- Volume 23 Issue 10
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Study on the Synoptic Meteorological Characteristics of Windstorms Occurring on the Korean Peninsula
- Park, Jong-Kil (Dept. of Environmental Engineering, Atmospheric Environment Information Research Center, Inje University) ;
- Jung, Woo-Sik (Dept. of Atmospheric Environment Information Engineering, Atmospheric Environment Information Research Center, Inje University) ;
- Kim, Eun-Byul (Atmospheric Environment Information Research Center, Inje University) ;
- Lee, Bo-Ram (Dept. of Atmospheric Environment Information Engineering, Atmospheric Environment Information Research Center, Inje University)
- Received : 2014.08.22
- Accepted : 2014.10.20
- Published : 2014.10.31
Although most natural disaster related studies conducted in Korea recently have been related to typhoons or severe rainstorms, the occurrence frequency of disasters due to windstorms or rainstorms is also high. To reduce the strong wind damage caused by strong windstorms due to climate change, basic studies of strong winds are necessary. Therefore, in this study, the types and representative cases of windstorms that were observed to have been higher than 14 m/s, which is the criterion for strong-wind warnings from the Korea Meteorological Administration, were selected from among those windstorm cases that occurred on the Korean Peninsula for 10 years to conduct a statistical analysis of them and determine their synoptic meteorological characteristics. The cases of windstorms occurring on the Korean Peninsula were divided into six weather patterns according to the locations of the anticyclones/cyclones. Among these types, the SH type, which occurs when Siberian Highs expand into the Korean Peninsula, showed the highest occurrence frequency, accounting for at least the majority of the entire occurrence frequency of windstorms together with that of the EC type, which occurs when cyclones develop on the East Sea, and there was no clear yearly trend of the occurrence frequencies of windstorms. The monthly occurrence frequencies of windstorms were formed mainly by typhoons in the summer and the Siberian Highs in the winter, and the months with the highest windstorm occurrence frequencies were December and January, in which mainly the SH and EC type windstorms occurred. March showed the next highest occurrence frequency with10 times, and SH windstorms occurred the most frequently in March, followed by the CC, SC, and EC types of windstorms, in order of precedence. Therefore, attention to these types of windstorms is required. Countermeasures against storm and flood damage in Korea targeting the summer should be re-reviewed together with pre-disaster prevention plans, because cases of storm and flood damage due to windstorms occur more frequently than those due to typhoons, and they occur throughout the year.
Supported by : National Research Foundation of Korea(NRF)
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