The Possible Influence of Stratospheric Sudden Warming on East Asian Weather

By analyzing the linkage of the Northern Annular Mode （NAM） anomaly to the East Asian jet and the East Asian trough during Stratospheric Sudden Warming （SSW）, the influence of SSW on East Asian weather is studied. The results show that the East Asian jet is strengthened and the East Asian trough is...

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Bibliographic Details
Published in:Advances in atmospheric sciences 2008-09, Vol.25 (5), p.841-846
Main Author: 邓淑梅 陈月娟 罗涛 毕云 周后福
Format: Article
Language:English
Subjects:
Annular
Asian
Atmospheric circulation
Atmospheric Sciences
China
Climatology
Earth and Environmental Science
Earth Sciences
East Asia
Geophysics/Geodesy
Linkages
Meteorology
Stratosphere
Weather
Winter
东亚地区
同温层意外加温
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Summary:By analyzing the linkage of the Northern Annular Mode （NAM） anomaly to the East Asian jet and the East Asian trough during Stratospheric Sudden Warming （SSW）, the influence of SSW on East Asian weather is studied. The results show that the East Asian jet is strengthened and the East Asian trough is deepened during SSW. With the downward propagation of SSW, the strengthened East Asian jet and the East Asian trough would move southward, expand westward and gradually influence the area of north and northeastern China. This implies that the winter monsoon tends to be enhanced over East Asia during SSW.
ISSN:0256-1530
1861-9533
DOI:10.1007/s00376-008-0841-7