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http://dx.doi.org/10.14191/Atmos.2016.26.1.047

Investigation of Goyang Tornado Outbreak Using X-band Polarimetric Radar: 10 June 2014  

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)
Publication Information
Atmosphere / v.26, no.1, 2016 , pp. 47-58 More about this Journal
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
Supercell tornado; X-band polarimetric radar; Korea;
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