Difference between revisions of "Obscuration"

From Glossary of Meteorology
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#<div class="definition"><div class="short_definition">(<br/>''Also called'' obscured sky cover.) In U.S. weather observing practice, the designation  for the [[sky cover]] when the sky is completely hidden by surface-based obscuring phenomena.</div><br/> <div class="paragraph">It is encoded &ldquo;X&rdquo; in aviation weather observations; it always constitutes a [[ceiling]], the height  of which is the value of [[vertical visibility]] into the [[obscuring phenomenon]]. <br/>''Compare'' [[partial  obscuration]].</div><br/> </div>
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#<div class="definition"><div class="short_definition">(''Also called'' obscured sky cover.) In U.S. weather observing practice, the designation  for the [[sky cover]] when the sky is completely hidden by surface-based obscuring phenomena.</div><br/> <div class="paragraph">It is encoded "X" in aviation weather observations; it always constitutes a [[ceiling]], the height  of which is the value of [[vertical visibility]] into the [[obscuring phenomenon]]. <br/>''Compare'' [[partial obscuration|partial  obscuration]].</div><br/> </div>
 
#<div class="definition"><div class="short_definition">A surface-based [[obscuring phenomenon]].</div><br/> </div>
 
#<div class="definition"><div class="short_definition">A surface-based [[obscuring phenomenon]].</div><br/> </div>
 
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Latest revision as of 17:31, 25 April 2012



obscuration

  1. (Also called obscured sky cover.) In U.S. weather observing practice, the designation for the sky cover when the sky is completely hidden by surface-based obscuring phenomena.

    It is encoded "X" in aviation weather observations; it always constitutes a ceiling, the height of which is the value of vertical visibility into the obscuring phenomenon.
    Compare partial obscuration.

  2. A surface-based obscuring phenomenon.