Northern Hemisphere blocking simulation in current climate models: evaluating progress from the Climate Model Intercomparison Project Phase 5 to 6 and sensitivity to resolution

Schiemann, Reinhard; Athanasiadis, Panos; Barriopedro, David; Doblas-Reyes, Francisco; Lohmann, Katja; Roberts, Malcolm J.; Sein, Dmitry V.; Roberts, Christopher D.; Terray, Laurent; Vidale, Pier Luigi

doi:https://doi.org/10.5194/wcd-1-277-2020

Articles | Volume 1, issue 1

https://doi.org/10.5194/wcd-1-277-2020

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

https://doi.org/10.5194/wcd-1-277-2020

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

Articles | Volume 1, issue 1

Research article

|

15 Jun 2020

Research article |

| 15 Jun 2020

Northern Hemisphere blocking simulation in current climate models: evaluating progress from the Climate Model Intercomparison Project Phase 5 to 6 and sensitivity to resolution

Reinhard Schiemann, Panos Athanasiadis, David Barriopedro, Francisco Doblas-Reyes, Katja Lohmann, Malcolm J. Roberts, Dmitry V. Sein, Christopher D. Roberts, Laurent Terray, and Pier Luigi Vidale

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Final revised paper (published on 15 Jun 2020)
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Preprint (discussion started on 08 Jan 2020)
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Interactive discussion

Status: closed

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

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RC1: 'Review Schiemann et al.', Olivia Romppainen-Martius, 13 Feb 2020
- AC1: 'Author response to referee 1', Reinhard Schiemann, 08 Apr 2020
RC2: '"The representation of Northern Hemisphere blocking in current global climate models" by Schiemann et al.', Anonymous Referee #2, 25 Feb 2020
- AC2: 'Author response to referee 2', Reinhard Schiemann, 08 Apr 2020

Peer-review completion

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

AR by Reinhard Schiemann on behalf of the Authors (05 May 2020) Author's response Manuscript

ED: Publish as is (14 May 2020) by Gwendal Rivière

AR by Reinhard Schiemann on behalf of the Authors (21 May 2020) Manuscript

Short summary

In blocking situations the westerly atmospheric flow in the midlatitudes is blocked by near-stationary high-pressure systems. Blocking can be associated with extremes such as cold spells and heat waves. Climate models are known to underestimate blocking occurrence. Here, we assess the latest generation of models and find improvements in simulated blocking, partly due to increases in model resolution. These new models are therefore more suitable for studying climate extremes related to blocking.