vertical clouds by Valentina Sannicolo at Cepolina.com, Star rating0, Votes:0
, Summary:Photo: vertical clouds. Category: clouds. Description:Vertical clouds are characterized by a vertical development, that is the highness is superior than largeness. They form at an altitude of 3000-4000 meters but the peak can reach also 24000 metres. Their shape is often resembling a big mushroom. Among these kind of clouds there are cumulonimbus and pyrocumulus that are typically associated to fire or volcanic activity.