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Korean Meteorological Society (한국기상학회)
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Investigation of Goyang Tornado Outbreak Using X-band Polarimetric Radar: 10 June 2014

X밴드 이중편파레이더를 활용한 고양 토네이도 발생 사례 분석: 2014년 6월 10일

  • Jeong, Jong-Hoon (Numerical Data Application Division, National Institute of Meteorological Sciences, KMA) ;
  • Kim, Yeon-Hee (Applied Meteorology Research Division, National Institute of Meteorological Sciences, KMA) ;
  • Oh, Su-Bin (Numerical Data Application Division, National Institute of Meteorological Sciences, KMA) ;
  • Lim, Eunha (Observation Research Division, National Institute of Meteorological Sciences, KMA) ;
  • Joo, Sangwon (Numerical Data Application Division, National Institute of Meteorological Sciences, KMA)
  • 정종훈 (기상청 국립기상과학원 수치자료응용과) ;
  • 김연희 (기상청 국립기상과학원 응용기상연구과) ;
  • 오수빈 (기상청 국립기상과학원 수치자료응용과) ;
  • 임은하 (기상청 국립기상과학원 관측기반연구과) ;
  • 주상원 (기상청 국립기상과학원 수치자료응용과)
  • Received : 2015.11.19
  • Accepted : 2016.01.04
  • Published : 2016.03.31
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Abstract

On 10 July 2014, tornado outbreak occurred over Goyang province in Korea. This was the first supercell tornado ever reported or documented in Korea. The characteristics of the supercell tornado were investigated using an X-band polarimetric radar, surface meteorological observation, wind profiler, and operational numerical weather prediction (Regional Data Assimilation and Prediction System, RDAPS). The supercell tornado developed along a preexisting dryline that was contributed to surface wind shear. The radar analyses examined here show that the supercell tornado indicated a hook echo with mesocyclone. The decending reflectivity core as well was detected before tornadogenesis and prior to intensification of supercell. The supercell tornado exhibited characteristics similar to typical supercell tornado over the Great Plains of the United States, such as hook echo, bounded weak echo region, and slower movement speed relative to the mean wind. Compared to the typical supercell tornado over U.S., this tornado showed horizontal scale of the mesocyclone was relatively smaller and left-mover.

Keywords

References

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