Takumi Honda and Akira Yamazaki. Machine Learning Enables Real-Time Proactive Quality Control: A Proof-of-Concept Study. GEOPHYSICAL RESEARCH LETTERS, 2024, 51, 6, doi: 10.1029/2023GL107938
Akira Yamazaki, Shin Fukui, Shiori Sugimoto. The impacts of East Siberian blocking on the development of the JPCZ. SOLA:Scientific Online Letters on the Atmosphere, 2024, 20, p. 31-38, doi: 10.2151/sola.2024-005
Akira Yamazaki, Koji Terasaki, Takemasa Miyoshi, Shunsuke Noguchi. Estimation of AMSU-A radiance observation impacts in an LETKF-based atmospheric global data assimilation system: Comparison with EFSO and observing system experiments. WEATHER AND FORECASTING, 2023, 38, 6, p. 953-970, doi: 10.1175/WAF-D-22-0159.1
Yohei Yamada, Tomoki Miyakawa, Masuo Nakano, Chihiro Kodama, Akiyoshi Wada, Tomoe Nasuno, Yingwen Chen, Akira Yamazaki, Hisashi Yashiro, Masaki Satoh. Large ensemble simulation for investigating predictability of precursor vortices of Typhoon Faxai in 2019 with a 14-km mesh global nonhydrostatic atmospheric model. GEOPHYSICAL RESEARCH LETTERS, 2023, 50, 3, doi: 10.1029/2022GL100565
Kazutoshi Sato, Jun Inoue, Akira Yamazaki, Yoshihiro Tomikawa, Kaoru Sato. Reduced error and uncertainty in analysis and forecasting in the Southern Hemisphere through assimilation of PANSY radar observations from Syowa Station: A midlatitude extreme cyclone case. QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, 2022, 148, 748, p. 3115-3130, doi: 10.1002/qj.4347
木戸晶一郎・山崎 哲・野中正見・見延庄士郎. オンライン会合でのGatherの利用. 天気, 2021, 68, 11, p. 605-610
S. Kasuga, M. Honda , J. Ukita, S. Yamane , H. Kawase, and A. Yamazaki. Seamless Detection of Cutoff Lows and Preexisting Troughs. MONTHLY WEATHER REVIEW, 2021, 149, 9, p. 3119-3134, doi: 10.1175/MWR-D-20-0255.1
Ayako Yamamoto, Masami Nonaka, Patrick Martineau, Akira Yamazaki, Young-Oh Kwon, Hisashi Nakamura, and Bunmei Taguchi. Oceanic moisture sources contributing to wintertime Euro-Atlantic blocking. Weather and Climate Dynamics, 2021, 2, 3, p. 819-840, doi: 10.5194/wcd-2-819-2021
Yamazaki, A., T. Miyoshi, J. Inoue T. Enomoto, and N. Komori. EFSO at different geographical locations verified with observing-system experiments. WEATHER AND FORECASTING, 2021, 36, 4, p. 1219-1236, doi: 10.1175/WAF-D-20-0152.1
Kazutoshi Sato, Jun Inoue, Akira Yamazaki. Performance of Forecasts of Hurricanes with and without Upper-Level Troughs over the Mid-Latitudes. Atmosphere, 2020, 11, 7, p. 1-18, doi: 10.3390/atmos11070702
Kazutoshi SATO, Jun INOUE, Akira YAMAZAKI, Naohiko HIRASAWA, Konosuke SUGIURA, and Kyohei YAMADA. Antarctic Radiosonde Observations Reduce Uncertainties and Errors in Reanalyses and Forecasts over the Southern Ocean: An Extreme Cyclone Case. ADVANCES IN ATMOSPHERIC SCIENCES, 2020, 37, 5, p. 431-440, doi: 10.1007/s00376-019-8231-x
Akira Yamazaki, Meiji Honda, and Hiroaki Kawase. Regional Snowfall Distributions in a Japan-Sea Side Area of Japan Associated with Jet Variability and Blocking. JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN, 2019, 97, 1, p. 205-226, doi: 10.2151/jmsj.2019-012
Min-Hee Lee, Joo-Hong Kim, Hyo-Jong Song, Jun Inoue, KazutoshiSato, Akira Yamazaki. Potential benefit of extra radiosonde observations around the Chukchi Sea for the Alaskan short-range weather forecast. Polar Science, 2018, 21, p. 124-135, doi: 10.1016/j.polar.2018.12.005
