Responses of Vertical Structures in Convective and Stratiform Regions to Large-Scale Forcing during the Landfall of Severe Tropical Storm Bilis (2006)

WANG Donghai; Xiaofan LI; Wei-Kuo TAO

doi:10.1007/s00376-009-8139-y

Impact Factor: 5.8

Volume 27 Issue 1

Jan. 2010

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 2010 > 27(1): 33-46

Responses of Vertical Structures in Convective and Stratiform Regions to Large-Scale Forcing during the Landfall of Severe Tropical Storm Bilis (2006)

1.
State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, Science System and Applications, Inc., Lanham, MD, USA,NOAA/NESDIS/Center for Satellite Applications and Research, Camp Springs, MD, USA,NASA/Goddard Space Flight Center, Greenbelt, MD, USA

doi: 10.1007/s00376-009-8139-y

Abstract
References
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Abstract:
The responses of vertical structures, in convective and stratiform regions, to the large-scale forcing during the landfall of tropical storm Bilis (2006) are investigated using the data from a two-dimensional cloud-resolving model simulation. An imposed large-scale forcing with upward motion in the mid and upper troposphere and downward motion in the lower troposphere on 15 July suppresses convective clouds, which leads to ～100% coverage of raining stratiform clouds over the entire model domain. The imposed forcing extends upward motion to the lower troposphere during 16--17 July, which leads to an enhancement of convective clouds and suppression of raining stratiform clouds. The switch of large-scale lower-tropospheric vertical velocity from weak downward motion on 15 July to moderate upward motion during 16--17 July produces a much broader distribution of the vertical velocity, water vapor and hydrometeor fluxes, perturbation specific humidity, and total hydrometeor mixing ratio during 16--17 July than those on 15 July in the analysis of contoured frequency-altitude diagrams. Further analysis of the water vapor budget reveals that local atmospheric moistening is mainly caused by the enhancement of evaporation of rain associated with downward motion on 15 July, whereas local atmospheric drying is mainly determined by the advective drying associated with downward motion over raining stratiform regions and by the net condensation associated with upward motion over convective regions during 16--17 July.
- cloud-resolving simulation,
- large-scale vertical velocity,
- water vapor and hydrometeor mass fluxes,
- heat budgets
References

