Climate Dynamics

, Volume 46, Issue 3–4, pp 745–763 | Cite as

Spatial and diurnal variations of storm heights in the East Asia summer monsoon: storm height regimes and large-scale diurnal modulation

  • Myung-Sook Park
  • Myong-In LeeEmail author
  • Hyerim Kim
  • Jungho Im
  • Jung-Moon Yoo


This study investigates the spatial and diurnal variation of storm height in the East Asia summer monsoon region using 13-year Tropical Rainfall Measuring Mission Precipitation Radar data. Precipitating storms are classified as shallow (<5 km), middle (5–10 km), and deep (>10 km) depending the height. Four different regimes are identified to characterize the region: the continental (CT) shallow regime over inland China with elevated terrain, the CT deep over the Chinese Plain, the coastal (CS) middle over the East China Sea and South Sea of Korea, and the CS shallow over the south coastal area of Japan. This regime separation reflects well the distinctive regional difference in the rainfall contribution by each storm type. The occurrence frequencies of shallow, middle, and deep storms exhibit pronounced diurnal variation as well, but with significant differences in the amplitude and phase across the regimes. These lead to a diversity in the diurnal variation of surface rainfall such as bimodal morning and late evening peaks in the two CT regimes and the single morning peak in the two CS regimes. Processes involved in the diurnal variation of storms are different across the regimes, indicating difference in the contributing role of surface heating, large-scale diurnal circulation, and diurnal propagations of convective systems. The storm height also affects the rain intensity. This study highlights that the East Asia summer monsoon has distinctive sub-regional variation of the storm height distribution, thereby providing unique differences in the rainfall amount, intensity, and the diurnal variation.


Precipitation Storm height TRMM Diurnal variation 



This study was supported by the Korea Meteorological Administration Research and Development Program under Grant APCC 2013-3141. JMY was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2009-0083527).


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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Myung-Sook Park
    • 1
  • Myong-In Lee
    • 1
    Email author
  • Hyerim Kim
    • 1
  • Jungho Im
    • 1
  • Jung-Moon Yoo
    • 2
  1. 1.School of Urban and Environmental EngineeringUlsan National Institute of Science and Technology (UNIST)UlsanRepublic of Korea
  2. 2.Department of Science EducationEwha Womans UniversitySeoulRepublic of Korea

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