A methodology for attributing extreme extratropical cyclones to climate change: the case study of storm Alex 2020

Mireia Ginesta1, Pascal Yiou1, Gabriele Messori2 and Davide Faranda3, (1)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette, France, (2)Uppsala University, Department of Earth Sciences, Uppsala, Sweden, (3)LSCE Laboratoire des Sciendes du Climat et de l'Environnement, Gif-Sur-Yvette, France