The present paper gives an analysis of the low frequency (LF) vortex and divergent circulation systems and their interactions in terms of the ECMWF/WMO data (summer of 1984).

• 利用1984年夏季ECMWF/WMO资料分析了低频涡度系统和低频辐散环流系统,讨论了两者之间的相互作用。