Articles | Volume 3, issue 4
https://doi.org/10.5194/wcd-3-1311-2022
https://doi.org/10.5194/wcd-3-1311-2022
Research article
 | 
17 Nov 2022
Research article |  | 17 Nov 2022

A climate-change attribution retrospective of some impactful weather extremes of 2021

Davide Faranda, Stella Bourdin, Mireia Ginesta, Meriem Krouma, Robin Noyelle, Flavio Pons, Pascal Yiou, and Gabriele Messori

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Cited articles

AEMET: La ola de calor del puente de agosto'21 y los récords de temperaturas en España, Spanish State Meteorological Agency, https://aemetblog.es/2021/08/18/la-ola-de-calor-del-puente-de-agosto21-y-los-records-de-temperaturas-en-espana/ (last access: 27 January 2022), 2021a. a
AEMET: Informe sobre la borrasca Filomena y la ola de frio, Spanish State Meteorological Agency, http://www.aemet.es/documentos/es/conocermas/recursos_en_linea/publicaciones_y_estudios/estudios/Informe_episodio_filomena.pdf (last access: 21 October 2022), 2021b. a, b
AEMET: Noviembre de 2021, un mes muy frío, Spanish State Meteorological Agency https://www.aemet.es/es/noticias/2021/12/resumen_clima_noviembre_2021, last access: 14 January 2022. a
Alberoni, P., Nanni, S., Crespi, M., and Monai, M.: The supercell thunderstorm on 8 June 1990: mesoscale analysis and radar observations, Meteorol. Atmos. Phys., 58, 123–138, 1996. a
Ali, E., Cramer, W., Carnicer, J., Georgopoulou, E., Hilmi, N., Cozannet, G. L., and P. Lionello, P.: Cross-Chapter Paper 4: Mediterranean Region, in: Climate Change 2022: Impacts, Adaptation and Vulnerability, Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press Cambridge, UK and New York, NY, USA, 2233–2272, 2022. a
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Short summary
We analyze the atmospheric circulation leading to impactful extreme events for the calendar year 2021 such as the Storm Filomena, Westphalia floods, Hurricane Ida and Medicane Apollo. For some of the events, we find that climate change has contributed to their occurrence or enhanced their intensity; for other events, we find that they are unprecedented. Our approach underscores the importance of considering changes in the atmospheric circulation when performing attribution studies.
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