A Possible Influence of the Polar Night Stratospheric Jet on the Subtropical Tropospheric Jet
- 1 January 1991
- journal article
- Published by Meteorological Society of Japan in Journal of the Meteorological Society of Japan. Ser. II
- Vol. 69 (6) , 715-721
- https://doi.org/10.2151/jmsj1965.69.6_715
Abstract
According to Nigam (1990), the first mode of his EOF analysis mainly represents variabilities in the zonal-mean zonal wind related to the displacement of the tropospheric subtropical jet. The present results of a lagged correlation analysis reveal that perturbations in zonal-mean zonal winds first occur in the stratosphere and then propagate into the subtropical troposphere. Numerical experiments with a general circulation model also indicate that the initial perturbations in the stratosphere can cause appreciable changes in the subtropical tropospheric jet.Keywords
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