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| | | #REDIRECT [[Gravity wind]] |
| #REDIRECT [[gravity wind]] | |
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| == gravity wind ==
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| <div class="definition"><div class="short_definition">(''Also called'' drainage wind.) A [[wind]] resulting from cold air running or flowing down a slope, caused by greater air density near the slope than at the same [[altitude]] some distance horizontally from the slope.</div><br/> <div class="paragraph">Generally used when cold air is locally generated by a chilled slope surface during periods of weak [[synoptic]] or other larger-scale winds, as with [[katabatic]] or [[drainage winds]]. Slopes can be gentle as found over rolling [[topography]] or into river valleys, or steep as on mountains or mountain ranges. Although usually applied to smaller (individual slope) scale flows, the term is occasionally used to include [[fall winds]], or air advected from a cold [[source region]] elsewhere, then spilling over and accelerating down a slope, as with a [[bora]] or a [[cold front]] passage over [[orography]]. <br/>''See'' [[downslope wind]].</div><br/> </div>
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| [[Category:Terms_G]]
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