Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1221-2025
https://doi.org/10.5194/wcd-6-1221-2025
Research article
 | 
22 Oct 2025
Research article |  | 22 Oct 2025

A methodology for tracking cold spells in space and time: development, evaluation and applications

Weronika Osmolska, Charles Chemel, Amanda Maycock, and Paul Field

Data sets

Cold spell tracks from ERA5 dataset 1940--2022 (v1.0.0) Weronika Osmolska https://doi.org/10.5281/zenodo.17378095

Model code and software

coldsnap (v1.0.0) Weronika Osmolska https://doi.org/10.5281/zenodo.14960646

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Short summary
Extreme cold temperatures have widespread impacts on health, agriculture, infrastructures and the economy. We develop for the first time a methodology to build a catalogue of cold spell events, tracked in space and time. This catalogue is used to examine the behaviour of cold spells and its climatology. The results reveal specific pathways through which cold air affect midlatitudes.
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