(8:10 UTC) A tail end Charlie supercell has developed on the southwestern end of the squall line in the Tyrrhenian sea. It is clearly shown by satellite imagery and radar, currently tracking towards Sicily. If you come across any images of the storm from ships in the area, please do share them.

This thunderstorm is part of the severe weather system in the MDT risk area of SWE Day 1 Outlook for 5/10/13. Follow this major severe storm system with Italy radars and satellite imagery.

Eumetsat VIS image W Europe, 6:30 UTC. Satellite image source: Sat24.com / Eumetsat / Met Office