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Atmospheric Analysis on the Meteo-tsunami Case Occurred on 31 March 2007 at the Yellow Sea of South Korea

2007년 3월 31일 서해에서 발생한 기상해일에 대한 기상학적 분석

  • Received : 2014.08.29
  • Accepted : 2014.11.10
  • Published : 2014.12.31

Abstract

A meteo-tsunami occurred along the coastline of South Korea on 31 March 2007, with an estimated maximum amplitude of 240 cm in Yeonggwang (YG). In this study, we investigated the synoptic weather systems around the Yellow sea including the Bohai Bay and Shandong Peninsula using a weather research and forecast model and weather charts of the surface pressure level, upper pressure level and auxiliary analysis. We found that 4-lows passed through the Yellow sea from the Shandung Peninsula to Korea during 5 days. Moreover, the passage of the cold front and the locally heavy rain with a sudden pressure change may make the resonance response in the near-shore and ocean with a regular time-lag. The sea-level pressure disturbance and absolute vorticity in 500 hPa projected over the Yellow sea was propagated with a similar velocity to the coastline of South Korea at the time that meteo-tsunami occurred.

Keywords

Meteo-tsunami;Synoptic weather analysis;Pressure jump;Atmosphere-ocean interaction;Yellow sea

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Cited by

  1. The Cause of Abnormal Tidal Residuals Along the Coast of the Yellow Sea in November 2013 vol.22, pp.4, 2016, https://doi.org/10.7837/kosomes.2016.22.4.344
  2. A Study on the Meteorological Threshold of the Meteo-Tsunami Occurrence in the Yellow Sea, Korea vol.27, pp.1, 2018, https://doi.org/10.5322/JESI.2018.27.1.11

Acknowledgement

Supported by : 기상청