ABNORMALLY HEAVY RAINFALL IN THE CHANGJIANG VALLEY AND ITS CORRELATION WITH EXTRAORDINARY OCEANIC FEATURES IN 1983

The abnormally heavy precipitation occurred in the Changjiang Valley,1983 as one of the four serious flooded events in the past sixty years was directly associated with the abnormal changes of the subtropical high of the NW Pacific.Meanwhile the abnormal changes of the S.H.were correlated with the abnormally warming of SST of the tropical East Pacific and the appearance of El nino in 1982-1983,which had attained the highest intensity in this century and were reasonably correlated with the unusual variations of Southern Oscillation,SST anomalies of the Pacific Ocean,and the anomalies of the cloudness over these areas.This has once again confirmed that there exists a teleconnection between several parts of Pacific Ocean and the atmospheric circulation.A chain reaction between the abnormal weather in China and the East and the West Pacific(the tropical and the subtropical Pacific) is revealed,which may give some information for the long-range weather forecasting.