Why does the MJO detour the Maritime Continent during Austral summer?

Daehyun Kim, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, Hyerim Kim, Ulsan National Institute for Science and Technology, School of Urban and Environmental Engineering, Ulsan, Korea, Republic of (South) and Myong-In Lee, Ulsan National Institute of Science and Technology, Urban and Environmental Engineering, Ulsan, Korea, Republic of (South)