[1]	GAO Shouting, CAI Xiaopeng, Xiaofan LI, 2009: A Modeling Study of Diurnal Rainfall Variations during the 21-Day Period of TOGA COARE, ADVANCES IN ATMOSPHERIC SCIENCES, 26, 895-905. doi: 10.1007/s00376-009-8123-6
[2]	Changhai LIU, 2005: A Numerical Investigation of a Slow-Moving Convective Line in a Weakly Sheared Environment, ADVANCES IN ATMOSPHERIC SCIENCES, 22, 625-639. doi: 10.1007/BF02918706
[3]	Han QIN, Ji NIE, Zhiyong MENG, 2024: A Tri-mode of Mock-Walker Cells, ADVANCES IN ATMOSPHERIC SCIENCES, 41, 671-679. doi: 10.1007/s00376-023-3032-7
[4]	YUE Caijun, SHOU Shaowen, Xiaofan LI, 2009: Water Vapor, Cloud, and Surface Rainfall Budgets Associated with the Landfall of Typhoon Krosa (2007): A Two-Dimensional Cloud-Resolving Modeling Study, ADVANCES IN ATMOSPHERIC SCIENCES, 26, 1198-1208. doi: 10.1007/s00376-009-8135-2
[5]	LI Xiaofan, SHEN Xinyong, LIU Jia, 2014: Effects of Doubled Carbon Dioxide on Rainfall Responses to Large-Scale Forcing: A Two-Dimensional Cloud-Resolving Modeling Study, ADVANCES IN ATMOSPHERIC SCIENCES, 31, 525-531. doi: 10.1007/s00376-013-3030-2
[6]	GAO Wenhua, SUI Chung-Hsiung, 2013: A Modeling Analysis of Rainfall and Water Cycle by the Cloud-resolving WRF Model over the Western North Pacific, ADVANCES IN ATMOSPHERIC SCIENCES, 30, 1695-1711. doi: 10.1007/s00376-013-2288-8
[7]	Xia Daqing, Zheng Liangjie, 1986: NUMERICAL SIMULATION OF THE GENERATION OF MESOSCALE CONVECTTVE SYSTEMS IN LARGE－SCALE ENVIRONMENT, ADVANCES IN ATMOSPHERIC SCIENCES, 3, 360-370. doi: 10.1007/BF02678656
[8]	Ding Yihui, Hu Jian, 1988: THE VARIATION OF THE HEAT SOURCES IN EAST CHINA IN THE EARLY SUMMER OF 1984 AND THEIR EFFECTS ON THE LARGE-SCALE CIRCULATION IN EAST ASIA, ADVANCES IN ATMOSPHERIC SCIENCES, 5, 171-180. doi: 10.1007/BF02656779
[9]	FU Danhong, GUO Xueliang, 2006: A Cloud-resolving Study on the Role of Cumulus Merger in MCS with Heavy Precipitation, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 857-868. doi: 10.1007/s00376-006-0857-9
[10]	Xiaoqing WU, Xiaofan LI, 2008: A Review of Cloud-Resolving Model Studies of Convective Processes, ADVANCES IN ATMOSPHERIC SCIENCES, 25, 202-212. doi: 10.1007/s00376-008-0202-6
[11]	GAO Shouting, Xiaofan LI, 2008: Impacts of Initial Conditions on Cloud-Resolving Model Simulations, ADVANCES IN ATMOSPHERIC SCIENCES, 25, 737-747. doi: 10.1007/s00376-008-0737-6
[12]	Jinghua CHEN, Xiaoqing WU, Chunsong LU, Yan YIN, 2022: Seasonal and Diurnal Variations of Cloud Systems over the Eastern Tibetan Plateau and East China: A Cloud-resolving Model Study, ADVANCES IN ATMOSPHERIC SCIENCES, 39, 1034-1049. doi: 10.1007/s00376-021-0391-9
[13]	PENG Jingbei, SONG Zhengshan, 2003: Heat and Moisture Budgets during the Period of HUBEX/GAME in the Summer of 1998, ADVANCES IN ATMOSPHERIC SCIENCES, 20, 245-251. doi: 10.1007/s00376-003-0010-y
[14]	WU Wei, CHEN Jilong, HUANG Ronghui, 2013: Water Budgets of Tropical Cyclones: Three Case Studies, ADVANCES IN ATMOSPHERIC SCIENCES, 30, 468-484. doi: 10.1007/s00376-012-2050-7
[15]	Yating ZHAO, Ming XUE, Jing JIANG, Xiao-Ming HU, Anning HUANG, 2024: Assessment of Wet Season Precipitation in the Central United States by the Regional Climate Simulation of the WRFG Member in NARCCAP and Its Relationship with Large-Scale Circulation Biases, ADVANCES IN ATMOSPHERIC SCIENCES, 41, 619-638. doi: 10.1007/s00376-023-2353-x
[16]	CHEN Jinbei, HU Yinqiao, ZHANG Lei, 2007: Principle of Cross Coupling Between Vertical Heat Turbulent Transport and Vertical Velocity and Determination of Cross Coupling Coefficient, ADVANCES IN ATMOSPHERIC SCIENCES, 24, 89-100. doi: 10.1007/s00376-007-0089-7
[17]	Wang Ling, Xu Yinzi, 1997: The Influence of Weakly-Nonlinear Vertical Advection on the Wind Field of PBL with Large-Scale Orography, ADVANCES IN ATMOSPHERIC SCIENCES, 14, 59-68. doi: 10.1007/s00376-997-0044-7
[18]	Xinyong SHEN, Wenyan HUANG, Chunyan GUO, Xiaocen JIANG, 2016: Precipitation Responses to Radiative Effects of Ice Clouds: A Cloud-Resolving Modeling Study of a Pre-Summer Torrential Precipitation Event, ADVANCES IN ATMOSPHERIC SCIENCES, 33, 1137-1142. doi: 10.1007/s00376-016-5218-8
[19]	Sang-Hyun LEE, Jun-Ho LEE, Bo-Young KIM, 2015: Estimation of Turbulent Sensible Heat and Momentum Fluxes over a Heterogeneous Urban Area Using a Large Aperture Scintillometer, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 1092-1105. doi: 10.1007/s00376-015-4236-2
[20]	BI Yun, CHEN Yuejuan, ZHOU Renjun, YI Mingjian, DENG Shumei, 2011: Simulation of the Effect of Water-vapor Increase on Temperature in the Stratosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 832-842. doi: 10.1007/s00376-010-0047-7

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Manuscript History

Manuscript received: 10 January 2010

Manuscript revised: 10 January 2010

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Responses of Vertical Structures in Convective and Stratiform Regions to Large-Scale Forcing during the Landfall of Severe Tropical Storm Bilis (2006)

1. State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, Science System and Applications, Inc., Lanham, MD, USA,NOAA/NESDIS/Center for Satellite Applications and Research, Camp Springs, MD, USA,NASA/Goddard Space Flight Center, Greenbelt, MD, USA

Manuscript received: 2010-01-10
Manuscript revised: 2010-01-10

Abstract: The responses of vertical structures, in convective and stratiform regions, to the large-scale forcing during the landfall of tropical storm Bilis (2006) are investigated using the data from a two-dimensional cloud-resolving model simulation. An imposed large-scale forcing with upward motion in the mid and upper troposphere and downward motion in the lower troposphere on 15 July suppresses convective clouds, which leads to ～100% coverage of raining stratiform clouds over the entire model domain. The imposed forcing extends upward motion to the lower troposphere during 16--17 July, which leads to an enhancement of convective clouds and suppression of raining stratiform clouds. The switch of large-scale lower-tropospheric vertical velocity from weak downward motion on 15 July to moderate upward motion during 16--17 July produces a much broader distribution of the vertical velocity, water vapor and hydrometeor fluxes, perturbation specific humidity, and total hydrometeor mixing ratio during 16--17 July than those on 15 July in the analysis of contoured frequency-altitude diagrams. Further analysis of the water vapor budget reveals that local atmospheric moistening is mainly caused by the enhancement of evaporation of rain associated with downward motion on 15 July, whereas local atmospheric drying is mainly determined by the advective drying associated with downward motion over raining stratiform regions and by the net condensation associated with upward motion over convective regions during 16--17 July.

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