Publications

1. Sakamoto, R.*, Takaya, Y., Hirahara, S., Naoe, H., Okajima, S., Ueda, H. (2025). Midlatitude Atmosphere-Ocean Interaction Reinforces the East Asian Winter Monsoon, Geophysical Research Letters, 52, e2025GL118566. https://doi.org/10.1029/2025GL118566

2. Kawamura, T.*, Kosaka, Y., Okajima, S., Nakamura, H. (2025). Projected changes of the Northern Annular Mode linked to seasonality of the ENSO teleconnection. Geophysical Research Letters, 52, e2025GL118175. Journal Site

3. Okajima, S.*, Y. Kosaka, T. Miyasaka, R. Ito (2025): Unprecedented Marine Heatwave Significantly Exacerbated the Record-breaking 2023 East Asian Summer Heatwave, AGU Advances, e2025AV001673. Journal Site

4. Koike, M.*, Y. Kawai, K. Adachi, H. Aiki, Y. Kanaya, H. Kawai, K. Kita, F. Kondo, T. Koshiro, H. Matsui, T. Miyakawa, A. Miyamoto, T. Miyasaka, Y. Miyazaki, M, Mochida, T. Mori, N. Moteki, T. Murayama, H. Nakamura, S. Ohata, E. Oka, S. Okajima, Y. Tobo, S. Sekizawa, A. Yoshida (2025): Integrated aircraft and research vessel observational studies of aerosols and clouds in summer over the western North Pacific, Progress in Earth and Planetary Science, 12, 50. https://doi.org/10.1186/s40645-025-00719-1

5. Okajima. S.*, H. Nakamura, A. Kuwano-Yoshida, R. Parfitt (2025): Mechanisms for an Early Spring Peak of Extratropical Cyclone Activity in East Asia. Journal of Climate, 38(9), 1981–1997. Journal Site

6. Satoh, R.*, Y. Kosaka, H. Nakamura, A. Miyamoto, S. Okajima (2025): Energetics of Atmospheric Meridional Teleconnection Patterns over the North Pacific in Winter, Journal of Climate, 38(2), 611-626. Journal Site

7. Sekizawa, S.*, S. Okajima, A. Miyamoto, T. Miyasaka, H. Kawai, M. Koike, H. Nakamura (2025): Summer low clouds off southeast of Hokkaido simulated in the Japan Meteorological Agency Meso-scale model under different synoptic conditions, SOLA, 21, 24-33. Journal Site

1. Okajima, S.*, Nakamura, H., Kaspi, Y. (2024). Reply to Comment by Chang on “Anticyclonic suppression of the North Pacific transient eddy activity in midwinter", Geophys. Res. Lett., 51, e2024GL111599. https://doi.org/10.1029/2024GL111599 Journal Site

2. Okajima, S.*, Nakamura, H., Spengler, T. (2024). Midlatitude oceanic fronts strengthen the hydrological cycle between cyclones and anticyclones. Geophysical Research Letters, 51, e2023GL106187.Journal Site

3. Okajima, S.*, Nakamura, H., Kaspi, Y. (2024). Anticyclonic suppression of the North Pacific transient eddy activity in midwinter. Geophys. Res. Lett., 51, e2023GL106932. Journal Site

1. Okajima, S.*, H. Nakamura, Y. Kaspi: Distinct roles of cyclones and anticyclones in setting the midwinter minimum of the North Pacific eddy activity: a Lagrangian perspective, J. Climate, 36(14), 4793-4814, 2023.Journal Site

2. Nakayama, M.*, H. Nakamura, S. Okajima, F. Ogawa: Modulations of Storm-Track Activity Associated with the Baroclinic Annular Mode, J. Climate, 36(12), 4219-4234, 2023. Journal Site

3. Nomura, S., B. Taguchi*, H. Tamura, S. Okajima: Forcing Mechanisms associated with the Destructive Record-High 2008 Ocean Swell Wave in Toyama Bay, Earth and Space Science, 10, e2022EA002750, 2023. Journal Site

