JAMSTEC > ALERA > ALERA2 Publications

ALERA2 Publications

System description and improvements

  • Enomoto, T., T. Miyoshi, Q. Moteki, J. Inoue, M. Hattori, A. Kuwano-Yoshida, N. Komori, S. Yamane, 2013: Observing-system research and ensemble data assimilation at JAMSTEC. In Data Assimilation for Atmospheric, Oceanic and Hydrologic Applications (Vol. II), S. K. Park and L. Xu (eds.), chapter 21, pp. 509–526, Springer, doi:10.1007/978-3-642-35088-7_21.
  • Miyoshi, T., and S. Yamane, 2007: Local ensemble transform Kalman filtering with an AGCM at a T159/L48 resolution. Mon. Wea. Rev., 135, 3841–3861, doi:10.1175/2007MWR1873.1.
  • Miyoshi, T., S. Yamane, and T. Enomoto, 2007: The AFES-LETKF experimental ensemble reanalysis: ALERA. SOLA, 3, 45–48, doi:10.2151/sola.2007-012.
  • Miyoshi, T., S. Yamane, and T. Enomoto, 2007: Localizing the error covariance by physical distances within a local ensemble transform Kalman filter. SOLA, 3, 89–92, doi:10.2151/sola.2007-023.
  • Yamazaki, A., T. Enomoto, T. Miyoshi, A. Kuwano-Yoshida, and N. Komori, 2017: Using observations near the poles in the AFES–LETKF data assimilation system. SOLA, 13, 41–46, doi:10.2151/sola.2017-008.
  • Yamazaki, A., T. Miyoshi, J. Inoue, T. Enomoto, and N. Komori, 2021: EFSO at different geographical locations verified with observing system experiments. Wea. Forecasting, 36 (4), 1219–1236, doi:10.1175/WAF-D-20-0152.1.

Papers using ALERA2

  • Hattori, M., J. Matsumoto, S.-Y. Ogino, T. Enomoto, and T. Miyoshi, 2016: The impact of additional radiosonde observations on the analysis of disturbances in the South China Sea during VPREX2010. SOLA, 12, 75–79, doi:10.2151/sola.2016-018.
  • Hattori, M., A. Yamazaki, S.-Y. Ogino, P. Wu, and J. Matsumoto, 2017: Impact of the radiosonde observations of cold surge over the Philippine Sea on the tropical region and the Southern Hemisphere in December 2012. SOLA, 13, 19–24, doi:10.2151/sola.2017-004.
  • Inoue, J., T. Enomoto, and M. E. Hori, 2013: The impact of radiosonde data over the ice-free Arctic Ocean on the atmospheric circulation in the Northern Hemisphere. Geophys. Res. Lett., 40 (5), 864–869, doi:10.1002/grl.50207.
  • Inoue, J., A. Yamazaki, J. Ono, K. Dethloff, M. Maturilli, R. Neuber, P. Edwards, and H. Yamaguchi, 2015: Additional Arctic observations improve weather and sea-ice forecasts for the Northern Sea Route. Sci. Rep., 5, 16868, doi:10.1038/srep16868.
  • Kawai, Y., Q. Moteki, A. Kuwano-Yoshida, T. Enomoto, A. Manda, and H. Nakamura, 2017: Impact propagation of radiosonde data assimilation over the Kuroshio and Kuroshio Extension: Case study on the early summer (Baiu) in 2012. J. Meteor. Soc. Japan, 95 (2), 71–90, doi:10.2151/jmsj.2017-004.
  • Komori, N., T. Enomoto, T. Miyoshi, A. Yamazaki, A. Kuwano-Yoshida, and B. Taguchi, 2018: Ensemble-based atmospheric reanalysis using a global coupled atmosphere-ocean GCM. Mon. Wea. Rev., 146 (10), 3311–3323, doi:10.1175/MWR-D-17-0361.1.
  • Lee, M.-H., J.-H. Kim, H.-J. Song, K. Sato, J. Inoue, and A. Yamazaki, 2019: Potential benefit of extra radiosonde observations around the Chukchi Sea for the Alaskan short-range weather forecast. Polar Science, 21, 124–135, doi:10.1016/j.polar.2018.12.005.
  • Ono, J., J. Inoue, A. Yamazaki, K. Dethloff, and H. Yamaguchi, 2016: The impact of radiosonde data on forecasting sea-ice distribution along the Northern Sea Route during an extremely developed cyclone. J. Adv. Model. Earth Syst., 8 (1), 292–303, doi:10.1002/2015MS000552.
  • Sato, K., J. Inoue, A. Yamazaki, J.-H. Kim, M. Maturilli, K. Dethloff, S. R. Hudson, and M. A. Granskog, 2017: Improved forecasts of winter weather extremes over midlatitudes with extra Arctic observations. J. Geophys. Res.: Oceans, 122 (2), 775–787, doi:10.1002/2016JC012197.
  • Sato, K., J. Inoue, S. P. Alexander, G. McFarquhar, and A. Yamazaki, 2018: Improved reanalysis and prediction of atmospheric fields over the Southern Ocean using campaign-based radiosonde observations. Geophys. Res. Lett., 45, 11406–11413, doi:10.1029/2018GL079037.
  • Sato, K., J. Inoue, A. Yamazaki, J.-H. Kim, A. Makshtas, V. Kustov, M. Maturilli, and K. Dethloff, 2018: Impact on predictability of tropical and mid-latitude cyclones by extra Arctic observations. Sci. Rep., 8, 12104, doi:10.1038/s41598-018-30594-4.
  • Sato, K., J. Inoue, A. Yamazaki, N. Hirasawa, K. Sugiura, and K. Yamada, 2020: Antarctic radiosonde observations reduce uncertainties and errors in reanalyses and forecasts over the Southern Ocean: An extreme cyclone case. Adv. Atmos. Sci., 37, 431–440, doi:10.1007/s00376-019-8231-x.
  • Sato, K., J. Inoue, and A. Yamazaki, 2020: Performance of forecasts of hurricanes with and without upper-level troughs over the mid-latitudes. Atmosphere, 11, 702, doi:10.3390/atmos11070702.
  • Yamazaki, A., J. Inoue, K. Dethloff, M. Maturilli, and G. König-Langlo, 2015: Impact of radiosonde observations on forecasting summertime Arctic cyclone formation. J. Geophys. Res.: Atmos., 120 (8), 3249–3273, doi:10.1002/2014JD022925.