Today's storm caught Athenians, and authorities, once again, unprepared. In Nikaia, a suburb of Piraeus, the stream traversing the suburb flooded and swept away cars, flooding the suburb, with images presenting scenes of biblical destruction.

Severe storms have left problems around Greece, with most damage centered in the region of western Greece.

Torrential rain swept through Achaia prefecture flooding Patra and the surrounding area, just before dawn.