Mon. May 26, 2025 1:45 PM - 3:15 PM 101 (International Conference Hall, Makuhari Messe)

[E] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG36] Extratropical oceans and atmosphere

2:45 PM - 3:00 PM

[ACG36-11] Impacts of a Midlatitude Oceanic Frontal Zone on the Baroclinic Annular Mode Signature: Its inter-basin differences in the Southern Hemisphere

*Morio Nakayama¹, Hisashi Nakamura¹, Satoru Okajima^1,2, Fumiaki Ogawa^1,3, Yu Kosaka¹, Takafumi Miyasaka¹, Ryo Satoh¹ (1.Research Center for Advanced Science and Technology, The University of Tokyo , 2.Institute of Life and Environmental Sciences, University of Tsukuba, 3.Faculty of Bioresources, Mie University)

Mon. May 26, 2025 3:30 PM - 5:00 PM 101 (International Conference Hall, Makuhari Messe)

[E] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG36] Extratropical oceans and atmosphere

4:15 PM - 4:30 PM

[ACG36-16] Unprecedented Marine Heatwave Significantly Exacerbated the Record-breaking 2023 East Asian Summer Heatwave

*Satoru Okajima¹, Yu Kosaka², Takafumi Miyasaka², Rui Ito³ (1.Institute of Life and Environmental Sciences, University of Tsukuba, 2.RCAST, The University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology)

4:45 PM - 5:00 PM

[ACG36-18] Influence of the summertime waveguide teleconnection along the Eurasian polar-front jet on the East Asian climate through the Okhotsk High development

*Saori Sakai¹, Yu Kosaka¹ (1.Research Center for Advanced Science and Technology, the University of Tokyo)

Mon. May 26, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG36] Extratropical oceans and atmosphere

5:15 PM - 7:15 PM

[ACG36-P16] Weakening of the North Atlantic Oscillation under global warming in atmospheric large ensemble simulations

*Takashi Kawamura¹, Yu Kosaka¹ (1.Research Center for Advanced Science and Technology, the University of Tokyo)

5:15 PM - 7:15 PM

[ACG36-P18] The energetics of meridional teleconnection patterns over the North Pacific in winter: The internally-driven atmospheric variability and their modulations by ENSO

*Ryo Satoh¹, Yu Kosaka¹ (1.Research Center for Advanced Science and Technology, the University of Tokyo)

Wed. May 28, 2025 9:00 AM - 10:30 AM 101 (International Conference Hall, Makuhari Messe)

[E] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Climate Variability and Predictability on Subseasonal to Centennial Timescales

9:30 AM - 9:45 AM

[ACG38-03] Emulating GCM Experiments with Reduced-Complexity Models: An application to Tropical Interbasin Interactions

*Shoichiro Kido¹, Ingo Richter¹, Yu Kosaka², Tomoki Tozuka^3,1, Hiroki Tokinaga⁴, Ping Chang⁵ (1.Application Laboratory, Japan Agency for Marine-Earth Science and Technology, 2.Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan , 3.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan , 4.Research Institute for Applied Mechanics, Kyushu University, Kasuga, Japan , 5.Department of Oceanography, Texas A&M University, College Station, Texas)

Wed. May 28, 2025 10:45 AM - 12:15 PM 101 (International Conference Hall, Makuhari Messe)

[E] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Climate Variability and Predictability on Subseasonal to Centennial Timescales

11:15 AM - 11:30 AM

[ACG38-09] The triple-dip La Niña was key to Earth’s extreme heat uptake in 2022-2023

*Ko Tsuchida¹, Yu Kosaka¹, Shoshiro Minobe² (1.Research Center for Advanced Science and Technology, the University of Tokyo, 2.Faculty of Science, Hokkaido University)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Climate Variability and Predictability on Subseasonal to Centennial Timescales

5:15 PM - 7:15 PM

[ACG38-P03] Impact of the Australian Summer Monsoon on the Predictability of Tropical Intraseasonal Variability in JMA/MRI-CPS3

*Shion Sekizawa¹, Shoji Hirahara¹, Yukimasa Adachi¹, Hiroaki Naoe¹, Hisashi Nakamura², Yu Kosaka² (1.Meteorological Research Institute, Japan Meteorological Agency, 2.Research Center for Advanced Science and Technology, University of Tokyo)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG43] Multi-scale ocean-atmosphere interaction in the tropics

5:15 PM - 7:15 PM

[ACG43-P06] Quantifying the teleconnections between East Asian winter precipitation and tropical sea surface temperatures using causal analysis

*TIANJIAO MA^1,2, Wen Chen¹, Xiadong An¹, Yu Kosaka² (1.Yunnan University, Kunming, China, 2.RCAST, UTokyo)

Yu Kosaka

Speaker, Author, Co-Author