1. Okajima, S.*, H. Nakamura, Y. Kaspi: Energetics of transient eddies related to the midwinter minimum of the North Pacific storm-track activity, J. Climate, 35(4), 1137-1156, 2022.Journal Site

2. Kuwano-Yoshida, A.*, S. Okajima, H. Nakamura: Rapid increase of explosive cyclone activity over the midwinter North Pacific in the late 1980s, J. Climate, 35(3), 1113-1133, 2022.Journal Site *press release*

3. Okajima, S.*, H. Nakamura, Y. Kaspi: Cyclonic and anticyclonic contributions to atmospheric energetics, Scientific Reports, 11, 13202, 2021. Journal Site *press release*

1. Okajima, S.*, H. Nakamura, K. Nishii, T. Miyasaka, A. Kuwano-Yoshida, B. Taguchi, M. Mori, Y. Kosaka: Mechanisms for the Maintenance of Wintertime Basin-Scale Atmospheric Response to Decadal SST Variability in the North Pacific Subarctic Frontal Zone, J. Climate, 31, 297-315, 2018. Journal Site

2. Masunaga, R.*, H. Nakamura, H. Kamahori, K. Onogi, S. Okajima: The JRA-55CHS: An atmospheric reanalysis constructed with high-resolution sea surface temperature, SOLA, 14, 2018, 6-13. Journal Site

3. Okajima, S.*, H. Nakamura, K. Nishii, T. Miyasaka, A. Kuwano-Yoshida: Assessing the importance of prominent warm SST anomalies over the midlatitude North Pacific in forcing large-scale atmospheric anomalies during 2011 summer and autumn, J. Climate, 27, 3889-3903, 2014. Journal Site

• Yamagami, Y.*, Tatebe, H., Kohyama, T., Kido, S., & Okajima, S. (2025). Gulf Stream drives Kuroshio behind the recent abnormal ocean warming. arXiv preprint arXiv:2503.01117. 

(+ two co-authoring papers)

1. Sakamoto, R.*, Takaya, Y., Hirahara, S., Naoe, H., Okajima, S., Ueda, H. (2025). Midlatitude Atmosphere-Ocean Interaction Reinforces the East Asian Winter Monsoon, Geophysical Research Letters, 52, e2025GL118566. https://doi.org/10.1029/2025GL118566

2. Kawamura, T.*, Kosaka, Y., Okajima, S., Nakamura, H. (2025). Projected changes of the Northern Annular Mode linked to seasonality of the ENSO teleconnection. Geophysical Research Letters, 52, e2025GL118175. Journal Site

3. Okajima, S.*, Y. Kosaka, T. Miyasaka, R. Ito (2025): Unprecedented Marine Heatwave Significantly Exacerbated the Record-breaking 2023 East Asian Summer Heatwave, AGU Advances, e2025AV001673. Journal Site

4. Koike, M.*, Y. Kawai, K. Adachi, H. Aiki, Y. Kanaya, H. Kawai, K. Kita, F. Kondo, T. Koshiro, H. Matsui, T. Miyakawa, A. Miyamoto, T. Miyasaka, Y. Miyazaki, M, Mochida, T. Mori, N. Moteki, T. Murayama, H. Nakamura, S. Ohata, E. Oka, S. Okajima, Y. Tobo, S. Sekizawa, A. Yoshida (2025): Integrated aircraft and research vessel observational studies of aerosols and clouds in summer over the western North Pacific, Progress in Earth and Planetary Science, 12, 50. https://doi.org/10.1186/s40645-025-00719-1

5. Okajima. S.*, H. Nakamura, A. Kuwano-Yoshida, R. Parfitt (2025): Mechanisms for an Early Spring Peak of Extratropical Cyclone Activity in East Asia. Journal of Climate, 38(9), 1981–1997. Journal Site

6. Satoh, R.*, Y. Kosaka, H. Nakamura, A. Miyamoto, S. Okajima (2025): Energetics of Atmospheric Meridional Teleconnection Patterns over the North Pacific in Winter, Journal of Climate, 38(2), 611-626. Journal Site

