Quasi-biennial oscillation: Difference between revisions

From Glossary of Meteorology
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|Meaning=An [[oscillation]] in the [[zonal]] winds of the equatorial [[stratosphere]] having  a [[period]] that fluctuates between about 24 and 30 months.
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|Explanation=This oscillation is a manifestation of a downward propagation of winds with alternating sign.  This phenomenon is sometimes referred to as the stratospheric quasi-biennial oscillation to distinguish  it from other atmospheric features that also have spectral peaks near two years.
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== quasi-biennial oscillation ==
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<div class="definition"><div class="short_definition">An [[oscillation]] in the [[zonal]] winds of the equatorial [[stratosphere]] having  a [[period]] that fluctuates between about 24 and 30 months.</div><br/> <div class="paragraph">This oscillation is a manifestation of a downward propagation of winds with alternating sign.  This phenomenon is sometimes referred to as the stratospheric quasi-biennial oscillation to distinguish  it from other atmospheric features that also have spectral peaks near two years.</div><br/> </div>
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Latest revision as of 10:18, 30 March 2024

An oscillation in the zonal winds of the equatorial stratosphere having a period that fluctuates between about 24 and 30 months.

This oscillation is a manifestation of a downward propagation of winds with alternating sign. This phenomenon is sometimes referred to as the stratospheric quasi-biennial oscillation to distinguish it from other atmospheric features that also have spectral peaks near two years.

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