upper-level anticyclone


Also found in: Acronyms.

upper-level anticyclone

[¦əp·ər ¦lev·əl ′ant·i′sī‚klōn]
(meteorology)
An anticyclonic circulation existing in the upper air; this often refers to such anticyclones only when they are much more pronounced at upper levels than at and near the earth's surface. Also known as high aloft; high-level anticyclone; upper anticyclone; upper high; upper-level high.