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首页> 外文会议>International Geoscience and Remote Sensing Symposium >Tropical Cyclone Convection Structure Evolution During Rapid Intensification Using Himawari-8 Satellite
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Tropical Cyclone Convection Structure Evolution During Rapid Intensification Using Himawari-8 Satellite

机译：Himawari-8卫星快速增强过程中热带气旋对流结构演变

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摘要

The tropical cyclone (TC) convective structure evolution during rapid intensification (RI) process were explored by using the differenced infrared and water vapor imagery (IRWV) from Himwari-8 satellite in the western North Pacific. The radial and azimuthal profiles and the morphological features were extracted from 1-hour interval images and several key patterns and the rules considering the location, shapes, and magnitude of the IRWV were identified through the whole RI process. The results show that the development and maintenance of a good spin structure of the negative IRWV were crucial for TC intensification. The RI-onset periods were normally connected with the sudden change of IRWV and the inward movement to the inner-core area. The pinhole eye features were normally a sign of continue RI, while the sudden decrease of IRWV area or the appearance of symmetric central overcast features indicates the ending of RI process.
机译：通过在西北太平洋西部西北地区的Himwari-8卫星中使用差异的红外和水蒸气图像（IRWV），探索了热带气旋（TC）对流结构演变。通过整个RI工艺识别从1小时间隔图像和几个关键图案和考虑IRWV的位置，形状和大小的若干关键图案和规则提取径向和方位角谱和形态特征。结果表明，负IRWV的良好自旋结构的开发和维护对于TC强化至关重要。 Ri-FingSet期通常与IRWV的突然变化和内核区域的向内运动相连。针孔眼特征通常是继续RI的标志，而IRWV区域的突然减少或对称中央阴影特征的外观表示RI过程的结束。

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