For the first time in Argolida, East Peloponnese, a spectacular phenomenon appeared before the storm on Monday: a shelf cloud. The shape and the colors of the shelf cloud created stunning pictures. A shelf cloud is a low, horizontal, wedge-shaped arcus cloud. A shelf cloud is attached to the base of the parent cloud, which … The post Stunning pictures of shelf cloud over Nafplio and Argolida appeared first on Keep Talking Greece.