banner cloud
banner cloud
[′ban·ər ‚klau̇d] (meteorology)
A cloud plume often observed to extend downwind from isolated mountain peaks, even on otherwise cloud-free days. Also known as cloud banner.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
banner cloud
A cloud plume extending downward from a mountain peak and suggesting a banner. This is, often, prevalent on a cloudless day. The cloud may be formed by reduced atmospheric pressure on the leeward side of the peak or may consist of drifting snow.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive
Moore dismisses the possibility that the plume was a so-called
banner cloud, a type that sometimes develops on the lee side of tall peaks.
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