7. Sekizawa, S.*, S. Okajima, A. Miyamoto, T. Miyasaka, H. Kawai, M. Koike, H. Nakamura (2025): Summer low clouds off southeast of Hokkaido simulated in the Japan Meteorological Agency Meso-scale model under different synoptic conditions, SOLA, 21, 24-33. Journal Site

8. Okajima, S.*, Nakamura, H., Kaspi, Y. (2024). Reply to Comment by Chang on “Anticyclonic suppression of the North Pacific transient eddy activity in midwinter", Geophys. Res. Lett., 51, e2024GL111599. https://doi.org/10.1029/2024GL111599 Journal Site

9. Okajima, S.*, Nakamura, H., Spengler, T. (2024). Midlatitude oceanic fronts strengthen the hydrological cycle between cyclones and anticyclones. Geophysical Research Letters, 51, e2023GL106187.Journal Site

10. Okajima, S.*, Nakamura, H., Kaspi, Y. (2024). Anticyclonic suppression of the North Pacific transient eddy activity in midwinter. Geophys. Res. Lett., 51, e2023GL106932. Journal Site

11. Okajima, S.*, H. Nakamura, Y. Kaspi: Distinct roles of cyclones and anticyclones in setting the midwinter minimum of the North Pacific eddy activity: a Lagrangian perspective, J. Climate, 36(14), 4793-4814, 2023.Journal Site

12. Nakayama, M.*, H. Nakamura, S. Okajima, F. Ogawa: Modulations of Storm-Track Activity Associated with the Baroclinic Annular Mode, J. Climate, 36(12), 4219-4234, 2023. Journal Site

13. Nomura, S., B. Taguchi*, H. Tamura, S. Okajima: Forcing Mechanisms associated with the Destructive Record-High 2008 Ocean Swell Wave in Toyama Bay, Earth and Space Science, 10, e2022EA002750, 2023. Journal Site

14. Okajima, S.*, H. Nakamura, Y. Kaspi: Energetics of transient eddies related to the midwinter minimum of the North Pacific storm-track activity, J. Climate, 35(4), 1137-1156, 2022.Journal Site

15. Kuwano-Yoshida, A.*, S. Okajima, H. Nakamura: Rapid increase of explosive cyclone activity over the midwinter North Pacific in the late 1980s, J. Climate, 35(3), 1113-1133, 2022.Journal Site 

16. Okajima, S.*, H. Nakamura, Y. Kaspi: Cyclonic and anticyclonic contributions to atmospheric energetics, Scientific Reports, 11, 13202, 2021. Journal Site

17. Okajima, S.*, H. Nakamura, K. Nishii, T. Miyasaka, A. Kuwano-Yoshida, B. Taguchi, M. Mori, Y. Kosaka: Mechanisms for the Maintenance of Wintertime Basin-Scale Atmospheric Response to Decadal SST Variability in the North Pacific Subarctic Frontal Zone, J. Climate, 31, 297-315, 2018. Journal Site

18. Masunaga, R.*, H. Nakamura, H. Kamahori, K. Onogi, S. Okajima: The JRA-55CHS: An atmospheric reanalysis constructed with high-resolution sea surface temperature, SOLA, 14, 2018, 6-13. Journal Site

19. Okajima, S.*, H. Nakamura, K. Nishii, T. Miyasaka, A. Kuwano-Yoshida: Assessing the importance of prominent warm SST anomalies over the midlatitude North Pacific in forcing large-scale atmospheric anomalies during 2011 summer and autumn, J. Climate, 27, 3889-3903, 2014. Journal Site

1. Kuwano-Yoshida, A., Takemura, K., Yamazaki, S., Nakamura, H., Kamae, Y., & Okajima, S. (2025): Synoptic-scale Phenomena (Current Status and Future Prospects of Japanese Meteorology 2024), Tenki, Vol. 72(1), pp. 32–33. (In Japanese)

2. Okajima, S., Nakamura, H., & Kuwano-Yoshida, A. (2024): Migratory Cyclone Activity in East Asia in Spring, Report of the FY2023 Research Workshop on Extreme Weather and Long-Term Variation, pp. 65–68. (In Japanese)

