2024年吉安冰雹回波与雷电分布特征分析

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Abstract In order to do a good job in early warning of hail and radar weather in Ji'an area,Jiangxi Province,the "Tianyan" radar puzzle and lightning distribution products were used,and the principles and analysis methods of radar meteorology were adopted to analyze the echo characteristics and lightning characteristics of two hail super cells in Ji'an,Jiangxi Province in 2024.The results show that the hail in Ji'an and Xiajiang are super monomer structures with strong echo nuclei of 65 dBZ or 70 dBZ.Vertical integral liquid water content ≥60 kg/m².The lightning distribution on the supercell corresponds to the location of strong echoes,and the lightning density is relatively high.The vertical profile of 60 dBZ echoes from supercell hail echoes is distributed between 1.5 km and 9.0 km,and the strong echo peak of 65-70 dBZ can extend up to 3 km to 7 km.The maximum distribution of the vertical profile of the echo is above 60-70 dBZ.The 60 dBZ echo is above 1.5 km,and over time,the bottom height of the strong 60 dBZ echo gradually decreases,which is a sign of impending hail.The maximum differential reflectivity of the two supercells was 7.8 dB,and the differential propagation phase shift rate was ≥5.0°/km.The research results provide an analytical basis for the identification and lightning warning of super single hail echoes in Ji'an area,Jiangxi Province.

Key words： Ji'an hail supercell distribution of lightning

Received: 28 November 2024

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	Articles by authors
	Huang Xiaohong
	Xiahou Bin
	Peng Yongtai
	Zhong Landi
	Huang Nan

Cite this article:

Huang Xiaohong,Xiahou Bin,Peng Yongtai等. Analysis of hail echoes and lightning distribution characteristics in Ji'an in 2024[J]. Meteorological Hydrological and Marine Instrument, 2025, 42(1): 67-70.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2025/V42/I1/67

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