Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 5, issue 1
Articles | Volume 5, issue 1
https://doi.org/10.5194/wcd-5-439-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-5-439-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 1
Research article
 | 
03 Apr 2024
Research article |  | 03 Apr 2024

Analysing 23 years of warm-season derechos in France: a climatology and investigation of synoptic and environmental changes

Lucas Fery and Davide Faranda

Supplement

https://doi.org/10.5194/wcd-5-439-2024-supplement

Data sets

GPM IMERG Final Precipitation L3 Half Hourly 0.1 degree x 0.1 degree V06 G. Huffman et al. https://doi.org/10.5067/GPM/IMERG/3B-HH/06

NCEP/CPC L3 Half Hourly 4km Global (60S--60N) Merged IR V1, Edited by Andrey Savtchenko J. Janowiak et al. https://doi.org/10.5067/P4HZB9N27EKU

ERA5 hourly data on single levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.adbb2d47

ERA5 hourly data on pressure levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.bd0915c6

ERA5 reanalysis preprocessed KNMI Climate Explorer https://climexp.knmi.nl/selectdailyfield2.cgi?id=someone@somewhere

E-OBS Temperature and Precipitation Data sets ECA&D - European Climate Assessment and Dataset https://www.ecad.eu/download/ensembles/download.php#datafiles

Global Hourly - Integrated Surface Database (ISD) NCEI and NOAA - National Centers for Environmental Information and National Oceanic and Atmospheric Administration https://www.ncei.noaa.gov/data/global-hourly/

Model code and software

Attractor Local Dimension and Local Persistence computation Davide Faranda https://fr.mathworks.com/matlabcentral/fileexchange/95768-attractor-local-dimension-and-local-persistence-computation

PyFLEXTRKR Initial Public Release Codes Z. Feng https://doi.org/10.5281/zenodo.7429446

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Short summary
In this study, we analyse warm-season derechos – a type of severe convective windstorm – in France between 2000 and 2022, identifying 38 events. We compare their frequency and features with other countries. We also examine changes in the associated large-scale patterns. We find that convective instability has increased in southern Europe. However, the attribution of these changes to natural climate variability, human-induced climate change or a combination of both remains unclear.
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