globalchange  > 气候减缓与适应
DOI: 10.1002/2017JD026878
Scopus记录号: 2-s2.0-85040743778
论文题名:
A Gigantic Jet Observed Over an Mesoscale Convective System in Midlatitude Region
作者: Yang J.; Sato M.; Liu N.; Lu G.; Wang Y.; Wang Z.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期:2
起始页码: 977
结束页码: 996
语种: 英语
英文关键词: gigantic jet ; lightning ; MCS ; sprite
Scopus关键词: azimuth ; convective system ; midlatitude environment ; radar ; reflectivity ; thundercloud ; thunderstorm ; tropopause ; wind shear ; China
英文摘要: Gigantic jets (GJs) are mostly observed over summer tropical or tropical-like thunderstorms. This study reports observation of a GJ over a mesoscale convective system (MCS) in the midlatitude region in eastern China. The GJ is observed over a relatively weak radar reflectivity region ahead of the leading line, and the maximum radar echo top along the GJ azimuth was lower than the tropopause in the same region, significantly different from past studies that indicate summer GJs are usually associated with convective surges or overshooting tops. Also different from most of previous observations showing GJ-producing summer thunderstorms only produced GJ type of transient luminous events during their life cycles, two sprites were also captured in a time window of 15 min containing the GJ, indicating that the MCS provides favorable conditions not only for the GJ but also for the sprites. The balloon-borne soundings of the MCS show that there were large wind shears in the middle and upper levels of the thundercloud, which may have played important roles for the GJ production. ©2017. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114648
Appears in Collections:气候减缓与适应

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作者单位: Key Laboratory of Middle Atmosphere and Global Environment Observation (LAGEO), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science & Technology, Nanjing, China; Department of Cosmosciences, Hokkaido University, Sapporo, Japan; Space Science Center, Department of Physics, University of New Hampshire, Durham, NH, United States; State Grid Electric Power Research Institute, Wuhan, China; China Meteorological Administration, Beijing, China

Recommended Citation:
Yang J.,Sato M.,Liu N.,et al. A Gigantic Jet Observed Over an Mesoscale Convective System in Midlatitude Region[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(2)
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