Relationship between autumn rainfall anomalies in South China and typhoons activity, and the anomalous sea surface temperature characteristics

Jia Zibing; Wu Liang; Wang Tongmei; Wen Zhiping

doi:10.3969/j.issn.0253-4193.2015.01.006

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Jia Zibing, Wu Liang, Wang Tongmei, Wen Zhiping. Relationship between autumn rainfall anomalies in South China and typhoons activity, and the anomalous sea surface temperature characteristics[J]. Haiyang Xuebao, 2015, 37(1): 53-62. doi: 10.3969/j.issn.0253-4193.2015.01.006

Citation:

Jia Zibing, Wu Liang, Wang Tongmei, Wen Zhiping. Relationship between autumn rainfall anomalies in South China and typhoons activity, and the anomalous sea surface temperature characteristics[J]. Haiyang Xuebao, 2015, 37(1): 53-62. doi: 10.3969/j.issn.0253-4193.2015.01.006

Citation:

Jia Zibing, Wu Liang, Wang Tongmei, Wen Zhiping. Relationship between autumn rainfall anomalies in South China and typhoons activity, and the anomalous sea surface temperature characteristics[J]. Haiyang Xuebao, 2015, 37(1): 53-62. doi: 10.3969/j.issn.0253-4193.2015.01.006

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Relationship between autumn rainfall anomalies in South China and typhoons activity, and the anomalous sea surface temperature characteristics

doi: 10.3969/j.issn.0253-4193.2015.01.006

1.
Research Center for Monsoon and Environment/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China;Guangdong Service Centre for Meteorological Science and Technology, Guangzhou 510080, China
2.
Research Center for Monsoon and Environment/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China;Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100190, China
3.
Research Center for Monsoon and Environment/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China

Received Date: 2014-01-29
Rev Recd Date: 2014-06-29

Abstract

Abstract

The observed relationship between autumn rainfall anomalies in the South China (SC) region and the typhoons activity, and the anomalous sea surface temperature characteristics has been examined using 41 a of the precipitation data of 168 stations in SC, NCEP-NCAR reanalysis, and best track tropical cyclone data. To a great extend, the abnormal of autumn precipitation in SC is determined by the Typhoons activity. When the SSTA (sea surface temperature anomaly) in eastern equatorial Pacific is negative (positive), the areas including the western tropical Pacific to South China Sea and the SC are dominated by anomalous eastern(western) wind, which is favorable (not favorable) for typhoons on western Pacific moving westward and for the increasing(decreasing) of TIF index. This will lead to the increasing (reducing) typhoons numbers that influence SC and result in more autumn precipitation than average in SC.
- autumn rainfall in the South China,
- typhoons,
- SST,
- zonal wind in middle and low troposphere

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References(24)

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