Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1221-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.A methodology for tracking cold spells in space and time: development, evaluation and applications
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- Final revised paper (published on 22 Oct 2025)
- Preprint (discussion started on 14 Mar 2025)
Interactive discussion
Status: closed
Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor
| : Report abuse
- RC1: 'Comment on egusphere-2025-1014', Anonymous Referee #1, 07 Apr 2025
- RC2: 'Comment on egusphere-2025-1014', Anonymous Referee #2, 23 May 2025
- AC1: 'Comment on egusphere-2025-1014', Weronika Osmolska, 19 Jun 2025
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Weronika Osmolska on behalf of the Authors (19 Jun 2025)
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ED: Referee Nomination & Report Request started (22 Jul 2025) by Yang Zhang
RR by Anonymous Referee #1 (07 Aug 2025)

ED: Publish subject to minor revisions (review by editor) (30 Aug 2025) by Yang Zhang

AR by Weronika Osmolska on behalf of the Authors (08 Sep 2025)
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ED: Publish as is (17 Sep 2025) by Yang Zhang

AR by Weronika Osmolska on behalf of the Authors (21 Sep 2025)
Manuscript
Review of A methodology for tracking cold spells in space and time: development, evaluation and applications by Osmolska et al.
The study introduces a new method for identifying and analyzing cold spells (CS) by treating CS as connected spatio-temporal objects rather than using traditional Eulerian frameworks or case studies. Using the ERA5 reanalysis dataset, the study develops a Northern Hemisphere climatology of cold spells, examining seasonal variations and associated atmospheric circulation patterns. The results are compared to an Eulerian-based method, highlighting differences in identified cold spells. Additionally, the study maps typical pathways of cold spells affecting East Asia, Europe, and North America.
Overall, the manuscript is well-structured and easy to follow. The methodology described in this manuscript has potential applications in risk assessment, and also sheds new sights on the understanding of the dynamics of CS in the Northern Hemisphere. Thus, I recommend this manuscript for publication pending some minor comments.