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Characteristics and Preliminary Causes of Tropical Cyclone Remote Precipitation over China

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In this study,the characteristics and preliminary causes of tropical cyclone remote precipitation(TRP)over China during the period from 1979 to 2020 are investigated.Results indicated that approximately 72.42%of tropical cyclones(TCs)in the Western Pacific produce TRP over China.The peak months for TRP are July and August.The four key regions of TRP are the adjacent areas between the Sichuan and Shaanxi Provinces,the northern coast of the Bohai Sea,the coast of the Yellow Sea,and the southern coast area.The typical distance between the station with TRP and the TC center ranges from 1500 to 2500 km.Most of these stations are situated north to 60˚ west of north of the TC.The south-west water vapor transportation on the west side of the TC is crucial to TRP.TRP has a decreasing trend because of the decrease in the number of TCs that generate TRP.From the perspective of large-scale environmental conditions,a decrease in the integrated horizontal water vapor transport in Mainland China,the weakening of upward motion at approximately 25˚-35˚N,which is inconducive to convection,and an increase in low-level vertical wind shear,which is unfavorable for the development of TC in areas with high frequencies of TRP-related TCs,are the factors that result in the decreasing trend of TRP.

tropical cycloneremote precipitationcharacteristicscauses

JIA Li、REN Fumin、MCBRIDE John Leonard、CONG Chunhua

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School of Atmospheric Science,Nanjing University of Information Science and Technology,Nanjing 210044,China

State Key Laboratory of Severe Weather,Chinese Academy of Meteorological Sciences,Beijing 100081,China

School of Earth Science,University of Melbourne,Melbourne 3052,Australia

Research and Development Division,Bureau of Meteorology,Melbourne 3052,Australia

Shandong Meteorological Bureau,Jinan 250031,China

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Postgraduate Research&Practice Innovation Program of Jiangsu ProvinceNational Natural Scientific Foundation of ChinaBasic Research Fund of CAMSKey Laboratory of South China Sea Meteorological Disaster Prevention and Mitigation of Hainan ProvinceJiangsu Collaborative Innovation Center for Climate Change

KYCX22_1136422750372023Z016SCSF202202

2024

10.1007/s11802-024-5760-4

中国海洋大学学报(自然科学英文版)
中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCD
影响因子：0.268
ISSN：1672-5182
年,卷(期)：2024.23(4)
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