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Analysis of the lightning production of convective cells

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hdl:2117/185019

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Figueras i Ventura, Jordi
Pineda Rüegg, NicolauMés informació
Besic, Nikola
Grazioli, Jacopo
Hering, Alessandro
Van der Velde, Oscar ArnoudMés informacióMés informació
Romero Durán, DavidMés informacióMés informacióMés informació
Sunjerga, A.
Mostajabi, A.
Azadifar, M.
Rubinstein, M.
Montañá Puig, JuanMés informacióMés informacióMés informació
Germann, Urs
Rachidi-Haeri, Farhad
Document typeArticle
Defense date2019-10-22
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
This paper presents an analysis of the lightning production of convective cells. The cells were detected by the MeteoSwiss Thunderstorms Radar Tracking (TRT) algorithm in the course of a lightning measurement campaign that took place in the summer of 2017 in the area surrounding the Säntis mountain, in the northeastern part of Switzerland. For this campaign, and for the first time in the Alps, a lightning mapping array (LMA) was deployed. In the first part of the paper, we examine the relationship between the intra-cloud (IC) and cloud-to-ground (CG) activity and the cell severity, as derived by the TRT algorithm, of a large dataset of cells gathered during the campaign. We also propose and analyse the performance of a new metric to quantify lightning intensity, the rimed-particle column (RPC) height and base altitude. In the second part, we focus on two of the most severe cells detected during the campaign that produced significantly different outcomes in terms of lightning activity. The paper shows that the newly proposed metric (RPC) seems to be a very promising predictor of lightning activity, particularly for IC flashes. Future lightning nowcasting algorithms should be probabilistic in nature and incorporate the polarimetric properties of the convective cells as well as the lightning climatology.
CitationFigueras, J. [et al.]. Analysis of the lightning production of convective cells. "Atmospheric measurement techniques", 22 Octubre 2019, vol. 12, núm. 10, p. 5573-5591. 
URIhttp://hdl.handle.net/2117/185019
DOI10.5194/amt-12-5573-2019
ISSN1867-1381
Publisher versionhttps://www.atmos-meas-tech.net/12/5573/2019/
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  • Doctorat en Enginyeria Elèctrica - Articles de revista [136]
  • LRG - Lightning Research Group - Articles de revista [60]
  • Departament d'Enginyeria Elèctrica - Articles de revista [817]
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