We're closely monitoring an ongoing cyclogenesis (formation of Medicane still possible within the next 36 hours) in the Tyrrhenian sea. Textbook structure of deep convection can be seen both on radar and satellite animation. Animatino by Youmeteohttps://t.co/wJ9BVchj0I pic.twitter.com/oI4UufUeAO

— severe-weather.EU (@severeweatherEU) September 20, 2018