Climatic Study on the Summer Tropical Easterly Jet at 200 hPa

Lu Jingxi; Ding Yihui

doi:10.1007/BF02658017

Impact Factor: 5.8

Volume 6 Issue 2

Apr. 1989

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1989 > 6(2): 215-226

Climatic Study on the Summer Tropical Easterly Jet at 200 hPa

1.
National Research Center for Marine Environment Forecasts, State Oceanic Administration, Beijing,Academy of Meteorology Science, State Meteorological Administration, Beijing

doi: 10.1007/BF02658017

Abstract
References
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Abstract:
The low latitude easterlies at 200 hPa in summer (May-October) is analysed climatically during the 13-year period from 1968 to 1980, with a special emphasis on the relationship between the anomalous tropical easterly jet stream over South Asia and the low latitude atmospheric circulation, and also the summer monsoon precipitation in India. The compositing analysis shows that the tropical easterly jet stream over South Asia has five anomalous patterns at 200 hPa i.e. the western pattern, middle pattern, eastern pattern, two-branch pattern and multi-core pattern. Evidence has shown that the precipitaion in India anomalously increased during the anomalous period of the western pattern and the middle pattern, but reverse case is true in the eastern pattern. Some different anomalies of the precipitation in different area of India were found during the other two anomalous pattern.
References

[1]	Lu Jingxi, Ding Yihui, 1989: Medium-Range Oscillations in the Summer Tropical Easterlies at 200 hPa, ADVANCES IN ATMOSPHERIC SCIENCES, 6, 301-312. doi: 10.1007/BF02661536
[2]	Ruifen ZHAN, Yuqing WANG, Yihui DING, 2022: Impact of the Western Pacific Tropical Easterly Jet on Tropical Cyclone Genesis Frequency over the Western North Pacific, ADVANCES IN ATMOSPHERIC SCIENCES, 39, 235-248. doi: 10.1007/s00376-021-1103-1
[3]	Zhang Ren, 1996: Characteristics of Soliton with Dynamic Constraints on its Existence / Propagation in Tropical Easterly Wave, ADVANCES IN ATMOSPHERIC SCIENCES, 13, 325-339. doi: 10.1007/BF02656850
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[17]	Sining LING, Riyu LU, Hao LIU, Yali YANG, 2023: Interannual Meridional Displacement of the Upper-Tropospheric Westerly Jet over Western East Asia in Summer, ADVANCES IN ATMOSPHERIC SCIENCES, 40, 1298-1308. doi: 10.1007/s00376-022-2279-8
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[20]	Yu Rucong, Li Wei, Zhang Xuehong, LiuYimin, Yu Yongqiang, Liu Hailong, Zhou Tianjun, 2000: Climatic Features Related to Eastern China Summer Rainfalls in the NCAR CCM3, ADVANCES IN ATMOSPHERIC SCIENCES, 17, 503-518. doi: 10.1007/s00376-000-0014-9

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Manuscript History

Manuscript received: 10 April 1989

Manuscript revised: 10 April 1989

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Climatic Study on the Summer Tropical Easterly Jet at 200 hPa

1. National Research Center for Marine Environment Forecasts, State Oceanic Administration, Beijing,Academy of Meteorology Science, State Meteorological Administration, Beijing

Manuscript received: 1989-04-10
Manuscript revised: 1989-04-10

Abstract: The low latitude easterlies at 200 hPa in summer (May-October) is analysed climatically during the 13-year period from 1968 to 1980, with a special emphasis on the relationship between the anomalous tropical easterly jet stream over South Asia and the low latitude atmospheric circulation, and also the summer monsoon precipitation in India. The compositing analysis shows that the tropical easterly jet stream over South Asia has five anomalous patterns at 200 hPa i.e. the western pattern, middle pattern, eastern pattern, two-branch pattern and multi-core pattern. Evidence has shown that the precipitaion in India anomalously increased during the anomalous period of the western pattern and the middle pattern, but reverse case is true in the eastern pattern. Some different anomalies of the precipitation in different area of India were found during the other two anomalous pattern.