A Possible 2-Day Oscillation near the Tropical Stratopause1

Lawrence Coy Department of Atmospheric Sciences, University of Washington, Seattle 98195

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Abstract

An examination of daily meteorological rocket data taken during January and February 1977 at Kwajalein, Marshall Islands (9°N, 168°E) suggests the presence of a large oscillation in the meridional wind with a period near 2 days. Some rocket data taken concurrently at other stations is also presented. The Canal Zone station (9°N, 80°W) suggests a possible 2-day oscillation, while middle- and high-latitude stations show variability with periods ranging from 2–5 days.

Abstract

An examination of daily meteorological rocket data taken during January and February 1977 at Kwajalein, Marshall Islands (9°N, 168°E) suggests the presence of a large oscillation in the meridional wind with a period near 2 days. Some rocket data taken concurrently at other stations is also presented. The Canal Zone station (9°N, 80°W) suggests a possible 2-day oscillation, while middle- and high-latitude stations show variability with periods ranging from 2–5 days.

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