Preprints
https://doi.org/10.5194/nhess-2021-126
https://doi.org/10.5194/nhess-2021-126

  04 May 2021

04 May 2021

Review status: this preprint is currently under review for the journal NHESS.

Pressure-forced meteotsunami occurrences in the eastern Yellow Sea over the past decade (2010–2019): monitoring guidelines

Myung‑Seok Kim1, Seung‑Buhm Woo1, Hyunmin Eom2, and Sung Hyup You2 Myung‑Seok Kim et al.
  • 1Department of Ocean Sciences, Inha University, Incheon 22212, Republic of Korea
  • 2Marine Meteorology Division, Korea Meteorological Administration, Seoul 07062, Republic of Korea

Abstract. The eastern Yellow Sea meteotsunami occurrences between 2010 and 2019 and guidelines derived using favourable conditions of pressure disturbance (10 min rate of air pressure change) for meteotsunami generation are described. A total of 34 meteotsunami events over the past decade can be classified based on a current meteotsunami monitoring and observation system. 1 min intervals of mean sea level pressure and sea level observations from 89 meteorological stations and 16 tide gauges are analysed. Most of the classified meteotsunami events (76 %, 26/34) in the eastern Yellow Sea are found to be between February and June during the winter-to-summer transition, which shows a strong seasonal trend. The meteotsunami occurrences are spatially frequent at the DaeHeuksando (DH) tide gauge, known as a beacon tide gauge of the observation system. It appears that the specific characteristics (intensity, occurrence rate, and propagation) of the pressure disturbance are in common on extreme meteotsunami events that are classified by applying the hazardous meteotsunami conditions among the 34 events. For a risk level assessment of the eastern Yellow Sea meteotsunami occurrences, favourable conditions of the pressure disturbance for meteotsunami generation are utilized. Overall, this study can provide useful and practical guidelines such as operation period, potential hot spot, and risk level to monitoring system operators when operating the monitoring system of the Yellow Sea.

Myung‑Seok Kim et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-126', Anonymous Referee #1, 19 May 2021
    • AC1: 'Reply on RC1', Myung-Seok Kim, 26 Jun 2021
  • RC2: 'Comment on nhess-2021-126', Anonymous Referee #2, 24 May 2021
    • AC2: 'Reply on RC2', Myung-Seok Kim, 26 Jun 2021
  • RC3: 'Comment on nhess-2021-126', Anonymous Referee #3, 24 May 2021
    • AC3: 'Reply on RC3', Myung-Seok Kim, 26 Jun 2021
    • AC4: 'Reply on RC3', Myung-Seok Kim, 26 Jun 2021

Myung‑Seok Kim et al.

Myung‑Seok Kim et al.

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Short summary
We present spatial and temporal trends of meteotsunami occurrence in the eastern Yellow Sea over the past ten years (2010–2019). In this study, the vulnerable conditions of the pressure disturbance (intensity, occurrence rate, and propagation) were be found on the classified 34 meteotsunami events. It is expected that the conditions can be applied to the current meteotsunami monitoring system in the Yellow Sea as specific guidelines and recommendations for the monitoring system operator.
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