity

Joona Cornér, Clément Bouvier, Benjamin Doiteau, Florian Pantillon, and Victoria A. Sinclair

Supplement

https://doi.org/10.5194/nhess-25-207-2025-supplement

Data sets

Classification of North Atlantic and European extratropical cyclones using multiple measures of intensity: Data and Python code J. Cornér et al. https://doi.org/10.5281/zenodo.11384417

Complete ERA5 from 1940: Fifth generation of ECMWF atmospheric reanalyses of the global climate H. Hersbach et al. https://doi.org/10.24381/cds.143582cf

Model code and software

Classification of North Atlantic and European extratropical cyclones using multiple measures of intensity: Data and Python code J. Cornér et al. https://doi.org/10.5281/zenodo.11384417

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Short summary

Classification reduces the considerable variability between extratropical cyclones (ETCs) and thus simplifies studying their representation in climate models and changes in the future climate. In this paper we present an objective classification of ETCs using measures of ETC intensity. This is motivated by the aim of finding a set of ETC intensity measures which together comprehensively describe both the dynamical and impact-relevant nature of ETC intensity.