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Correlation Analysis of Persistent Heavy Rainfall Events in the Vicinity of the Yangtze River Valley and Global Outgoing Longwave Radiation in the Preceding Month


doi: 10.1007/s00376-009-8006-x

  • Based on the National Oceanic and Atmospheric Administration (NOAA) daily satellite dataset of global outgoing longwave radiation (OLR) for the period of 1974--2004 and the NCEP-NCAR reanalysis for 1971--2004, the linkage between persistent heavy rainfall (PHR) events in the vicinity of the Yangtze River valley and global OLR leading up to those events (with 1- to 30-day lag) was investigated. The results reveal that there is a significant connection between the initiation of PHR events over the study area and anomalous convective activity over the tropical Indian Ocean, maritime continent, and tropical western Pacific Ocean. During the 30-day period prior to the onset of PHR events, the major significantly anomalous convective centers have an apparent dipole structure, always with enhanced convection in the west and suppressed convection in the east. This dipole structure continuously shifts eastward with time during the 30-day lead period. The influence of the anomalous convective activity over the tropical oceans on the initiation of PHR events over the study area is achieved via an interaction between tropical and extratropical latitudes. More specifically, anomalous convective activity weakens the Walker circulation cell over the tropical Indian Ocean first. This is followed by a weakening of the Indian summer monsoon background state and the excitation and dispersion of Rossby wave activity over Eurasia. Finally, a major modulation of the large scale background circulation occurs. As a result, the condition of a phase-lock among major large scale circulation features favoring PHR events is established over the study area.
  • [1] Huijie WANG, Jianhua SUN, Shenming FU, Yuanchun ZHANG, 2021: Typical Circulation Patterns and Associated Mechanisms for Persistent Heavy Rainfall Events over Yangtze–Huaihe River Valley during 1981–2020, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 2167-2182.  doi: 10.1007/s00376-021-1194-8
    [2] FENG Lei, ZHANG Yaocun, 2007: Impacts of the Thermal Effects of Sub-grid Orography on the Heavy Rainfall Events Along the Yangtze River Valley in 1991, ADVANCES IN ATMOSPHERIC SCIENCES, 24, 881-892.  doi: 10.1007/s00376-007-0881-4
    [3] Zi-An GE, Lin CHEN, Tim LI, Lu WANG, 2022: How Frequently Will the Persistent Heavy Rainfall over the Middle and Lower Yangtze River Basin in Summer 2020 Happen under Global Warming?, ADVANCES IN ATMOSPHERIC SCIENCES, 39, 1673-1692.  doi: 10.1007/s00376-022-1351-8
    [4] Yuanchun ZHANG, Jianhua SUN, Shenming FU, 2017: Main Energy Paths and Energy Cascade Processes of the Two Types of Persistent Heavy Rainfall Events over the Yangtze River-Huaihe River Basin, ADVANCES IN ATMOSPHERIC SCIENCES, 34, 129-143.  doi: 10.1007/s00376-016-6117-8
    [5] Xiao PAN, Tim LI, Ying SUN, Zhiwei ZHU, 2021: Cause of Extreme Heavy and Persistent Rainfall over Yangtze River in Summer 2020, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 1994-2009.  doi: 10.1007/s00376-021-0433-3
    [6] WANG Xin, WANG Dongxiao, ZHOU Wen, LI Chongyin, 2012: Interdecadal Modulation of the Influence of La Nina Events on Mei-yu Rainfall over the Yangtze River Valley, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 157-168.  doi: 10.1007/s00376-011-1021-8
    [7] GUO Yufu, WANG Jia, ZHAO Yan, 2004: Numerical Simulation of the 1999 Yangtze River Valley Heavy Rainfall Including Sensitivety Experiments with Different SSTA, ADVANCES IN ATMOSPHERIC SCIENCES, 21, 23-33.  doi: 10.1007/BF02915677
    [8] WANG Shuzhou, YU Entao, WANG Huijun, 2012: A Simulation Study of a Heavy Rainfall Process over the Yangtze River Valley Using the Two-Way Nesting Approach, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 731-743.  doi: 10.1007/s00376-012-1176-y
    [9] BAO Ming, 2008: Relationship Between Persistent Heavy Rain Events in the Huaihe River Valley and the Distribution Pattern of Convective Activities in the Tropical Western Pacific Warm Pool, ADVANCES IN ATMOSPHERIC SCIENCES, 25, 329-338.  doi: 10.1007/s00376-008-0329-5
    [10] XIONG Zhe, WANG Shuyu, ZENG Zhaomei, FU Congbin, 2003: Analysis of Simulated Heavy Rain over the Yangtze River Valley During 11-30 June 1998 Using RIEMS, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 815-824.  doi: 10.1007/BF02915407
    [11] LI Fang, LIN Zhongda, 2015: Improving Multi-model Ensemble Probabilistic Prediction of Yangtze River Valley Summer Rainfall, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 497-504.  doi: 10.1007/s00376-014-4073-8
    [12] Lixia ZHANG, Dan ZHAO, Tianjun ZHOU, Dongdong PENG, Chan XIAO, 2021: Moisture Origins and Transport Processes for the 2020 Yangtze River Valley Record-Breaking Mei-yu Rainfall, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 2125-2136.  doi: 10.1007/s00376-021-1097-8
    [13] TANG Yanbing, GAN Jingjing, ZHAO Lu, GAO Kun, 2006: On the Climatology of Persistent Heavy Rainfall Events in China, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 678-692.  doi: 10.1007/s00376-006-0678-x
    [14] Chaofan LI, Wei CHEN, Xiaowei HONG, Riyu LU, 2017: Why Was the Strengthening of Rainfall in Summer over the Yangtze River Valley in 2016 Less Pronounced than that in 1998 under Similar Preceding El Niño Events?——Role of Midlatitude Circulation in August, ADVANCES IN ATMOSPHERIC SCIENCES, 34, 1290-1300.  doi: 10.1007/s00376-017-7003-8
    [15] Myung-Sook PARK, Chang-Hoi HO, Heeje CHO, Yong-Sang CHOI, 2015: Retrieval of Outgoing Longwave Radiation from COMS Narrowband Infrared Imagery, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 375-388.  doi: 10.1007/s00376-014-4013-7
    [16] Wu Renguang, Chen Lieting, 1998: Decadal Variation of Summer Rainfall in the Yangtze-Huaihe River Valley and Its Relationship to Atmospheric Circulation Anomalies over East Asia and Western North Pacific, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 510-522.  doi: 10.1007/s00376-998-0028-2
    [17] Zhixuan WANG, Jilin SUN, Jiancheng WU, Fangyue NING, Weiqi CHEN, 2020: Attribution of Persistent Precipitation in the Yangtze–Huaihe River Basin during February 2019, ADVANCES IN ATMOSPHERIC SCIENCES, 37, 1389-1404.  doi: 10.1007/s00376-020-0107-6
    [18] Cheng Minghu, He Huizhong, Mao Dongyan, Qi Yanjun, Cui Zhehu, Zhou Fengxian, 2001: Study of 1998 Heavy Rainfall over the Yangtze River Basin Using TRMM Data, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 387-396.  doi: 10.1007/BF02919317
    [19] Yang ZHAO, Xiangde XU, Bin CHEN, Yinjun Wang, 2016: The Upstream "Strong Signals" of the Water Vapor Transport over the Tibetan Plateau during a Heavy Rainfall Event in the Yangtze River Basin, ADVANCES IN ATMOSPHERIC SCIENCES, 33, 1343-1350.  doi: 10.1007/s00376-016-6118-7
    [20] HONG Jieli, LIU Yimin, 2012: Contrasts of Atmospheric Circulation and Associated Tropical Convection between Huaihe River Valley and Yangtze River Valley Mei-yu Flooding, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 755-768.  doi: 10.1007/s00376-012-1217-6

