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http://dx.doi.org/10.5467/JKESS.2012.33.2.148

Atmospheric Vertical Structure of Heavy Rainfall System during the 2010 Summer Intensive Observation Period over Seoul Metropolitan Area  

Kim, Do-Woo (Multi-Hazard Research Division, National Disaster Management Institute)
Kim, Yeon-Hee (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Kim, Ki-Hoon (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Shin, Seung-Sook (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Kim, Dong-Kyun (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Hwang, Yoon-Jeong (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Park, Jong-Im (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Choi, Da-Young (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Lee, Yong-Hee (Forecast Research Laboratory, National Institute of Meteorological Research, KMA)
Publication Information
Journal of the Korean earth science society / v.33, no.2, 2012 , pp. 148-161 More about this Journal
Abstract
The intensive observation (ProbeX-2010) with 6-hour launches of radiosonde was performed over Seoul metropolitan area (Dongducheon, Incheon Airport, and Yangpyeong) from 13 Aug. to 3 Sep. 2010. Five typical heavy rainfall patterns occurred consecutively which are squall line, stationary front, remote tropical cyclone (TC), tropical depression, and typhoon patterns. On 15 Aug. 03 KST, when squall line developed over Seoul metropolitan area, dry mid-level air was drawn over warm and moist low-level air, inducing strong convective instability. From 23 to 26 Aug and from 27 to 29 Aug. Rainfall event occurred influenced by stationary front and remote TC, respectively. During the stationary frontal rainy period, thermal instability was dominant in the beginning stage, but dynamic instability became strong in the latter stage. Especially, heavy rainfall occurred on 25 Aug. when southerly low level jet formed over the Yellow Sea. During the rainy period by the remote TC, thermal and dynamic instability sustained together. Especially, heavy rainfall event occurred on 29 Aug. when the tropical air with high equivalent potential temperature (>345 K) occupied the deep low-middle level. On 27 Aug. and 2 Sep. tropical depression and typhoon Kompasu affected Seoul metropolitan area, respectively. During these events, dynamic instability was very strong.
Keywords
ProbeX-2010; heavy rainfall; radiosonde; Seoul Metropolitan Area;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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