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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국기상학회 Asia-Pacific Journal of Atmospheric Sciences Asia-Pacific Journal of Atmospheric Sciences Vol.45 No.1
- 발행연도
- 2009.2
- 수록면
- 71 - 89 (19page)
이용수
초록· 키워드
오류제보하기
A record-breaking heavy rainfall with a local maximum of 829.5 ㎜ and a maximum intensity of 95 ㎜ h<SUP>-1</SUP> occurred over Jeju Island, Korea, on 14-16 September 2007. The objective of this study is to examine the capability of the Weather Research and Forecasting (WRF) model in reproducing such a disastrous heavy rainfall. The WRF model is forced by 6-hourly National Centers for Environmental Prediction (NCEP)-Final analysis (FNL) data for 60 hours from 00 UTC 14 to 12 UTC 16 September 2007. A series of quantitative precipitation forecast experiments is carried out by inserting a bogus vortex and changing the domain size, nesting method, physics options, and horizontal grid size. The high-resolution WRF model is capable of reproducing the observed record-breaking rainfall fairly well, even though the model is initialized by a conventional global analysis. The discrepancy in the typhoon movement between the simulation and observation is moderated by inserting a bogus vortex. The quantitative predictability of heavy rainfall over Jeju Island is improved when the outmost domain is smaller than that covering the nominal East-Asian region, indicating that a correct representation of the initial structure of the typhoon is needed to provide the appropriate synoptic-scale environment associated with heavy rainfall. The nesting method of a one-way versus two-way interaction and the choice of physics package do not improve the predictability of such an extreme rainfall event; especially, changes in the cumulus parameterization and planetary boundary layer processes seriously degrade the predictability over the island, indicating realistic designs of these two physics processes are critical in improving the quantitative predictability of heavy rainfall over Korea. It is also concluded that the horizontal grid-spacing of 3-㎞ or less is needed for the success of quantitative precipitation forecast in terms of the rainfall amount and intensity.
목차
Abstract
1. Introduction
2. A Brief Synoptic Overview
3. Model Setup
4. Results
5. Concluding remarks
REFERENCES
참고문헌 (28)
참고문헌 신청
1. [기타자료] - Anthes, R. A / 1987 / Description of the Penn State/NCAR mesoscale model version 4 (MM4) / NCAR Technical Note : 66 ~
2. [학술지(정기간행물)] - Braun, S. A / 2000 / Sensitivity of high‐resolution simulations of hurricane Bob (1991) to planetary boundary layer parameterizations / Mon. Wea. Rev. 128 : 3941 ~ 3961
3. [학술지(정기간행물)] - Chang, D.‐E / 1989 / A simulation study of the tropical cyclone Vera using a mesoscale numerical model / J. Korean Meteor. Soc 25 : 148 ~ 167
4. [학술지(정기간행물)] - Chen, F / 2001 / Coupling an advanced landsurface/ hydrology model with the Penn State‐NCAR MM5 modeling system. PartⅠ: Model implementation and sensitivity / Mon. Wea. Rev. 129 : 569 ~ 585
5. [학술지(정기간행물)] - Dudhia, J / 1989 / Numerical study of convection observed during the winter monsoon experiment using a mesoscale two‐dimensional model / J. Atmos. Sci. 46 : 3077 ~ 3107
2. [학술지(정기간행물)] - Braun, S. A / 2000 / Sensitivity of high‐resolution simulations of hurricane Bob (1991) to planetary boundary layer parameterizations / Mon. Wea. Rev. 128 : 3941 ~ 3961
3. [학술지(정기간행물)] - Chang, D.‐E / 1989 / A simulation study of the tropical cyclone Vera using a mesoscale numerical model / J. Korean Meteor. Soc 25 : 148 ~ 167
4. [학술지(정기간행물)] - Chen, F / 2001 / Coupling an advanced landsurface/ hydrology model with the Penn State‐NCAR MM5 modeling system. PartⅠ: Model implementation and sensitivity / Mon. Wea. Rev. 129 : 569 ~ 585
5. [학술지(정기간행물)] - Dudhia, J / 1989 / Numerical study of convection observed during the winter monsoon experiment using a mesoscale two‐dimensional model / J. Atmos. Sci. 46 : 3077 ~ 3107
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