View source for Subtropical easterlies index



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== subtropical easterlies index ==
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<div class="definition"><div class="short_definition">A measure of the strength of the easterly [[surface wind]] between the  latitudes of 20&#x000b0; and 35&#x000b0;N.</div><br/> <div class="paragraph">The index is computed from the average [[sea level pressure]] difference between these latitudes  and is expressed as the east to west component of the corresponding [[geostrophic wind]] to the  tenth of a meter per second. <br/>''Compare'' [[zonal index]], [[polar-easterlies index]], [[temperate-westerlies index|temperate-westerlies  index]].</div><br/> </div>
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