Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/wcd-7-805-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-7-805-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 2
Research article
 | 
19 May 2026
Research article |  | 19 May 2026

A cyclone phase space dedicated to extratropical cyclones

Myriam Besson, Gwendal Rivière, and Sébastien Fromang

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Short summary
Extratropical cyclones are key weather features that often lead to strong wind and precipitations. We focus on those formed in the northern midlatitudes through the prism of their core temperature, thermal asymmetry and baroclinic growth rate. With these variables is built a new cyclone phase space that allows a distinction between warm-core cyclones, that fit with the classical baroclinic wave models and are the most common in the midlatitudes, and cold-core cyclones, that are more intriguing.
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