ALTOCASTALATUS

a made-up name for a cloud formation. It is a pun on altostratus, a type of cloud characterized by a generally uniform gray sheet or layer of medium altitude. —Academy Level I Glossary - Approved November 1990

a made-up name for a cloud formation. It is a pun on altostratus, a type of cloud characterized by a generally uniform gray sheet or layer of medium altitude.a made-up name for a cloud formation.