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江淮地区对流云结构特征分析
赵光,吴汪毅
0
(安徽省人工影响天气办公室,合肥230031)
摘要:
对流云发展到一定时期,常常会产生一些强对流天气,如短时强降水、大风、冰雹等,这些灾害性天气往往会给农业生产带来不利的影响。多年来,人们一直致力于强对流天气的研究工作。作者利用合肥多普勒雷达6层仰角(0.5,1.5,2.4,3.4,4.3,6.0)的基本反射率、回波顶高、垂直积分液态水(VIL)每隔6 min的资料,分析了江淮试验区2003年8月5日对流云的初生、合并、发展、消散的演变过程,试图找出江淮地区对流云的结构特征。
关键词:  结构特征  对流云  回波强度
DOI:CNKI:34-1162/S.20111031.1539.002
投稿时间:2011-07-25
基金项目:安徽农业大学青年科学基金项目(2009zr29)资助。
Analysis of structural characteristics of convective clouds in Yangtze-Huaihe area
ZHAO Guang,WU Wang-yi
(Anhui Weather Modification Office, Hefei 230031)
Abstract:
It will bring some strong convection weather such as short-range precipitation, strong wind, hail, and so on, when the convective clouds develop to a certain period. This disaster weather often exerts a negative effect in agricultural production. Researchers have been committed to the strong convective weather study for many years. In this paper, based on the Doppler 6-minute data in Hefei including the base reflectivity, echo tops, vertically integrated liquid (VIL) with 6-layer elevation (0.5, 1.5, 2.4, 3.4, 4.3, 6.0), the evolution process of convective clouds containing newborn, mergers, development and dissipation in Yangtze-Huaihe experiment area on August 5, 2003 are analyzed, trying to reveal the structure characteristics of convective clouds in this area.
Key words:  structure characteristics  convective clouds  radar echo

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