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本文利用1980—1983年四个夏季(以7月平均为代表)的ECMRWF资料,分析了1982—1983年El Nino事件强烈发展前的1982年夏季热带大气环流的异常.从一系列显著异常的观测事实分析中得出:1982年夏季异常强的东亚高空东风急流是1982～1983年El Nino事件发展的一个可能促发机制;1982年澳大利亚冬季冷空气的异常堆积导致澳大利亚至东太平洋纬向热力对比的增强,是赤道太平洋偏东信风迅速减弱的一个重要原因.
Based on the ECMRWF data of the four summer seasons (represented by July average) from 1980 to 1983, this paper analyzes the summer anomalous summer 1982 tropical anomalies before the strong development of El Nino in 1982-1983. From a series of significant abnormal observations The factual analysis shows that the unusually strong East Asian jet over the 1982 summer was a possible trigger for the development of El Nino events in 1982-1983. The abnormal accumulation of winter cold air in Australia in 1982 resulted in a zonal thermal contrast from Australia to the East Pacific Is one of the important reasons for the rapid decline of the eastward balance of the equatorial Pacific Ocean.