Articles | Volume 26, issue 2
https://doi.org/10.5194/nhess-26-1039-2026
https://doi.org/10.5194/nhess-26-1039-2026
Research article
 | 
03 Mar 2026
Research article |  | 03 Mar 2026

Assessing the intensification and impact of a historical storm in a warmer climate

Johanne Kristine Haandbæk Øelund, Jens Hesselbjerg Christensen, Rune Magnus Koktvedgaard Zeitzen, Henrik Vedel, and Henrik Feddersen

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Cited articles

Bengtsson, L., I., H. K., and Keenlyside, N.: Will extratropical storms intensify in a warmer climate, J. Climate, 22, 2276–2301, https://doi.org/10.1175/2008JCLI2678.1, 2009. a
Bengtsson, L., Andrae, U., Aspelien, T., Batrak, Y., Calvo, J., De Roy, W., Gleeson, E., Hansen-Sass, B., Homleid, M., Hortal, M., Ivarsson, K., Lenderink, G., Niemelä, S., Nielsen, C. P., Onvlee, J., Rontu, L., Samuelsson, P., Munoz, D. S., Subias, A., Tijm, S., Toll, V., Yang, X., and Køltzow, M.: The HARMONIE-AROME Model Configuration in the ALADINE-HIRLAM NWP System, Mon. Weather Rev., 145, 1919–1935, 2017. a, b
Brogli, R., Heim, C., Mensch, J., Sørland, S. L., and Schär, C.: The pseudo-global-warming (PGW) approach: methodology, software package PGW4ERA5 v1.1, validation, and sensitivity analyses, Geosci. Model Dev., 16, 907–926, https://doi.org/10.5194/gmd-16-907-2023, 2023. a
Cappelen, J., Olufsen, S., Ribergaard, M. H., Nielsen, J. W., Schmith, T., and Hansen, N.: Decemberorkanen 1999, https://www.dmi.dk/vejr-og-atmosfare/temaforside-decemberorkanen-1999 (last access: 22 February 2026), 2018. a, b, c
Catto, J. L.: Extratropical cyclone classification and its use in climate studies, Rev. Geophys., 54, 486–520, https://doi.org/10.1002/2016RG000519, 2016. a, b
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This study explores how a powerful storm like Anatol, which hit Denmark in 1999, could change in a warmer future climate. Using a weather model, the storm was simulated under future temperature conditions. Results show stronger winds affecting larger areas for longer periods. A new index was introduced to measure storm severity. The findings highlight the growing risks to infrastructure and the need for better storm preparedness.
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