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DOI | 10.1029/2021GL094821 |
Turbulence Characteristics before the Occurrence of the First Flash in Thunderstorms and Non-Thunderstorms | |
Chuanhong Zhao; Dong Zheng; Yijun Zhang; Xiantong Liu; Yang Zhang; Wen Yao; Wenjuan Zhang | |
2021-09-13 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | This study evaluates how clouds evolve into thunderstorms in terms of the turbulence characteristics producing the first flash. Observations of 57 (39) isolated thunderstorm (non-thunderstorm) cells during 2016/2017 in Southern China are provided by an S-band polarimetric radar and three independent lightning location systems. The vertical turbulence characteristics of clouds associated with thunderstorms are obviously different from non-thunderstorms. For thunderstorms, the maximum of the eddy dissipation rate (mean value in each height layer) in the entire height is 0.19 m2s−3, which occurs at the first flash stage, and the achievable height of turbulence exceeds the −30°C layer. For non-thunderstorms, however, the maximum is 0.12 m2s−3 and the achievable turbulence height hardly exceeds the −10°C layer. Additionally, the turbulence intensities of the locations where the initial discharge pulse events of the first flashes occur are weak. These turbulence characteristics are useful for lightning nowcasting. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/338731 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Chuanhong Zhao,Dong Zheng,Yijun Zhang,et al. Turbulence Characteristics before the Occurrence of the First Flash in Thunderstorms and Non-Thunderstorms[J]. Geophysical Research Letters,2021. |
APA | Chuanhong Zhao.,Dong Zheng.,Yijun Zhang.,Xiantong Liu.,Yang Zhang.,...&Wenjuan Zhang.(2021).Turbulence Characteristics before the Occurrence of the First Flash in Thunderstorms and Non-Thunderstorms.Geophysical Research Letters. |
MLA | Chuanhong Zhao,et al."Turbulence Characteristics before the Occurrence of the First Flash in Thunderstorms and Non-Thunderstorms".Geophysical Research Letters (2021). |
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