Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 6, issue 4
Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1299-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-6-1299-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 4
Research article
 | 
04 Nov 2025
Research article |  | 04 Nov 2025

Response of Northern Hemisphere Rossby wave breaking to changes in sea surface temperature and sea ice cover

Sara Tahvonen, Daniel Köhler, Petri Räisänen, and Victoria A. Sinclair

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Short summary
Rossby wave breaking (RWB) influences weather at a large scale and can contribute to extreme weather events, but it is not known if climate change will have an effect on where and how often RWB occurs. We investigate how extreme sea ice loss and warming of the sea surface effect RWB. Our results show that sea surface temperatures significantly change local RWB frequencies and the closely related upper atmospheric jet streams, but that sea ice changes have no noticeable effect in our experiments.
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