Muhammad Arief Rahman¹, Kandaga Pujiana², Nelly Riama³, Donaldi Permana¹ and Stephen Riser⁴, (1)Indonesian Agency for Meteorology, Climatology and Geophysics (BMKG), Jakarta, Indonesia, (2)University of Miami’s Cooperative Institute for Marine and Atmospheric Studies, Miami, United States, (3)Indonesian Agency for Meteorology, Climatology and Geophysics, Geophysics, Jakarta, Indonesia, (4)University of Washington, School of Oceanography, Seattle, United States