Supercooled drizzle development in response to semi-coherent vertical velocity fluctuations within an orographic-layer cloud

Majewski, Adam; French, Jeffrey R.

doi:https://doi.org/10.5194/acp-20-5035-2020

Articles | Volume 20, issue 8

https://doi.org/10.5194/acp-20-5035-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-5035-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 8

Research article

|

28 Apr 2020

Research article |

| 28 Apr 2020

Supercooled drizzle development in response to semi-coherent vertical velocity fluctuations within an orographic-layer cloud

Adam Majewski and Jeffrey R. French

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Final revised paper (published on 28 Apr 2020)
Preprint (discussion started on 07 Oct 2019)

Interactive discussion

Status: closed

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

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- Supplement

SC1: 'Highly supercooled drizzle formation', Israel Silber, 16 Oct 2019
- AC1: 'Reply to Israel Silber', Adam Majewski, 21 Oct 2019
RC1: 'Review of Supercooled Drizzle Development in Response to Semi-Coherent Vertical Velocity Fluctuations Within an Orographic Layer Cloud by Majewski and French', Anonymous Referee #1, 13 Nov 2019
- AC2: 'Reply to Referee #1', Adam Majewski, 04 Feb 2020
RC2: 'Review', Anonymous Referee #2, 01 Dec 2019
- AC3: 'Reply to Referee #2', Adam Majewski, 04 Feb 2020

Peer-review completion

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

AR by Adam Majewski on behalf of the Authors (04 Feb 2020) Author's response Manuscript

ED: Publish as is (21 Feb 2020) by Ottmar Möhler

AR by Adam Majewski on behalf of the Authors (27 Feb 2020) Manuscript

Short summary

The study reports formation of supercooled drizzle drops in response to repeating kilometer-wide updrafts and downdrafts within a mixed-phase, mountain-layer cloud containing very little ice despite cold cloud top temperatures (T ~ -30°C). The discrete, embedded hydrometeor growth layers and downwind transition to drizzle production at cloud top indicates the relative importance of kinematic mechanisms in determining the location of precipitation development in cloud.