Abstract

Unusual rainfall occurrence at the end of the year 2017 up to beginning 2018 over some places in Indonesia has occurred to reduce the flooding areas that they had developed since November-beginning December 2017. The unusual condition in term of the decreasing of the total daily rainfall over some places in Indonesia area for the period the end of 2017-the beginning 2018 as the period of maximum monthly rainfall of the peak wet season. It would be interesting to be studied using atmospheric and oceanographical data. The data would be collected from several sources of operational meteorological and oceanographical information from Indonesia (BMKG.) and Australia (BoM.). The study might start the studying atmospheric and oceanographic condition from the global- and regional- scales point of view and the dynamic of atmospheric and oceanographic.

Keywords: Rainfall; MJO; Meteorology; Cloud; Rainfall