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Volume 21 Issue 6

Nov.  2004

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Article >  ADVANCES IN ATMOSPHERIC SCIENCES  > 2004 >  21(6): 923-927

Impacts of Cloud-Induced Mass Forcing on the Development of Moist Potential Vorticity Anomaly During Torrential Rains

  • 1.

    Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Beijing University of Technology, Beijing,100022


doi: 10.1007/BF02915594

  • The impacts of cloud-induced mass forcing on the development of the moist potential vorticity (MPV)anomaly associated with torrential rains are investigated by using NCEP/NCAR 1°× 1° data. The MPV tendency equation with the cloud-induced mass forcing is derived, and applied to the torrential rain event over the Changjiang River-Huaihe River Valleys during 26-30 June 1999. The result shows that positive anomalies are located mainly between 850 hPa and 500 hPa, while the maximum MPV, maximum positive tendency of the MPV, and maximum surface rainfall are nearly collocated. The cloud-induced mass forcing contributes to the positive tendency of the moist potential vorticity anomaly. The results indicate that the MPV may be used to track the propagation of rain systems for operational applications.
  • [1] Lu LIU, Lingkun RAN, Shouting GAO, 2016: Evolution of Instability before and during a Torrential Rainstorm in North China, ADVANCES IN ATMOSPHERIC SCIENCES, 33, 110-120.  doi: 10.1007/s00376-015-5080-0
    [2] XU Xiangde, MIAO Qiuju, WANG Jizhi, ZHANG Xuejin, 2003: The Water Vapor Transport Model at the Regional Boundary during the Meiyu Period, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 333-342.  doi: 10.1007/BF02690791
    [3] Shou Shaowen, Liu Yaohui, 1999: Study on Moist Potential Vorticity and Symmetric Instability during a Heavy Rain Event Occurred in the Jiang-Huai Valleys, ADVANCES IN ATMOSPHERIC SCIENCES, 16, 314-321.  doi: 10.1007/BF02973091
    [4] WANG Pengyun, YANG Jing, 2003: Observation and Numerical Simulation of Cloud Physical Processes Associated with Torrential Rain of the Meiyu Front, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 77-96.  doi: 10.1007/BF03342052
    [5] Zuohao CAO, Da-Lin ZHANG, 2004: Tracking Surface Cyclones with Moist Potential Vorticity, ADVANCES IN ATMOSPHERIC SCIENCES, 21, 830-835.  doi: 10.1007/BF02916379
    [6] Zuohao CAO, Da-Lin ZHANG, 2005: Sensitivity of Cyclone Tracks to the Initial Moisture Distribution: A Moist Potential Vorticity Perspective, ADVANCES IN ATMOSPHERIC SCIENCES, 22, 807-820.  doi: 10.1007/BF02918681
    [7] Zuohao Cao, G.W.K. Moore, 1998: A Diagnostic Study of Moist Potential Vorticity Generation in an Extratropical Cyclone, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 152-166.  doi: 10.1007/s00376-998-0036-2
    [8] CUI Xiaopeng, GAO Shouting, WU Guoxiong, 2003: Up-Sliding Slantwise Vorticity Development and the Complete Vorticity Equation with Mass Forcing, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 825-836.  doi: 10.1007/BF02915408
    [9] Chen SHENG, Bian HE, Guoxiong WU, Yimin LIU, Shaoyu ZHANG, 2022: Interannual Influences of the Surface Potential Vorticity Forcing over the Tibetan Plateau on East Asian Summer Rainfall, ADVANCES IN ATMOSPHERIC SCIENCES, 39, 1050-1061.  doi: 10.1007/s00376-021-1218-4
    [10] Wei TAO, Linlin ZHENG, Ying HAO, Gaoping LIU, 2023: An Extreme Gale Event in East China under the Arctic Potential Vorticity Anomaly through the Northeast China Cold Vortex, ADVANCES IN ATMOSPHERIC SCIENCES, 40, 2169-2182.  doi: 10.1007/s00376-023-2255-y
    [11] Brian HOSKINS, 2015: Potential Vorticity and the PV Perspective, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 2-9.  doi: 10.1007/s00376-014-0007-8
