Brief communication: Recent changes in summer Greenland blocking captured by none of the CMIP5 models

Hanna, Edward; Fettweis, Xavier; Hall, Richard J.

doi:https://doi.org/10.5194/tc-12-3287-2018

Articles | Volume 12, issue 10

https://doi.org/10.5194/tc-12-3287-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-12-3287-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 10

Brief communication

|

16 Oct 2018

Brief communication |

| 16 Oct 2018

Brief communication: Recent changes in summer Greenland blocking captured by none of the CMIP5 models

Edward Hanna, Xavier Fettweis, and Richard J. Hall

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Final revised paper (published on 16 Oct 2018)
Supplement to the final revised paper
Preprint (discussion started on 15 May 2018)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review', Anonymous Referee #1, 09 Jun 2018
- AC1: 'Response to Referee 1', Edward Hanna, 27 Jun 2018
RC2: 'Review of Hanna et al.', Anonymous Referee #2, 13 Jul 2018
- AC2: 'Response to Reviewer 2', Edward Hanna, 17 Jul 2018

Peer-review completion

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

AR by Edward Hanna on behalf of the Authors (22 Jul 2018) Author's response Manuscript

ED: Reconsider after major revisions (23 Jul 2018) by Marco Tedesco

ED: Referee Nomination & Report Request started (25 Jul 2018) by Marco Tedesco

RR by Anonymous Referee #1 (27 Jul 2018)

ED: Publish as is (04 Sep 2018) by Marco Tedesco

Short summary

The latest/recent generations of global climate models do not simulate the recent (last 30 years) increase in atmospheric high pressure over Greenland in summer but rather projects decreasing pressure. This difference between climate models and observations raises serious questions about the ability of the models to accurately represent future changes in Greenland climate and ice-sheet mass balance. There are also likely effects on climate predictions downstream, e.g. over Europe.