Visible satellite animation of a developing deep cyclone in the Tyrrhenian sea this morning. A lot of deep convection is visible ongoing around the center low. This activity is expected to continue through the day and lead into and a development of a Medicane @SAT24_WEATHER pic.twitter.com/Gf3zFHFp02

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