Dean of the Faculty of Mathematics and Natural Sciences, University of Indonesia, Abdul Haris; Deputy for Meteorology, BMKG, R. Mulyono Rahadi Prabowo and Main Secretary of BMKG, Widada Sulistya while attending the National Seminar on Earth and Atmosphere at the Campus of the College of Meteorology, Climatology, and Geophysics (STMKG) Jakarta, Thursday (22/3).