Evolution of ENSO-Related Rainfall Anomalies in East Asia

The present study documents seasonal rainfall anomalies in East Asia during different phases of El Niño–Southern Oscillation (ENSO) using station rainfall and the NCEP–NCAR reanalysis for the period of 1951–2000 through lag–lead correlation/regression and extended singular value decomposition analyses. The ENSO-related rainfall anomalies consist of two major evolving centers of action: one positive and the other negative. The positive center of action affects southern China, eastern central China, and southern Japan during the fall of an ENSO developing year through the following spring. The negative center of action is over northern China during the summer and fall of an ENSO developing year. Seasonal…