Possible Scenario on the Development of Rainfall Anomaly Increase of Rain to the East of SSTA Eastward development of Warm Kelvin response Low Pressure along the Equator Ekman Flow Converging to the Equator Moisture Convergence enhances Rainfall Decrease of Rain to the West of SSTA Westward development of Warm Rossby response Relative High Pressure along the Equator Ekman Flow Diverging from the Equator Moisture Divergence suppresses Rainfall