鹰潭市短时强降水天气分型与回波特征分析

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Abstract In order to do a good job in the monitoring,early warning and forecasting service of short-term heavy precipitation weather in Yingtan,this paper uses MICAPS weather data,radar echo,ground automatic weather station and other data to analyze the short-term heavy precipitation process in Yingtan from 2015 to 2019.The results show that:1)the center of heavy precipitation greater than or equal to 30 mm/h in Yingtan is located in the central valley plain and southern mountainous area of Yingtan.Among them,the frequency of heavy precipitation in the central plain and valley area is the most,followed by the high mountain area,and the frequency of heavy precipitation in the hilly area is the least.The heavy precipitation greater than or equal to 30mm/h mainly occurs in the main flood season from May to July,accounting for 81.7%,and it is the most in June,accounting for 40.2%.2)The weather system configuration of short-term strong precipitation in Yingtan is divided into trough front type,trough bottom type,subtropical high type,squall line type,typhoon type and elevated convection type.The trough front type is the weather type with the most short-term strong precipitation in Yingtan,accounting for 58.75% of the total cases.3)There are two radar echo characteristics of the short-term strong precipitation in Yingtan.One is the band echo with different directions.The second is the characteristics of block echo at different scales.The above research results provide an analytical basis for the prediction and early warning of short-term strong precipitation in Yingtan.

Key words： Yingtan short-term strong precipitation weather classification echo characteristics

Received: 17 March 2023

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	Articles by authors
	Yu Jianhao
	Ma Zhongyuan
	Yang Jie
	Chen Hongxiang
	Yuan Dongmei

Cite this article:

Yu Jianhao,Ma Zhongyuan,Yang Jie等. Analysis of weather classification and echo characteristics of short-term heavy precipitation in Yingtan[J]. Meteorological Hydrological and Marine Instrument, 2023, 40(3): 32-35.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2023/V40/I3/32

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