Toshihiko Hirooka

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Speaker, Author, Co-Author

Thu. May 26, 2022 3:30 PM - 5:00 PM 106 (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS10] Stratosphere-troposphere Processes And their Role in Climate

3:45 PM - 4:00 PM

[AAS10-08] Characteristics of planetary-wave packet propagation during a major sudden stratospheric warming event in January 2021 (second report)

*Yayoi Harada¹, Takenari Kinoshita², Kaoru Sato³, Toshihiko Hirooka⁴ (1.Meteorological Research Institute, 2.Meteorological Research Institute, Japan Meteorological Agency, 2. The Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Department of Earth and Planetary Sciences, University of Tokyo, 4.Department of Earth and Planetary Sciences, Kyushu University)

4:00 PM - 4:15 PM

[AAS10-09] A Statistical Analysis of Downward Planetary Wave Propagation in the Eastern Hemisphere Stratosphere During Boreal Winter Based on Large Ensemble Data

*Matsuyama Yuya¹, Toshihiko Hirooka² (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University)

Fri. Jun 3, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (7) (Ch.07)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS10] Stratosphere-troposphere Processes And their Role in Climate

11:00 AM - 1:00 PM

[AAS10-P01] Seasonality of Sudden Stratospheric Warming in the Southern Hemisphere

*Koki Iwao¹, Shingo Watanabe², Toshihiko Hirooka³ (1.National Institute of Technology, Kumamoto College, 2.Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Science, Kyushu University)