鹰潭一次雷暴大风“天衍”雷达产品特征分析

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Abstract This paper uses MICAPS weather map data,ground automatic meteorological station data,and "Tianyan" radar mosaic data,and uses analysis methods such as weather map analysis,statistical methods,echo images,and echo profiles to analyze the process of the 2024-03-25 Yingtan thunderstorm.The results show that the process of the "3.25" Yingtan thunderstorm is caused by the combined action of a 500 hPa high trough,850 hPa shear line,850 hPa jet stream,and a ground cold front.The strong convective echo was triggered during the process of the ground cold front moving eastward and southward,and moved along the direction of the ground cold front movement.The squall shaped strong convective echo caused a large area of thunderstorms in Yingtan.Due to the fast movement of the echo and the short impact time,this process did not cause heavy precipitation in Yingtan.This process reminds us to always keep an eye on the upstream situation and the direction of convective echoes in early warning and forecasting,in order to increase the amount of advance for forecast ans early waring of thunderstorms and strong winds.

Key words： Yingtan thunderstorms "Tianyan" radar mosaic product echo characteristics

Received: 16 April 2024

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Cite this article:

Liu Qiang. Analysis of the characteristics of "Tianyan" radar product for a thunderstorm in Yingtan[J]. Meteorological Hydrological and Marine Instrument, 2024, 41(3): 52-55.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2024/V41/I3/52

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