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자료유형
학술저널
저자정보
저널정보
한국기상학회 Asia-Pacific Journal of Atmospheric Sciences 한국기상학회지 제40권 제1호
발행연도
2004.2
수록면
87 - 99 (13page)

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The vertically integrated liquid-water content(VIL) presents a three dimensional characteristics of a storm system in a two dimensional display, and thus is often used for analyzing severe storms because a rapid increase in VIL is an indication of intensification of severe storms. The present study analyzed the develoment of rain band of a summertime convective system using VIL and its product obtained from the TDWR(Terminal Doppler Weather Radar) observations at Incheon International Airport. The analysis of VIL and its product for a convective precipitation system was made during the period from 02 LST 7 August to 06 LST 7 August 2002. According to the rainfall observation at the airport, the maximum rainfall intensity of 32.1 ㎜/h was observed from 03 LST to 04 LST 7 August 2002. The analysis result indicates that the width of main rain band was about 15 km and moved to southeast with a speed of 15 km per hour. The most effective mechanism responsible for the rainfall development occurred below about 6 km, and the region of radar reflectivity of greater than 35 dBZ, which was related with precipitation, was mainly located below 4 km. The present study may indicate that the VIL and VIL difference provide more detailed useful information on convective precipitation band than PPI and CAPPI, and can be used as an aid in the nowcasting of the development of rain band and its movement. This is because the VIL analysis is able to predict moving direction, velocity and intensity of the precipitation band in more efficient way, compared to the images of PPI and CAPPI.

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Abstract
1. 서론
2. 관측 자료
3. 액체수함량, VIL과 VIL의 국지변화
4. 분석 결과
5. 요약 및 결론
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