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Weather and Climate Dynamics An interactive open-access journal of the European Geosciences Union
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WCD | Articles | Volume 1, issue 2
Weather Clim. Dynam., 1, 325–348, 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Weather Clim. Dynam., 1, 325–348, 2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 17 Jul 2020

Research article | 17 Jul 2020

The role of large-scale dynamics in an exceptional sequence of severe thunderstorms in Europe May–June 2018

Susanna Mohr et al.

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Cited articles

Attinger, R., Keller, J. H., Köhler, M., Riboldi, J., and Grams, C. M.: Representation of atmospheric blocking in the new global non-hydrostatic weather prediction model ICON, Meteorol. Z., 28, 429–446,, 2019. a
Barriopedro, D., García-Herrera, R., Lupo, A. R., and Hernández, E.: A climatology of Northern Hemisphere blocking, J. Climate, 19, 1042–1063,, 2006. a
Barthlott, C., Schipper, J. W., Kalthoff, N., Adler, B., Kottmeier, C., Blyth, A., and Mobbs, S.: Model representation of boundary-layer convergence triggering deep convection over complex terrain: A case study from COPS, Atmos. Res., 95, 172–185,, 2010. a
Bennett, L. J., Browning, K. A., Blyth, A. M., Parker, D. J., and Clark, P. A.: A review of the initiation of precipitating convection in the United Kingdom, Q. J. Roy. Meteor. Soc., 132, 1001–1020,, 2006. a
Bieli, M., Pfahl, S., and Wernli, H.: A Lagrangian investigation of hot and cold temperature extremes in Europe, Q. J. Roy. Meteor. Soc., 141, 98–108,, 2015. a
Publications Copernicus
Short summary
We investigated an exceptional thunderstorm episode in 2018, in which atmospheric blocking provided large-scale environmental conditions favouring convection. Furthermore, blocking was accompanied by a high cut-off frequency on its upstream side, which together with filaments of high PV provided the mesoscale setting for deep moist convection. The exceptional persistence of low stability combined with weak wind speed in the mid-troposphere over more than 3 weeks has never been observed before.
We investigated an exceptional thunderstorm episode in 2018, in which atmospheric blocking...