Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 4, issue 1
Articles | Volume 4, issue 1
https://doi.org/10.5194/wcd-4-49-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-4-49-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 4, issue 1
Research article
 | 
12 Jan 2023
Research article |  | 12 Jan 2023

Robust poleward jet shifts in idealised baroclinic-wave life-cycle experiments with noisy initial conditions

Felix Jäger, Philip Rupp, and Thomas Birner

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Short summary
Mid-latitude weather is dominated by the growth, breaking and decay of baroclinic waves and associated jet shifts. A way to study this process is via idealised life-cycle simulations, which are often classified as LC1 (anticyclonic breaking, poleward shift) or LC2 (cyclonic breaking, equatorward shift), depending on details of the initial state. We show that all systems exhibit predominantly anticyclonic character and poleward net shifts if multiple wave modes are allowed to grow simultaneously.
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