Articles | Volume 21, issue 8
https://doi.org/10.5194/acp-21-6347-2021
https://doi.org/10.5194/acp-21-6347-2021
Research article
 | 
27 Apr 2021
Research article |  | 27 Apr 2021

Case study of a humidity layer above Arctic stratocumulus and potential turbulent coupling with the cloud top

Ulrike Egerer, André Ehrlich, Matthias Gottschalk, Hannes Griesche, Roel A. J. Neggers, Holger Siebert, and Manfred Wendisch

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Ulrike Egerer on behalf of the Authors (09 Dec 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (11 Dec 2020) by Radovan Krejci
RR by Anonymous Referee #1 (03 Jan 2021)
ED: Reconsider after major revisions (27 Jan 2021) by Radovan Krejci
AR by Ulrike Egerer on behalf of the Authors (10 Mar 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (22 Mar 2021) by Radovan Krejci
AR by Ulrike Egerer on behalf of the Authors (22 Mar 2021)  Manuscript 
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Short summary
This paper describes a case study of a three-day period with a persistent humidity inversion above a mixed-phase cloud layer in the Arctic. It is based on measurements with a tethered balloon, complemented with results from a dedicated high-resolution large-eddy simulation. Both methods show that the humidity layer acts to provide moisture to the cloud layer through downward turbulent transport. This supply of additional moisture can contribute to the persistence of Arctic clouds.
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