3. Okajima, S. (2024): A Multi-faceted and "Hybrid" Perspective on Migratory Disturbance Activity, Kaiyo Monthly, January 2024 Special Issue "Dynamics of Ocean and Atmosphere Waves, Vortices, and Circulation", pp. 26–32. (In Japanese)

4. Okajima, S. (2023): Separation of the Contributions of Cyclonic and Anticyclonic Vortices in the Eulerian Statistics of Disturbances – FY2022 Yamamoto Award Commemorative Lecture –, Tenki, Vol. 70, No. 7. (In Japanese)

5. Okajima, S. (2022): Materialization of 3D Gridded Data — "Substantiation" by 3D Printer —, Tenki, Vol. 69, No. 8. (In Japanese)

6. Aoki, S., Okajima, S., Ogawa, F., Kodera, K., Taguchi, B., Nishii, K., Nonaka, M., Masunaga, R., Mizuta, R., Miyasaka, T., Miyamoto, A., Murasaki, M., Yukimoto, S., Kuwano-Yoshida, A., & Nakamura, H. (2021): Oceanic/Hemispheric Scale Vertically Coupled Variations in the Atmosphere-Ocean-Cryosphere System, Meteorological Research Note "Climate System Hotspot: New Developments in Mid-Latitude Atmosphere-Ocean Interaction Research" 244, pp. 245–278. (In Japanese)

7. Ito, S., Enomoto, T., Okajima, S., Kamahori, H., Kawai, Y., Kunii, M., Koike, M., Kobayashi, C., Shimada, T., Masunaga, R., Kuwano-Yoshida, A., Wada, A., & Nakamura, H. (2021): Data Open to the Community, Meteorological Research Note "Climate System Hotspot: New Developments in Mid-Latitude Atmosphere-Ocean Interaction Research" 244, pp. 341–354. (In Japanese)

8. Sasaki, H., Nonaka, M., Kuwano-Yoshida, A., Okajima, S., & Sasai, Y. (2014): Understanding Roles of Oceanic Fine Structures in Climate and Its Variability, Annual Report of the Earth Simulator Center April 2014, pp. 9–13.

9. Okajima, S., Nakamura, H., Nishii, K., Miyasaka, T., & Kuwano-Yoshida, A. (2013): Possibility and Mechanism of Atmospheric Forcing by Sea Surface Temperature Anomalies in the Mid-latitude North Pacific, Predictability of Significant Phenomena in Weekly and One-month Forecasts, pp. 131–134. (In Japanese)

1. Okajima, S. (2025). cubed [Computer software]. https://github.com/sokajima-climate/cubed/

2. Okajima, S. (2025). Data of WRF experiments for the 2023 East Asian summer heatwave [Data set]. Zenodo. https://doi.org/10.5281/zenodo.14903493

3. Okajima, S. (2024). Flow fields of simple cases with various configurations of eddies and background flows [Data set]. Zenodo. https://doi.org/10.5281/zenodo.13252873

1. Satoru Okajima, Yu Kosaka, Takafumi Miyasaka, Rui Ito, Marine heatwave significantly exacerbates the record-breaking 2023 East Asian summer heatwave, BACO-25 (Busan, South Korea, 2025.07).

2. Satoru Okajima, Hisashi Nakamura, Akira Kuwano-Yoshida, Rhys Parfitt, Mechanisms for an Early Spring Peak of Extratropical Cyclone Activity in East Asia, BACO-25 (Busan, South Korea, 2025.07).

3. Satoru Okajima, Yu Kosaka, Takafumi Miyasaka, Rui Ito, Marine heatwave significantly exacerbates the record-breaking 2023 East Asian summer heatwave, International Workshop “Mid-latitude Atmosphere-Ocean-Ecosystem Interactions: Processes, Predictability, and Habitability" (Fukuoka, Japan, 2025.07).

4. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi, Anticyclonic suppression of the storm track activity, stormtracs 2025 workshop (Rosendal, Norway, 2025.06) 

5. Satoru Okajima, Hisashi Nakamura, Thomas Spengler, Essential roles of synoptic-scale transient eddies in frontal air-sea interactions, Japan-Norway workshop (Bergen, Norway, 2025.06)

6. Satoru Okajima, Hisashi Nakamura, Thomas Spengler, Essential roles of synoptic-scale transient eddies in frontal air-sea interactions, Japan-LMD Mini-workshop (Paris, France, 2025.06)

7. Satoru Okajima, Yu Kosaka, Takafumi Miyasaka, Rui Ito, Marine heatwave significantly exacerbates the record-breaking 2023 East Asian summer heatwave, JpGU2025 (Chiba, Japan, 2025.05).

8. Satoru Okajima, Shoichiro Kido, Meghan Cronin, Hiroyuki Tomita, Quantifying the importance of synoptic-scale atmospheric disturbances for time-mean air-sea fluxes, 2025 Workshop on Ocean and Atmosphere Simulations (Kanagawa, Japan, 2025.03)

9. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi, Anticyclonic suppression of the storm track activity, ArCS-II—Norway Joint Workshop on storm tracks and atmosphere-ocean interactions (Bergen, Norway, 2025.03)

1. Satoru Okajima, Yu Kosaka, Takafumi Miyasaka, Rui Ito, Marine heatwave significantly exacerbates the record-breaking 2023 East Asian summer heatwave, AGU24 (USA, 2024.12).

2. Satoru Okajima, Shoichiro Kido, Meghan Cronin, Hiroyuki Tomita, Quantifying the importance of synoptic-scale atmospheric disturbances for time-mean air-sea fluxes, AGU24 (USA, 2024.12).

3. Satoru Okajima: Seasonality of the North Pacific storm track activity and its change under the changing climate, Japan Meteorological Society 2024 Fall Meeting (Ogura Special Lecture Cooperative Session) (Ibaraki, Japan, 2024.11).

4. Satoru Okajima, Kazutoshi Onogi: Assessment of wintertime extratropical transient eddy activity in the JRA-3Q reanalysis, 6th WCRP International Conference on Reanalysis (Tokyo, 2024.10)

5. Satoru Okajima: Seasonality of the North Pacific eddy activity under the changing climate, UTokyo – SNU – Yonsei Univ Joint Workshop on Earth System Interaction under Changing Climate (Sapporo, 2024.08)

6. Satoru Okajima, Hisashi Nakamura, Thomas Spengler: Midlatitude Oceanic Fronts Strengthen the hydrological cycle between cyclones and anticyclones, The 9th GEWEX Open Science Conference (Sapporo, 2024.07)

7. Satoru Okajima, Yu Kosaka, Takafumi Miyasaka, Rui Ito: Impact of SST anomalies on the 2023 East Asian summer heat wave, 1st International Workshop on Earth System Variability and Predictability (Seoul, South Korea, 2024.07)

8. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi: Anticyclonic suppression of the North Pacific transient eddy activity in midwinter, 24th Conference on Atmospheric and Oceanic Fluid Dynamics (Burlington, USA, 2024.06)

9. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi: Anticyclonic suppression of the North Pacific transient eddy activity in midwinter, JpGU 2024 Meeting (Chiba, 2024.05)

10. Satoru Okajima, Hisashi Nakamura, Thomas Spengler: Midlatitude Oceanic Fronts Strengthen the Moisture Transport from Anticyclones to Cyclones, Bergen-ArCSII Join Workshop on storm tracks and atmosphere-ocean-ice interactions (Tokyo, 2024.03)

11. Satoru Okajima, Hisashi Nakamura, Thomas Spengler: Midlatitude Oceanic Fronts Strengthen the Moisture Transport from Anticyclones to Cyclones, Ocean Sciences Meeting 2024 (New Orleans, USA, 2024.02)

12. Satoru Okajima, Migratory cyclone activity in springtime East Asia, The 2nd Workshop on the A3 Foresight Program "Networking Climate Change Research Hubs for Promoting Future Earth Over Northeast Asia" (Zhuhai, China, 2023.12)

13. Satoru Okajima, H. Nakamura: A spring peak in the frequency of "south coast cyclones" along the Kuroshio, The International Workshop on "Communications on Future Changes of Extreme Weather with Reduced Uncertainty Based on Physical Understandings" (Chiba, 2023.11)

