Excessive development of low pressure and generation of high waves in the west sea of Korea during October 2005

Sang-Ho Oh, Weon-Mu Jeong

Tuesday 30 june 2015

11:45 - 12:00h at North America (level 0)

Themes: (T) Extreme events, natural variability and climate change, (ST) Hydrological extremes: floods and droughts

Parallel session: 5I. Extreme events - FloodDrought

Characteristics of an extreme wave event occurred on the west coast of Korea in October 2005 were investigated by analyzing the wave data observed at multiple observation locations. It was clarified that the high waves occurred due to strong wind fields that were formed on the west sea of Korea when extra-tropical cyclone was excessively developed over the sea. By tracing the central locations of the low pressure system, it was possible to understand the traveling path of the low pressure during the high wave event. The high waves generated in the Korean west sea were found to be predominantly wind sea since the temporal variation of the wave height at the coast were closely related to that of the wind speed at several weather stations that are located seaward from the wave observation locations.