stratospheric steering

stratospheric steering

[¦strad·ə¦sfir·ik ′stir·iŋ]
(meteorology)
The steering of lower-level atmospheric disturbances along the contour lines of the tropopause, which lines are presumably roughly parallel to the direction of the wind at the tropopause level.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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