Kazutoshi Sato, Jun Inoue, Simon P. Alexander, Greg McFarquhar, Akira Yamazaki. Improved reanalysis and prediction of atmospheric fields over the Southern Ocean using campaign-based radiosonde observations. GEOPHYSICAL RESEARCH LETTERS, 2018, 45, doi: 10.1029/2018GL079037
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Atmospheric Reanalysis using a Global Coupled Atmosphere-Ocean GCM. MONTHLY WEATHER REVIEW, 2018, 146, 10, p. 3311-3323, doi: 10.1175/MWR-D-17-0361.1
Kazutoshi Sato, Jun Inoue, Akira Yamazaki, Joo-Hong Kim, Alexander Makshtas, Vasilli Kustov, Marion Maturilli & Klaus Dethloff. Impact on predictability of tropical and mid-latitude cyclones by extra Arctic observations. Scientific Reports, 2018, 8, doi: 10.1038/s41598-018-30594-4
Hiroaki Kawase, Akira Yamazaki, Hajime Iida, Kazuma Aoki, Wataru Shimada, Hidetaka Sasaki, Akihiko Murata, and Masaya Nosaka. Simulation of extremely small amounts of snow observed at high elevations over the Japanese Northern Alps in the 2015/16 winter. SOLA: Scientific Online Letters on the Atmosphere, 2018, 14, p. 39-45, doi: 10.2151/sola.2018-007
吉岡大秋、筆保弘徳、榎本剛、勝俣昌己、山崎哲、横井覚、辻野智紀、舛田あゆみ、城岡竜一. PALAU2013で観測された台風第1304号の発生予報実験における初期値依存性の解析. 天気, 2017, 64, 12, p. 873-885
Norihiko Sugimoto, Akira Yamazaki, Toru Kouyama, Hiroki Kashimura, Takeshi Enomoto, and Masahiro Takagi. Development of an ensemble Kalman filter data assimilation system for the Venusian atmosphere. Scientific Reports, 2017, 7, doi: 10.1038/s41598-017-09461-1
Akira Yamazaki, Takeshi Enomoto, Takemasa Miyoshi, Akira Kuwano-Yoshida, and Nobumasa Komori. Using observations near the poles in the AFES-LETKF data assimilation system. SOLA, 2017, 13, p. 41-46, doi: 10.2151/sola.2017-008
Miki Hattori, Akira Yamazaki, Shin-Ya Ogino, Peiming Wu, and Jun Matsumoto. Impact of the Radiosonde Observations of Cold Surge over the Philippine Sea on the Tropical Region and the Southern Hemisphere in December 2012. SOLA, 2017, 13, p. 19-24
Kazutoshi Sato, Jun Inoue, Akira Yamazaki, Joo-Hong Kim, Marion Maturilli, Klaus Dethloff, Stephen R. Hudson, Mats A. Granskog. Improved forecasts of winter weather extremes over midlatitudes with extra Arctic observations. Journal of Geophysical Research: Oceans, 2017, 122, doi: 10.1002/2016JC012197
Meiji Honda, Akira Yamazaki, Akira Kuwano-Yoshida, Yusuke Kimura, Katsushi Iwamoto. Synoptic Conditions Causing an Extreme Snowfall Event in the Kanto-Koshin District of Japan on 14-15 February 2014. SOLA, 2016, 12, p. 259-264, doi: 10.2151/sola.2016-051
Jun Ono, Jun Inoue, Akira Yamazaki, Klaus Dethloff, Hajime Yamaguchi. The impact of radiosonde data on forecasting sea-ice distribution along the Northern Sea Route during an extremely developed cyclone. Journal of Advances in Modeling Earth Systems, 2016, 8, 1, p. 292-303, doi: 10.1002/2015MS000552
Inoue, J., A. Yamazaki, J. Ono, K. Dethloff, M. Maturilli, R. Neuber, P. Edwards, and H. Yamaguchi. Additional Arctic observations improve weather and sea-ice forecasts for the Northern Sea Route. Scientific Reports, 2015, 5, doi: 10.1038/srep16868
Akira Yamazaki, Meiji Honda, Akira Kuwano-Yoshida. Heavy snowfall in Kanto and on the Pacific Ocean side of northern Japan associated with western Pacific blocking.. SOLA, 2015, 11, p. 59-64, doi: doi:10.2151/sola.2015-013
