首页|Cloud Microphysical Characteristics of Typhoon Meranti(2016)during Its Rapid Intensification:Model Validation and SST Sensitivity Experiments

Cloud Microphysical Characteristics of Typhoon Meranti(2016)during Its Rapid Intensification:Model Validation and SST Sensitivity Experiments

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  • 国家科技期刊平台
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Cloud microphysics plays an important role in determining the intensity and precipitation of tropical cyclones(TCs).In this study,a high-resolution numerical simulation by WRF(version 4.2)of Typhoon Meranti(2016)dur-ing its rapid intensification(RI)period was conducted and validated by multi-source observations including Cloud-Sat and Global Precipitation Mission satellite data.The snow and ice particles content were found to increase most rapidly compared with other hydrometeors during the RI process.Not all hydrometeors continued to increase.The graupel content only increased in the initial RI stage,and then decreased afterwards due to precipitation during the RI process.In addition,sea surface temperature(SST)sensitivity experiments showed that,although the intensity of the TC increased with a higher SST,not all hydrometeors increased.The graupel content continued to increase with the increase in SST,mainly due to the accumulation of more lower-temperature supercooled water vapor at the corres-ponding height.The content of snow decreased with the increase in SST because stronger vertical motion at the cor-responding height affected the aggregation of ice crystals.

tropical cyclonerapid intensificationcloud microphysical characteristicssea surface temperature(SST)

Rui WANG、Yihong DUAN、Jianing FENG

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Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences,Fudan University,Shanghai 200438

State Key Laboratory of Severe Weather,Chinese Academy of Meteorological Sciences,China Meteorological Administration,Beijing 100081

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaShanghai Typhoon Research FoundationScience and Technology Development Fund of Chinese Academy of Meteorological SciencesBasic Research Fund of Chinese Academy of Meteorological Sciences

4219255442175008TFJJ2022012021KJ0312022Y006

2024

10.1007/s13351-024-3087-0

气象学报(英文版)
中国气象学会

气象学报(英文版)

CSTPCD
影响因子：0.57
ISSN：0894-0525
年,卷(期)：2024.38(3)