A generally circular ring of cloud that may be observed on rare occasions surrounding the upper part of a wall cloud . See picture
This term sometimes is used (incorrectly) as a synonym for wall cloud .
A generally circular ring of cloud that may be observed on rare occasions surrounding the upper part of a wall cloud . See picture
This term sometimes is used (incorrectly) as a synonym for wall cloud .
A comprehensive English glossary of weather. Полный английский глоссарий погоды. 2012