Mesoscale: Difference between revisions
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<div class="definition"><div class="short_definition">Pertaining to atmospheric phenomena having horizontal scales ranging from a few to several hundred kilometers, including [[thunderstorms]], [[squall lines]], [[fronts]], [[precipitation bands]] in [[tropical]] and [[extratropical cyclones]], and topographically generated weather systems such as [[mountain waves]] and [[sea]] and [[land breezes]].</div><br/> <div class="paragraph">From a dynamical perspective, this term pertains to processes with timescales ranging from the inverse of the [[Brunt–V& | <div class="definition"><div class="short_definition">Pertaining to atmospheric phenomena having horizontal scales ranging from a few to several hundred kilometers, including [[thunderstorms]], [[squall lines]], [[fronts]], [[precipitation bands]] in [[tropical]] and [[extratropical cyclones]], and topographically generated weather systems such as [[mountain waves]] and [[sea]] and [[land breezes]].</div><br/> <div class="paragraph">From a dynamical perspective, this term pertains to processes with timescales ranging from the inverse of the [[Brunt–Väisälä frequency]] to a [[pendulum day]], encompassing deep [[moist convection]] and the full [[spectrum]] of [[inertio-gravity waves]] but stopping short of [[synoptic-scale]] phenomena, which have [[Rossby numbers]] less than 1.</div><br/> </div> | ||
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Revision as of 14:40, 20 February 2012
mesoscale
Pertaining to atmospheric phenomena having horizontal scales ranging from a few to several hundred kilometers, including thunderstorms, squall lines, fronts, precipitation bands in tropical and extratropical cyclones, and topographically generated weather systems such as mountain waves and sea and land breezes.
From a dynamical perspective, this term pertains to processes with timescales ranging from the inverse of the Brunt–Väisälä frequency to a pendulum day, encompassing deep moist convection and the full spectrum of inertio-gravity waves but stopping short of synoptic-scale phenomena, which have Rossby numbers less than 1.