Akira Yamazaki, Jun Inoue, Klaus Dethloff, Marion Maturilli, and Gert Konig-Langlo. Impact of radiosonde observations on forecasting summertime Arctic cyclone formation. Journal of Geophysical Research - Atmospheres, 2015, 120, p. 3249-3273, doi: 10.1002/2014JD022925
Ensemble simulations of the global coupled ocean-sea-ice system. Proceedings of the 28th International Symposium on Okhotsk Sea & Sea Ice, 2013, p. 196-199
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Atmospheric Reanalysis using a Global Coupled Atmosphere--Ocean GCM. 9th Japanese Data Assimilation Workshop, 2018
Akira Yamazaki, Takemasa Miyoshi, Takeshi Enomoto, Nobumasa Komori, Jun Inoue. Using the Ensemble Forecast Sensitivity to Observations (EFSO) technique for global observing system experiments (OSEs). Workshop on Sensitivity Analysis and Data Assimilation in Meteorology and Oceanography, 2018
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Atmospheric Reanalysis using a Global Coupled Atmosphere-Ocean GCM. 日本地球惑星科学連合 2018年大会, 2018
Akira Yamazaki, Takemasa Miyoshi, Takeshi Enomoto, Nobumasa Komori, Jun Inoue. Using the Ensemble Forecast Sensitivity to Observations (EFSO) technique for an adaptive sampling problem in a global observing system. JpGU2018, 2018
Akira Yamazaki, Takeshi Enomoto, Takemasa Miyoshi, and Nobumasa Komori. AFES-LETKF data assimilation system for an experimental atmospheric global ensemble reanalysis. 5th International Conference on Reanalysis (ICR5), 2017
山崎哲. Vortex-vortex interactions for the maintenance of atmospheric blocking: The selective absorption mechanism.. JpGU2017, 2017
Sato, K., Inoue, J., Yamazaki, A.. Additional Arctic observations improved forecast skill of a typhoon over midlatitude. JpGU2017, 2017
Miki Hattori, Akira Yamazaki, Shin-Ya Ogino, Peiming Wu, Jun Matsumoto. The Impact of the Radiosonde Observations of Cold Surge over the Philippine Sea on the Analysis of the Tropical Cyclones. European Geosciences Union (EGU) General Assembly 2017, 2017
Miki Hattori, A. Yamazaki, S. Ogino, Peiming.Wu, J. Matsumoto,. The Impact of the Radiosonde Observations of Cold Surge over the Philippine Sea in December 2012. RIKEN International Symposium on Data Assimilation 2017, 2017
Masami Nonaka, Akira Yamazaki, Yushi Morioka, A. Kuwano-Yoshida, N. Komori, B. Taguchi, Hideharu Sasaki. Mid-latitude fine-scale oceanic variability and its interaction with atmosphere and relating APL research activities. Symposium on "Past, Present, Future of Predicting Ocean and Climate Variability", 2017
Akira Yamazaki. Observing system experiments for the Arctic region using AFES-LETKF ensemble data assimilation system ver. 2 (ALEDAS2) and recent development toward ALEDAS3. 第6回データ同化ワークショップ, 2016
A. Yamazaki, J. Inoue, K. Dethloff, M. Maturilli, G. Konig-Langlo. Impact of radiosonde observations on forecasting summertime Arctic cyclone formation. the 26th IUGG 2015 General Assembly, 2015
A. Yamazaki, J. Inoue, K. Dethloff, M. Maturilli, G. Konig-Langlo. IMPACT OF RADIOSONDE OBSERVATION ON A SUMMERTIME ARCTIC CYCLONE FORMATION FORECAST. ASSW2015, 2015
Yoshioka, H., H. Fudeyasu, M. Katsumata, A. Yamazaki, S. Yokoi, S. Tsujino, A. Masuda, and R. Shirooka. Large-scale influences on the formation of Typhoon LEEPI using observational data and ensemble downscale experiments.. 13th RSM Workshop, 2014
