Articles | Volume 2, issue 4
https://doi.org/10.5194/wcd-2-1225-2021
https://doi.org/10.5194/wcd-2-1225-2021
Research article
 | 
16 Dec 2021
Research article |  | 16 Dec 2021

A characterisation of Alpine mesocyclone occurrence

Monika Feldmann, Urs Germann, Marco Gabella, and Alexis Berne

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Cited articles

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Barras, H., Martius, O., Nisi, L., Schroeer, K., Hering, A., and Germann, U.: Multi-day hail clusters and isolated hail days in Switzerland – large-scale flow conditions and precursors, Weather Clim. Dynam. Discuss. [preprint], https://doi.org/10.5194/wcd-2021-25, in review, 2021. a, b
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Short summary
Mesocyclones are the rotating updraught of supercell thunderstorms that present a particularly hazardous subset of thunderstorms. A first-time characterisation of the spatiotemporal occurrence of mesocyclones in the Alpine region is presented, using 5 years of Swiss operational radar data. We investigate parallels to hailstorms, particularly the influence of large-scale flow, daily cycles and terrain. Improving understanding of mesocyclones is valuable for risk assessment and warning purposes.