Overcast: Difference between revisions

Revision as of 14:48, 20 February 2012

overcast

Descriptive of a sky cover of 1.0 (95% or more) when at least a portion of this amount is attributable to clouds or obscuring phenomena aloft; that is, when the total sky cover is not due entirely to surface-based obscuring phenomena.

In aviation weather observations, an overcast sky cover is denoted by the symbol "symbol"; it may be explicitly identified as thin (predominantly transparent); otherwise a predominantly opaque status is implicit. An opaque overcast sky cover always constitutes a ceiling.
See obscuration.
Popularly, the cloud layer that covers most or all of the sky.

It generally suggests a widespread layer of clouds such as that considered typical of a warm front.

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-#<div class="definition"><div class="short_definition">Descriptive of a [[sky cover]] of 1.0 (95% or more) when at least a portion of this amount  is attributable to [[clouds]] or [[obscuring phenomena]] aloft; that is, when the [[total sky cover]] is not  due entirely to surface-based obscuring phenomena.</div><br/> <div class="paragraph">In [[aviation weather observations]], an overcast sky cover is denoted by the [[symbol]] &ldquo;[[symbol]]&rdquo;; it  may be explicitly identified as [[thin]] (predominantly transparent); otherwise a predominantly opaque  status is implicit. An opaque overcast sky cover always constitutes a [[ceiling]]. <br/>''See'' [[obscuration]].</div><br/> </div>
+#<div class="definition"><div class="short_definition">Descriptive of a [[sky cover]] of 1.0 (95% or more) when at least a portion of this amount  is attributable to [[clouds]] or [[obscuring phenomena]] aloft; that is, when the [[total sky cover]] is not  due entirely to surface-based obscuring phenomena.</div><br/> <div class="paragraph">In [[aviation weather observations]], an overcast sky cover is denoted by the [[symbol]] "[[symbol]]"; it  may be explicitly identified as [[thin]] (predominantly transparent); otherwise a predominantly opaque  status is implicit. An opaque overcast sky cover always constitutes a [[ceiling]]. <br/>''See'' [[obscuration]].</div><br/> </div>
 #<div class="definition"><div class="short_definition">Popularly, the [[cloud layer]] that covers most or all of the sky.</div><br/> <div class="paragraph">It generally suggests a widespread layer of clouds such as that considered typical of a [[warm  front]].</div><br/> </div>
 </div>