摘要
利用1991—2010年广东省连州市的气象资料对该地区出现的霜进行分析,最后得出:(1)该地区霜日数前10年霜呈现逐年减少的趋势,后10年呈现逐年增加的趋势;(2)该地区的霜主要集中在12月和1月,初霜一般出现在秋末或春初;(3)该地区的霜多为受强冷空气南下影响或连续中等强度冷空气影响后出现的,出现霜时呈现地面气压多处于降压阶段、多为静风或微风、相对湿度和水汽压低等特征。
In this paper, from 1991 to 2010, with City of the region＇ s climate frost data analysis, summarize the main draw of the region＇ s characteristics and frost forecasting analysis tools. Conclusion that the number of frost days in the area showing the first decade of cream decreasing trend, after ten years show a rising trend. The cream of the region mainly in December and January, the first frost usually occurs in late fall or early spring. Frost in the region mostly affected by the strong cold air southward or continuous moderate-intensity after cold air, and frost occurs when the surface pressure more than in the present stage step-down, mostly static wind or breeze, and water vapor relative humidity down and other features.
关键词
天气学
霜特征
平流辐射霜
广东省连州市
Weather
Cream features
Advection-radiation cream
Lianzhou, Guangdong
