简介：Ananalysisofhigh-resolutionprecipitationdatafor1978-2006indicatesthattheprecipitationoversouthernChinainJuneexperiencedalow-valueperiodin1980-1989andahigh-valueperiodin1992-2001.Italsorevealsthatexceptionalheavy(light)precipitationoccurredinJune2005(2004)since1951.Forthesevariationsonbothinterdecadalandinterannualtimescales,fairlyuniformanomaliesofprecipitationappearedoverVietnam,southernChina,andsoutheasternChina.Correspondingtopositive(negative)precipitationanomalies,anomaloussoutheasterly(northwesterly)flowat850hPareachedVietnamandanomaloussouthwesterly(northeasterly)flowexpandedtothecoastalregionsofsouthernandsoutheasternChina.Precedenttothepositive(negative)precipitationanomaliesduring1992-2001(1980-1989),positive(negative)anomaliesofseasurfacetemperatureappearedovertheextratropicalnorthwesternPacificinthewinterandspringseasons,associatedwithastrong(weak)extensionofthewarmKuroshioCurrentthataffectsthecoastalregionofeasternChina.Theabove-normalprecipitationinJune2005wasassociatedwiththepseudo-ENSOeventinthepreviouswinter,andthebelow-normalprecipitationinJune2004wasassociatedwithnegativeanomaliesofseasurfacetemperatureovertheequatorialcentralPacificandpositiveanomaliesovertheequatorialwesternandeasternPacific.