Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 6, issue 4
Articles | Volume 6, issue 4
https://doi.org/10.5194/wcd-6-1769-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-6-1769-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 4
Research article
 | 
09 Dec 2025
Research article |  | 09 Dec 2025

Numerical simulation of a rapidly developing bow echo over northeastern Poland on 21 August 2007 using near-grid-scale stochastic convection initiation

Damian K. Wójcik, Michał Z. Ziemiański, and Wojciech W. Grabowski

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Short summary
Representation of severe convection is a challenge for numerical weather prediction models. We show that an explicit stochastic convection initiation scheme, mimicking effects of initial convective cells, allows representation of the isolated bow echo, exposing its cold-pool-driven dynamics, formation of the rear inflow jet, and strong surface winds. The reconstruction delays the strongest gusts by almost an hour, and insufficiently represents continuous linear arrangement of convective cells.
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