Partial obscuration: Difference between revisions

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<div class="definition"><div class="short_definition">A situation when a part of the celestial dome is hidden by a weather phenomenon.</div><br/><div class="paragraph">In  U.S. weather observing procedures, this is the designation for [[sky cover]] when part (0.1&ndash;  0.9) of the sky is completely hidden by surface-based obscuring phenomena. It is encoded &ldquo;&minus;X&rdquo; in [[aviation weather observations]]; it never, by itself, constitutes a [[ceiling]], for the overhead [[vertical  visibility]] is not restricted. <br/>''Compare'' [[obscuration]], [[thin]].</div><br/> </div>
<div class="definition"><div class="short_definition">A situation when a part of the celestial dome is hidden by a weather phenomenon.</div><br/><div class="paragraph">In  U.S. weather observing procedures, this is the designation for [[sky cover]] when part (0.1&ndash;  0.9) of the sky is completely hidden by surface-based obscuring phenomena. It is encoded "-X" in [[aviation weather observations]]; it never, by itself, constitutes a [[ceiling]], for the overhead [[vertical  visibility]] is not restricted. <br/>''Compare'' [[obscuration]], [[thin]].</div><br/> </div>
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Revision as of 14:48, 20 February 2012



partial obscuration

A situation when a part of the celestial dome is hidden by a weather phenomenon.

In U.S. weather observing procedures, this is the designation for sky cover when part (0.1– 0.9) of the sky is completely hidden by surface-based obscuring phenomena. It is encoded "-X" in aviation weather observations; it never, by itself, constitutes a ceiling, for the overhead vertical visibility is not restricted.
Compare obscuration, thin.


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