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| Analysis of temperature and humidity characteristics of a thunderstorm and the effect of atmospheric electric field warning |
| Li Yuting1,2, Huang Nan1, Peng Yongtai1, Hu Huaijian1 |
1. Ji'an Meteorological Bureau,Ji'an 343000;
2. Key Laboratory of Ecological Meteorology in Ji'an City,Ji'an 343000 |
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Abstract In order to study the relationship between thunderstorm activity and atmospheric temperature and humidity characteristics,ERA5 reanalysis data was used to analyze a thunderstorm process that occurred in Ji'an on March 30-31,2024.The results showed that the thunderstorm process was triggered under a complex weather situation where the southern trough moved eastward and interacted with low-level shear lines.The significant enhancement of the low-level southwest jet stream and strong vertical wind shear provided favorable environmental conditions for the generation and development of thunderstorms.The vertical distribution of temperature during thunderstorms is relatively stable,and the vertical gradient of relative humidity shows a closer correlation with the development of thunderstorms.The effective potential energy of convection has limited indicative effect on predicting thunderstorm activity at night.The SI index and K index have a good correspondence with the occurrence and development of thunderstorms.The SI index can drop below -2.0 before thunderstorms occur,while the K index can climb to 38.The atmospheric electric field instrument in Ji'an City has a high warning accuracy (hit rate of 79.1％) in lightning warning,but also a high false alarm rate (missed rate of 20.9％,false alarm rate of 48.1％),with a TS score of 0.456.In practical applications,it is necessary to further optimize the warning strategy based on radar echo data to improve the accuracy and efficiency of warning.
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Received: 30 March 2025
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| Cite this article: |
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Li Yuting,Huang Nan,Peng Yongtai等. Analysis of temperature and humidity characteristics of a thunderstorm and the effect of atmospheric electric field warning[J]. Meteorological Hydrological and Marine Instrument, 2025, 42(3): 80-84.
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| URL: |
| http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2025/V42/I3/80 |
| [1] |
孔德兵.西北地区东部雷暴特征及24 h预报研究[D].兰州:兰州大学,2016.
|
| [2] |
张春松,杨晓玲,刘蓉,等.甘肃武威市雷暴天气时空分布特征[J].干旱气象,2015,33(4):659-665.
|
| [3] |
朱昌权.河西走廊地区雷暴特征及预报指标研究[D].兰州:兰州大学,2018.
|
| [4] |
汤兴芝,黄治勇,王文玉,等.鄂东春季两次极端雷暴大风过程环境及雷达回波特征对比分析[J].气象科学,2024,44 (5):961-973.
|
| [5] |
徐迎港,陈新甫,杨波,等.江苏地区夏季雷暴的雷达回波特征研究[J].气象科学,2021,41 (5):668-677.
|
| [6] |
柯元惠,马明明,郑艳,等.海南岛雷暴大风天气形势和环境参数特征分析[J].暴雨灾害,2022,41 (1):86-93.
|
| [7] |
严仕尧,李昀英,齐琳琳,等.华北产生雷暴大风的动力热力综合指标分析及应用[J].暴雨灾害,2013,32 (1):17-23.
|
| [8] |
李瑶婷.夏季对流参数特征对广汉机场一次较典型雷暴过程的检验[J].民航学报,2021,5 (5):44-45,78.
|
| [9] |
许皓琳,郑佳锋,张杰,等.昆明机场两类雷暴的温湿参量演变特征研究[J].暴雨灾害,2021,40(5):541-548.
|
| [10] |
李刚,谢清霞,许可,等.安顺站不同天气类型下大气电场与气象要素间的关系[J].高原山地气象研究,2023,43 (1):135-140.
|
| [11] |
丁德平,李迅,邓长菊,等.北京地区大气电场的特征及雷电预警中的订正分析[J].沙漠与绿洲气象,2012,6 (4):68-73.
|
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2025, Vol. 42 
