Graphical Abstract

Iwakiri, T., and M. Watanabe, 2020: Multiyear La Niña impact on summer temperature over Japan. J. Meteor. Soc. Japan, 98,

Plain Language Summary: La Niña event often occurs in two consecutive years and is known as multiyear La Niña. Two distinct mechanisms bring different type hot summer in Japan during multiyear event. First year tend to be warm over the southwestern Japan in late summer, while second year experiences hot conditions over the northeastern Japan in midsummer. Both mechanisms are excited by suppressing convective activity over the central and eastern equatorial Pacific.