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Manuscript History

Manuscript received: 10 November 2009
Manuscript revised: 10 November 2009
通讯作者: 陈斌, bchen63@163.com
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Correlation Analysis of Persistent Heavy Rainfall Events in the Vicinity of the Yangtze River Valley and Global Outgoing Longwave Radiation in the Preceding Month

  • 1. Department of Earth Sciences, Zhejiang University, Hangzhou 310027,Zhejiang Meteorological Observatory, Hangzhou 310017,Department of Earth Sciences, Zhejiang University 310027

Abstract: Based on the National Oceanic and Atmospheric Administration (NOAA) daily satellite dataset of global outgoing longwave radiation (OLR) for the period of 1974--2004 and the NCEP-NCAR reanalysis for 1971--2004, the linkage between persistent heavy rainfall (PHR) events in the vicinity of the Yangtze River valley and global OLR leading up to those events (with 1- to 30-day lag) was investigated. The results reveal that there is a significant connection between the initiation of PHR events over the study area and anomalous convective activity over the tropical Indian Ocean, maritime continent, and tropical western Pacific Ocean. During the 30-day period prior to the onset of PHR events, the major significantly anomalous convective centers have an apparent dipole structure, always with enhanced convection in the west and suppressed convection in the east. This dipole structure continuously shifts eastward with time during the 30-day lead period. The influence of the anomalous convective activity over the tropical oceans on the initiation of PHR events over the study area is achieved via an interaction between tropical and extratropical latitudes. More specifically, anomalous convective activity weakens the Walker circulation cell over the tropical Indian Ocean first. This is followed by a weakening of the Indian summer monsoon background state and the excitation and dispersion of Rossby wave activity over Eurasia. Finally, a major modulation of the large scale background circulation occurs. As a result, the condition of a phase-lock among major large scale circulation features favoring PHR events is established over the study area.

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