    [12] HUANG Yongjie, CUI Xiaopeng, 2015: Dominant Cloud Microphysical Processes of a Torrential Rainfall Event in Sichuan, China, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 389-400.  doi: 10.1007/s00376-014-4066-7
    [13] Gang LI, Daoyong YANG, Xiaohua JIANG, Jing PAN, Yanke TAN, 2017: Diagnosis of Moist Vorticity and Moist Divergence for a Heavy Precipitation Event in Southwestern China, ADVANCES IN ATMOSPHERIC SCIENCES, 34, 88-100.  doi: 10.1007/s00376-016-6124-9
    [14] Zhao Bolin, 1990: Study on Microwave Remote Sensing of Atmosphere, Cloud and Rain, ADVANCES IN ATMOSPHERIC SCIENCES, 7, 475-490.  doi: 10.1007/BF03342566
    [15] ZHAI Guoqing, LI Xiaofan, ZHU Peijun, SHEN Hangfeng, ZHANG Yuanzhi, 2014: Surface Rainfall and Cloud Budgets Associated with Mei-yu Torrential Rainfall over Eastern China during June 2011, ADVANCES IN ATMOSPHERIC SCIENCES, 31, 1435-1444.  doi: 10.1007/s00376-014-3256-7
    [16] Chanh Q. KIEU, Da-Lin ZHANG, 2012: Is the Isentropic Surface Always Impermeable to the Potential Vorticity Substance?, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 29-35.  doi: 10.1007/s00376-011-0227-0
    [17] Xinyong SHEN, Wenyan HUANG, Chunyan GUO, Xiaocen JIANG, 2016: Precipitation Responses to Radiative Effects of Ice Clouds: A Cloud-Resolving Modeling Study of a Pre-Summer Torrential Precipitation Event, ADVANCES IN ATMOSPHERIC SCIENCES, 33, 1137-1142.  doi: 10.1007/s00376-016-5218-8
    [18] REN Rongcai, Ming CAI, 2006: Polar Vortex Oscillation Viewed in an Isentropic Potential Vorticity Coordinate, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 884-900.  doi: 10.1007/s00376-006-0884-6
    [19] Olivia MARTIUS, Cornelia SCHWIERZ, Michael SPRENGER, 2008: Dynamical Tropopause Variability and Potential Vorticity Streamers in the Northern Hemisphere ---A Climatological Analysis, ADVANCES IN ATMOSPHERIC SCIENCES, 25, 367-380.  doi: 10.1007/s00376-008-0367-z
    [20] Hong WANG, Wenqing WANG, Jun WANG, Dianli GONG, Dianguo ZHANG, Ling ZHANG, Qiuchen ZHANG, 2021: Rainfall Microphysical Properties of Landfalling Typhoon Yagi (201814) Based on the Observations of Micro Rain Radar and Cloud Radar in Shandong, China, ADVANCES IN ATMOSPHERIC SCIENCES, 38, 994-1011.  doi: 10.1007/s00376-021-0062-x
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    • Manuscript History

    Manuscript received: 10 November 2004
    Manuscript revised: 10 November 2004
    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

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    Impacts of Cloud-Induced Mass Forcing on the Development of Moist Potential Vorticity Anomaly During Torrential Rains

    • 1. Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,100029,Beijing University of Technology, Beijing,100022
    • Manuscript received: 2004-11-10
    • Manuscript revised: 2004-11-10

    Abstract: The impacts of cloud-induced mass forcing on the development of the moist potential vorticity (MPV)anomaly associated with torrential rains are investigated by using NCEP/NCAR 1°× 1° data. The MPV tendency equation with the cloud-induced mass forcing is derived, and applied to the torrential rain event over the Changjiang River-Huaihe River Valleys during 26-30 June 1999. The result shows that positive anomalies are located mainly between 850 hPa and 500 hPa, while the maximum MPV, maximum positive tendency of the MPV, and maximum surface rainfall are nearly collocated. The cloud-induced mass forcing contributes to the positive tendency of the moist potential vorticity anomaly. The results indicate that the MPV may be used to track the propagation of rain systems for operational applications.

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