Data assimilation using high-frequency radar for tsunami early warning: A case study of the 2022 Tonga volcanic tsunami

Yuchen Wang1, Kentaro Imai2, Iyan E. Mulia3, Keisuke Ariyoshi1, Narumi Takahashi4, Ken'ichi Sasaki5, Hitoshi Kaneko5, Hiroto Abe6 and Yoshiaki Sato5, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (3)RIKEN Cluster for Pioneering Research, Prediction Science Laboratory, Kobe, Japan, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, (5)JAMSTEC, MIO, Mutsu, Japan, (6)Hokkaido University, Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Japan