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该文介绍诏安县三座中型水库地形特点,对比分析了各季节各库区的降水气候特征,个例分析表明:当本县处于高空槽前或热带气旋在本县以北登陆,本县高空处于强西南气流下时,强降水多出现在本县中南部;当热带气旋登陆粤东地区,本县多处于东南气流下,则全县均可出现强降水,山区降水强度多比沿海强,是造成本县洪涝灾害的主要天气形势。据此探讨库区强降水预报方法,供参考。
This paper introduces the topographical characteristics of three medium sized reservoirs in Zhaoan County, and compares the precipitation characteristics of each reservoir area in different seasons. The case study shows that when the county is at high altitude or the tropical cyclone landed north of the county, In the strong southwest airstream, the heavy precipitation appears in the central south of this county; when the tropical cyclone landed in the eastern part of Guangdong, the county is mostly in the southeastern airstream, the whole county can have heavy precipitation, the mountainous area has more precipitation intensity than the coastal area, It is the main weather condition that caused floods and disasters in this county. Based on this, we discuss the method of forecasting heavy rainfall in the reservoir area for reference.