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The climatology of significant tornadoes in the Czech Republic
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SYSNO ASEP 0531339 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The climatology of significant tornadoes in the Czech Republic Author(s) Brázdil, Rudolf (UEK-B) RID, SAI, ORCID
Chromá, Kateřina (UEK-B) RID, SAI, ORCID
Púčik, T. (CZ)
Černoch, Z. (CZ)
Dobrovolný, Petr (UEK-B) RID, ORCID, SAI
Dolák, Lukáš (UEK-B) RID, SAI, ORCID
Kotyza, O. (CZ)
Řezníčková, Ladislava (UEK-B) RID, SAI
Taszarek, M. (PL)Number of authors 9 Article number 689 Source Title Atmosphere. - : MDPI
Roč. 11, č. 7 (2020)Number of pages 20 s. Language eng - English Country CH - Switzerland Keywords Czech Republic ; Documentary data ; Dynamic climatology ; Environmental conditions ; Spatiotemporal variability ; Tornado ; Tornado damage ; Tornado fatality ; Tornado intensity Subject RIV DG - Athmosphere Sciences, Meteorology OECD category Meteorology and atmospheric sciences R&D Projects EF16_019/0000797 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CzeCOS III - 90123 - Ústav výzkumu globální změny AV ČR, v. v. i. Method of publishing Open access Institutional support UEK-B - RVO:86652079 UT WOS 000572562800001 EID SCOPUS 85088143929 DOI 10.3390/atmos11070689 Annotation In the Czech Republic, tornadoes may reach an intensity of F2 and F3 on the Fujita scale, causing 'considerable' to 'severe' damage. Documentary evidence is sufficient to allow the creation of a chronology of such events, from the earliest recorded occurrence in 1119 CE (Common Era) to 2019, including a total of 108 proven or probable significant tornadoes on 90 separate days. Since only 11 significant tornadoes were documented before 1800, this basic analysis centers around the 1811-2019 period, during which 97 tornadoes were recorded. Their frequency of occurrence was at its highest in the 1921-1930, 1931-1940, and 2001-2010 decades. In terms of annual variations, they took place most frequently in July, June, and August (in order of frequency), while daily variation favored the afternoon and early evening hours. Conservative estimates of human casualties mention 8 fatalities and over 95 people injured. The most frequent types of damage were related to buildings, individual trees, and forests. Tornadoes of F2-F3 intensity were particularly associated with synoptic types characterized by airflow from the western quadrant together with troughs of low pressure extending or advancing over central Europe. Based on parameters calculated from the ERA-5 re-analysis for the period of 1979-2018, most of these tornadoes occurred over a wide range of Convective Available Potential Energy (CAPE) values and moderate-to-strong vertical wind shear. The discussion herein also addresses uncertainties in tornado selection from documentary data, the broader context of Czech significant tornadoes, and the environmental conditions surrounding their origins. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2021 Electronic address https://www.mdpi.com/2073-4433/11/7/689
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