What controls the formation of nocturnal low-level stratus clouds over southern West Africa during the monsoon season?

Babić, Karmen; Kalthoff, Norbert; Adler, Bianca; Quinting, Julian F.; Lohou, Fabienne; Dione, Cheikh; Lothon, Marie

doi:https://doi.org/10.5194/acp-19-13489-2019

Articles | Volume 19, issue 21

https://doi.org/10.5194/acp-19-13489-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Results of the project "Dynamics–aerosol–chemistry–cloud...

https://doi.org/10.5194/acp-19-13489-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 21

Research article

|

05 Nov 2019

Research article |

| 05 Nov 2019

What controls the formation of nocturnal low-level stratus clouds over southern West Africa during the monsoon season?

Karmen Babić, Norbert Kalthoff, Bianca Adler, Julian F. Quinting, Fabienne Lohou, Cheikh Dione, and Marie Lothon

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Final revised paper (published on 05 Nov 2019)
Preprint (discussion started on 07 Jun 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Babic et al.', Anonymous Referee #1, 06 Jul 2019
RC2: 'Review Babic ACP', Anonymous Referee #2, 15 Jul 2019
AC1: 'Response to referee comments', Karmen Babić, 09 Sep 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Karmen Babić on behalf of the Authors (09 Sep 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (17 Sep 2019) by Ademe Mekonnen

RR by Anonymous Referee #2 (24 Sep 2019)

RR by Anonymous Referee #1 (30 Sep 2019)

ED: Publish as is (08 Oct 2019) by Ademe Mekonnen

AR by Karmen Babić on behalf of the Authors (09 Oct 2019) Manuscript

Short summary

This study investigates differences in atmospheric conditions between nights with and without low-level stratus clouds (LLCs) over southern West Africa. We use high-quality observations collected during 2016 summer monsoon season and the ERA5 reanalysis data set. Our results show that the formation of LLCs depends on the interplay between the onset time and strength of the nocturnal low-level jet, horizontal cold-air advection, and the overall moisture level in the whole region.