14. Satoru Okajima, H. Nakamura, Y. Kaspi: Distinct roles of cyclones and anticyclones in setting the midwinter minimum of the North Pacific eddy activity: a Lagrangian perspective, The Role of Atmospheric Dynamics for Climate and Extremes; A Joint DynVar-SNAP Meeting (Munich, Germany, 2023.10)

15. Satoru Okajima, H. Nakamura, Y. Kaspi: Anticyclonic suppression of the North Pacific transient eddy activity in midwinter, Japan-Israel Joint Symposium on Atmospheric Dynamics and Climate (Tokyo, 2023.09)

16. Satoru Okajima, H. Nakamura, Y. Kaspi: Cyclonic and anticyclonic contributions to the midwinter minimum of the North Pacific storm-track activity. Part I. Lagrangian perspective, The 28th IUGG General Assembly (Berlin, 2023.07).

17. Satoru Okajima, H. Nakamura, T. Spengler: Cyclonic and anticyclonic contributions to air-sea interactions around midlatitude oceanic frontal zones, The 28th IUGG General Assembly (Berlin, 2023.07).

18. Satoru Okajima, H. Nakamura, Y. Kaspi: Anticyclonic suppression of the North Pacific transient eddy activity in midwinter, Mid-latitude Ocean-Atmosphere Interactions: Their Processes and Predictability (Toyama, Japan, 2023.06)

19. Satoru Okajima, H. Nakamura: South coast cyclones along the Kuroshio: their seasonality and variability, SENTAN-Foresight Workshop on Tropical Climate Variability (Kanagawa, Japan, 2023.06)

20. Satoru Okajima, H. Nakamura, T. Spengler: Cyclonic and anticyclonic contributions to air-sea interactions around midlatitude oceanic frontal zones, JpGU Meeting 2023 (Chiba, Japan, 2023.05)

21. Satoru Okajima, H. Nakamura, T. Spengler: Cyclonic and Anticyclonic Contributions to Air-Sea Interactions around Midlatitude Oceanic Frontal Zones, Mesoscale and Frontal-Scale Air-Sea Interactions Workshop (Boulder, USA, 2023.03)

22. Satoru Okajima, H. Nakamura, Y. Kaspi: Distinct seasonality in the frequency of migratory cyclones and anticyclones over the North Pacific, ISAR-7 (Online/Tokyo, Japan, 2023.03)

1. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi: A new look at atmospheric energetics: cyclonic and anticyclonic contributions and their interactions with the jet stream, Storm Track Workshop 2022 (France, 2022.05, Oral)

2. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi:Cyclonic and anticyclonic contributions to atmospheric energetics, First NORPAN2–ArCS II Bilateral Workshop on the Arctic and Global Climate(Oral, 2022.03)

3. Satoru Okajima, Hisashi Nakamura, Yohai Kaspi:Energetics of the midwinter suppression of the North Pacific storm-track activity, International workshop for mid-latitude air-sea interaction (Online, 2021.06)

1. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Masato Mori, Yu Kosaka, Characteristics and dynamics of seasonality of the North Pacific stormtrack, NORPAN Closing Workshop, Feb 2019, Kanagawa(Japan). (Oral)

2. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Masato Mori, Yu Kosaka, Mechanisms for Maintaining Basin-Scale Atmospheric Response to Decadal Variability of the North Pacific Oceanic Frontal Zone, JpGU Meeting 2018, May 2018, Chiba(Japan). (Poster)

3. Satoru Okajima, Hisashi Nakamura, Ryusuke Masunaga ,Hirotaka Kamahori, Chiaki Kobayashi, Interannual modulations of the influence of North Pacific oceanic fronts on the atmosphere as revealed in the JRA-55 family, JpGU-AGU Joint Meeting 2017, May 2017, Chiba(Japan). (Oral)

4. Satoru Okajima, Hisashi Nakamura, Ryusuke Masunaga ,Hirotaka Kamahori, Chiaki Kobayashi, Interannual modulations of the influence of North Pacific oceanic fronts on the atmosphere as revealed in the JRA-55 family, Workshop on global precipitation systems, November 2016, Yokohama(Japan). (Oral)

5. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Extratropical Frontal- and Meso-scale Air-Sea Interaction: Possibility and mechanism of atmospheric response to wintertime SST anomalies in the North Pacific frontal zone and its relationship to atmospheric internal variability, CLIVAR Open Science Conference, September 2016, Qingtao(China). (Poster)

6. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Wintertime atmospheric response to decadal SST anomalies in the North Pacific frontal zone and its relationship to dominant atmospheric internal variability, NORPAN kick-off meeting, May 2016, Tokyo(Poster)

7. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Wintertime atmospheric response to decadal SST anomalies in the North Pacific frontal zone and its relationship to dominant atmospheric internal variability, 26th Ocean Sciences Meeting, February 2016, New Orleans(USA). (Oral)

8. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Bunmei Taguchi, Wintertime atmospheric response to decadal SST anomalies in the North Pacific frontal zone and its relationship to atmospheric internal variability, 26th IUGG General Assembly, June 2015, Prague(Czech Rep.). (Oral)

9. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Assessing the importance of prominent warm SST anomalies and northward shift of oceanic frontal zone over the midlatitude North Pacific in forcing atmospheric anomalies in October, 95th AMS Anuual Meeting, January 2015, Phoenix(USA). (Oral)

10. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Assessing the importance of prominent warm SST anomalies over the midlatitude North Pacific in forcing atmospheric anomalies during 2011 summer/autumn, AOGS 2014 Meeting, July 2014, Sapporo, Japan. (Oral)

11. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Assessing the importance of prominent warm SST anomalies over the midlatitude North Pacific in forcing atmospheric anomalies during 2011 summer/autumn, 2014 Ocean Sciences Meeting, February 2014, Honolulu, The United States. (Poster)

12. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Possible influence of prominent SST anomalies in October 2011 over the midlatitude North Pacific on the atmospheric circulation, Davos Atmosphere and Cryosphere Assembly 2013, July 2013, Davos, Switzerland. (Oral)

13. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Possible Atmospheric Response to Prominent Warm SST Anomalies in the Midlatitude North Pacific during Summer/Autumn 2011, August 2012, Kunming, China. (Poster)

14. Satoru Okajima, Hisashi Nakamura, Kazuaki Nishii, Takafumi Miyasaka, Akira Kuwano-Yoshida, Possible Atmospheric Response to Prominent Warm SST Anomalies in the Midlatitude North Pacific during Summer/Autumn 2011, 2012 JpGU Meeting, Chiba, May, 2012. (Poster)

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• 2013年3月21日　先端研リサーチツアー講義（県立山形南高校）

• 2012年6月1・2日 先端研キャンパス公開 研究室紹介

2015年-2019年　大学院生・若手研究者による学園祭でのアウトリーチ活動

「10分で伝えます！東大研究最前線」の企画運営及び講演

• (企画サイト)2015年 東京大学五月祭

• 2015年 東京大学駒場祭

• 2016年 東京大学五月祭

• 2016年 東京大学駒場祭

• 2017年 東京大学五月祭

• 2017年 東京大学駒場祭

• 2018年 東京大学五月祭

• 2018年 東京大学駒場祭

• 2019年 東京大学五月祭

• 西口 大貴, 庄司 佳祐, 山岡 馨, 岡島 悟, 末石 智大, 廣井 卓思, 大学祭を活用した大学院生・若手研究者による「10分で伝えます！東大研究最前線」の実施報告, 2016年度日本物理学会秋季大会

• 2025/09/16: Press release "Unveiling the Underlying Mechanism of the Record-Breaking 2023 East Asian Summer Heatwave: The Notable Role of Unprecedented Marine Heatwaves" (University of Tsukuba)

• 2025/04/17: Press release "Unveiling the Mechanism Underlying the Peak Observed in the Extratropical Cyclone Activity During Spring in East Asia" (University of Tsukuba)

• 2022/12/4: Threat of megastorms ~ Bomb cyclones increase; more typhoons bear down on Tokyo (Nikkei Asia)

• 2021/06/24: Press release "Cyclone study improves climate projections: A new study quantifies how cyclones contribute to global climate systems" (UTokyo Focus)