VALID FOR 18-11-2013

A large upper low over western Mediterranean slowly moving NE towards Italy while a long-wave upper trough spreading from western towards central Europe. A surface low is deepening over western Mediterranean.

A MDT risk has been issued for S France into NW Mediterranean and towards Corsica with threat for torrential and excessive rain and severe winds.

A SLGT has been issued for western Mediterranean with threat for heavy rain, waterspouts, some large hail and severe winds.