Articles | Volume 18, issue 17
https://doi.org/10.5194/gmd-18-5435-2025
https://doi.org/10.5194/gmd-18-5435-2025
Model evaluation paper
 | 
01 Sep 2025
Model evaluation paper |  | 01 Sep 2025

Impact of horizontal resolution and model time step on European precipitation extremes in the OpenIFS 43r3 atmospheric model

Yingxue Liu, Joakim Kjellsson, Abhishek Savita, and Wonsun Park

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gmd-2024-66', Anonymous Referee #1, 03 Jul 2024
  • RC2: 'Comment on gmd-2024-66', Anonymous Referee #2, 20 Aug 2024
  • AC1: 'Comment on gmd-2024-66', Yingxue Liu, 18 Oct 2024

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Yingxue Liu on behalf of the Authors (18 Oct 2024)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (07 Nov 2024) by Sophie Valcke
RR by Anonymous Referee #2 (01 Dec 2024)
RR by Anonymous Referee #3 (12 Dec 2024)
ED: Reconsider after major revisions (03 Jan 2025) by Sophie Valcke
AR by Yingxue Liu on behalf of the Authors (24 Feb 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (15 Mar 2025) by Sophie Valcke
RR by Anonymous Referee #2 (01 Apr 2025)
RR by Anonymous Referee #4 (18 Apr 2025)
ED: Reconsider after major revisions (21 Apr 2025) by Sophie Valcke
AR by Yingxue Liu on behalf of the Authors (23 May 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (13 Jun 2025) by Sophie Valcke
AR by Yingxue Liu on behalf of the Authors (17 Jun 2025)  Author's response   Manuscript 
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Short summary
The impact of horizontal resolution and model time step on extreme precipitation over Europe is examined in OpenIFS. We find that the biases are reduced with higher horizontal resolution but not with a shorter time step. The large-scale precipitation is sensitive to the horizontal resolution and time step; however, the convective precipitation is sensitive to the model time step. Higher horizontal resolution is more important for extreme precipitation simulation than a shorter time step.
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