Articles | Volume 4, issue 3
https://doi.org/10.5194/wcd-4-617-2023
https://doi.org/10.5194/wcd-4-617-2023
Research article
 | 
18 Jul 2023
Research article |  | 18 Jul 2023

The role of boundary layer processes in summer-time Arctic cyclones

Hannah L. Croad, John Methven, Ben Harvey, Sarah P. E. Keeley, and Ambrogio Volonté

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Latest update: 13 Dec 2024
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Short summary
The interaction between Arctic cyclones and the sea ice surface in summer is investigated by analysing the friction and sensible heat flux processes acting in two cyclones with contrasting evolution. The major finding is that the effects of friction on cyclone strength are dependent on a particular feature of cyclone structure: whether they have a warm or cold core during growth. Friction leads to cooling within both cyclone types in the lower atmosphere, which may contribute to their longevity.