近50年河南省武陟县高温天气的气候特征初探

利用河南省武陟县1961—2010年5—9月日极端最高气温资料，统计分析了武陟县极端最高气温与高温天气的特征，以期能对提高气候预测水平和农业生产有一定帮助。结果表明：武陟县高温天气主要出现在6—7月，高温天气的时间分布具有明显的周期性；年极端最高气温的变化大体上经历了从高到低又到高的过程；持续高温天气主要出现在6月，连续≥3d的高温天气过程出现最多，平均每年出现1．9次；武陟县夏季酷热与极端最高气温高、持续高温天气出现次的年份，集中在20世纪60年代中期以及90年代后期至今的两个时间段内。

Initial Analysis the Climate Characteristic of High-temperature Weather the Last 50 Years in Wuzhi County

Using the Henan Province Wuzhi County 1961-May, 2008 to September date extremely highest temperature material, analysiWuzhi County extremely highest temperature and high temperature weather characteristic, improving climate prediction level and guid agricultural production. The result： The high temperature weather mainly appears in 6 - 7, high temperature weather＇s time distribution has the obvious periodicity; The year highest temperature＇ s change experienced on the whole extremely from high to low arrived at the high process; Continu high temperature weather mainly appear in June, continuously≥3d the high temperature weather process appears most much, the average presents 1.8 times every year; Wuzhi County summer extremely hot with extremely the highest temperature high, continues the high temperature weather to appear a time year, concentrates in 20 the century 60 age intermediate stage as well as the 90 age later period in until now two time section.