A commonly used term for clouds of the type lenticularis.

A cloud in the shape of a lens. Lenticular clouds are indicative of strong and fast moving winds in the upper atmosphere. They have been confused for flying saucers and U.F.O.'s.

A cloud species which has elements resembling smooth lenses or almonds and more or less isolated. These clouds are caused by a wave wind pattern created by the mountains. They are also indicative of down-stream turbulence on the leeward side of a barrier.