Difference between revisions of "Squall"

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#<div class="definition"><div class="short_definition">A strong [[wind]] characterized by a sudden onset, a duration of the order of minutes, and  then a rather sudden decrease in speed.</div><br/> <div class="paragraph">In U.S. observational practice, a squall is reported only if a [[wind speed]] of 16 knots or higher  is sustained for at least two minutes (thereby distinguishing it from a [[gust]]). <br/>''See'' [[line squall]], [[white  squall]], [[williwaw]].</div><br/> </div>
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#<div class="definition"><div class="short_definition">A strong [[wind]] characterized by a sudden onset, a duration of the order of minutes, and  then a rather sudden decrease in speed.</div><br/> <div class="paragraph">In U.S. observational practice, a squall is reported only if a [[wind speed]] of 16 knots or higher  is sustained for at least two minutes (thereby distinguishing it from a [[gust]]). <br/>''See'' [[line squall]], [[white squall|white  squall]], [[williwaw]].</div><br/> </div>
 
#<div class="definition"><div class="short_definition">In nautical use, a [[severe local storm]] considered as a whole, that is, [[winds]] and [[cloud]] mass  and (if any) [[precipitation]], [[thunder]] and [[lightning]].</div><br/> <div class="paragraph"><br/>''See'' [[squall line]], [[arched squall]], [[black squall]], [[sumatra]], [[Abrolhos squalls]].</div><br/> </div>
 
#<div class="definition"><div class="short_definition">In nautical use, a [[severe local storm]] considered as a whole, that is, [[winds]] and [[cloud]] mass  and (if any) [[precipitation]], [[thunder]] and [[lightning]].</div><br/> <div class="paragraph"><br/>''See'' [[squall line]], [[arched squall]], [[black squall]], [[sumatra]], [[Abrolhos squalls]].</div><br/> </div>
 
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Latest revision as of 16:57, 25 April 2012



squall

  1. A strong wind characterized by a sudden onset, a duration of the order of minutes, and then a rather sudden decrease in speed.

    In U.S. observational practice, a squall is reported only if a wind speed of 16 knots or higher is sustained for at least two minutes (thereby distinguishing it from a gust).
    See line squall, white squall, williwaw.

  2. In nautical use, a severe local storm considered as a whole, that is, winds and cloud mass and (if any) precipitation, thunder and lightning.



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