A waterspout was spotted off the coast of the south of France as heavy thunderstorms caused flooding in much of the region.<br /><br />Footage filmed on August 9 near Cassis, Provence, shows the phenomenon, which occurs when a tornado forms over the ocean or a body of water.<br /><br />Heavy rain also caused extensive flooding in the Ardeche forest and the Bouche-du-Rhone department.
