obscured sky cover
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obscured sky cover
[əb′skyu̇rd ′skī ‚kəv·ər] (meteorology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
obscuration
A condition in which the sky, or the dividing line between a cloud and the clear air below, is completely hidden by surface-based obscuring phenomena such as fog, mist, or smoke. Also known as obscured sky cover.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved