RESEARCH

Contributions from Cyclonic and anticycloinic vortices to energetics

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

"Midwinter suppression" of the North Pacific storm-track activity

Energetics

  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, in press.Journal Site

In relation to the long-term modulation of "Bomb" cyclones

  1. Kuwano-Yoshida, A., S. Okajima, H. Nakamura: Rapid increase of explosive cyclone activity over the midwinter North Pacific in the late 1980s, J. Climate, in press.Journal Site
Introductory articles:

Large-scale atmospheric response to midlatitude SST anomalies

  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. 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

Impact of fine-scale SST over WBC region on atmosphere

  1. 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