Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 12
Articles | Volume 19, issue 12
https://doi.org/10.5194/gmd-19-5641-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-5641-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 12
Model description paper
 | 
29 Jun 2026
Model description paper |  | 29 Jun 2026

ImpactETC1.0: impact-oriented tracking of extratropical cyclones with global optimisation and track reconciliation

Niels Agertoft, Jian Su, Jonas Wied Pedersen, Ida Margrethe Ringgaard, and Morten Andreas Dahl Larsen

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Cited articles

Agertoft, N., Su, J., Pedersen, J. W., Ringgaard, I. M., and Larsen, M. A. D.: ImpactETC1.0 release, Zenodo [code], https://doi.org/10.5281/zenodo.20309449, 2026. a, b, c
Andrée, E., Su, J., Larsen, M. A. D., Drews, M., Stendel, M., and Skovgaard Madsen, K.: The role of preconditioning for extreme storm surges in the western Baltic Sea, Nat. Hazards Earth Syst. Sci., 23, 1817–1834, https://doi.org/10.5194/nhess-23-1817-2023, 2023. a
Andrée, E., Su, J., Larsen, M. A. D., Madsen, K. S., and Drews, M.: Simulating major storm surge events in a complex coastal region, Ocean Model., 162, 101 802, https://doi.org/10.1016/j.ocemod.2021.101802, 2021. a
Andrée, E., Drews, M., Su, J., Larsen, M. A. D., Drønen, N., and Madsen, K. S.: Simulating wind-driven extreme sea levels: Sensitivity to wind speed and direction, Weather and Climate Extremes, 36, 100422, https://doi.org/10.1016/j.wace.2022.100422, 2022. a
Aragão, L. and Porcù, F.: Cyclonic activity in the Mediterranean region from a high-resolution perspective using ECMWF ERA5 dataset, Clim. Dynam., 58, 1293–1310, https://doi.org/10.1007/s00382-021-05963-x, 2022. a, b, c, d, e
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Extratropical cyclones (ETCs) drive severe weather and cause significant socio-economic impacts. We present ImpactETC1.0, a framework that identifies ETC tracks and links them to local impacts, here storm surges. It uses global optimisation, BLOB analysis, and several post-processing options to improve tracking quality and identify impact-relevant tracks. Results show ImpactETC1.0 enables efficient, impact-focused ETC tracking.
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