There were 35 typhoons affecting Korean Peninsula from 1999 to 2009(The average annual number of typhoon is 3.18). Among these typhoons, the number of typhoon passing through the Yellow sea, the Southern sea and the East sea were 14, 6 and 15 respectively. Wind speed on the height of 10 m can be finally estimated using the surface roughness after we calculate wind speed on the height of 300 m from the data on the surface of 700 hPa. From the wind speeds on the height of 10 m, we can understand the regional distributions of strong wind speed are very different according to the typhoon tracks. Wind speed range showing the highest frequency is 10~20 m/s(45.69%), below 10 m/s(30.72%) and 20~30 m/s(17.31%) in high order. From the analysis of the wind speed on the hight of 80 m, we can know the number of occurrence of wind speed between 50 and 60 m/s that can affect wind power generation are 104(0.57%) and those of between 60 and 70 m/s that can be considered as extreme wind speed are even 8(0.04%).

Abstract
 1. 서 론
 2. 자료 및 방법
  2.1. 연구자료
  2.2. 연구방법
 3. 결과 및 고찰
  3.1. 한반도에 영향을 준 태풍 선정
  3.2. 10 m 고도에서의 극한 풍속
  3.3. 80 m 고도에서의 극한 풍속
 4. 결론
 REFERENCE

• 정우식(인제대학교 대기환경정보공학과/대기환경정보연구센터) | Woo-Sik Jung (Department of Atmospheric Environment Information Engineering/Atmospheric Environment Information Research Center, Inje University) Corresponding author