Akira Yamazaki, Meiji Honda, Akira Kuwano-Yoshida. Winter snowfall events and atmospheric blocking over east region of Japan. Workshop on perspectives in computational climate science and 7th OFES international workshop, 2014
Komori, N., T. Enomoto, T. Miyoshi, A. Yamazaki, and B. Taguchi. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. AOGS 11th Annual Meeting, 2014
YAMAZAKI AKIRA, INOUE JUN, Dethloff Klaus. The Impact of radiosonde data over the Arctic Ocean on predictability of the Arctic cyclone of August 2012.. AOGS 11th Annual Meeting, 2014
Komori, N., T. Enomoto, T. Miyoshi, A. Yamazaki, and B. Taguchi. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. Japan Geoscience Union Meeting 2014, 2014
Akira Yamazaki, Jun Inoue, and Klaus Dethloff. An observing system experiment using an ensemble reanalysis (ALERA2) for the predictability of the Arctic cyclone of August 2012. 29th International Symposium on Okhotsk Sea & Sea Ice, 2014
Arctic Research Collaboration for Radiosonde Observing System Experiments (ARCROSE). 29th International Symposium on Okhotsk Sea & Sea Ice, 2014
Akira Yamazaki, Jun Inoue, Klaus Dethloff. The impact of radiosonde data over the Arctic Ocean on predictability of the Arctic cyclone of August 2012. 6th OFES International Workshop and 3rd ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System, 2013
Komori, N., T. Enomoto, T. Miyoshi, A. Yamazaki, and B. Taguchi. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM (II). 6th OFES International Workshop and 3rd ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System, 2013
Komori, N., T. Enomoto , T. Miyoshi, A. Yamazaki, and B. Taguchi. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. 6th WMO Symposium on Data Assimilation, 2013
Akira Yamazaki, Hisanori Itoh. Vortex-vortex interactions for the maintenance of blocking: the selective absorption mechanism. Davos Atmosphere and Cryosphere Assembly DACA-13, 2013
Komori, N., T. Enomoto , T. Miyoshi, B. Taguchi, and A. Yamazaki. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. Davos Atmosphere and Cryosphere Assembly 2013, 2013
Komori, N., T. Enomoto , T. Miyoshi, B. Taguchi, and A. Yamazaki. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. AICS International Workshop on Data Assimilation, 2013
Ensemble simulations of the global coupled ocean-sea-ice system. 28th International Symposium on Okhotsk Sea & Sea Ice, 2013
Komori Nobumasa, Enomoto Takeshi, Miyoshi Takemasa, Taguchi Bummei, and Akira Yamazaki. Development of an ensemble-based data assimilation system with a coupled atmosphere-ocean GCM. 5th OFES International Workshop: 10-year progress of GCMs for the ES and future strategic perspective, 2013
Akira Yamazaki, Hisanori Itoh. On the maintenance of Euro-Russian blocking in summer of 2010. 5th OFES International Workshop, 2013
山崎哲・伊藤久徳. 持続的なブロッキングと移動性擾乱との相互作用メカニズム. 2012年度日本気象学会秋季大会予稿集, 2012, 102, p. 326-326
ポスター発表(JAMSTECでの成果)
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Atmospheric Reanalysis using a Global Coupled Atmosphere--Ocean GCM. 7th International Symposium on Data Assimilation, 2019
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-Based Atmospheric Reanalysis Using a Global Coupled Atmosphere-Ocean GCM. AOGS 15th Annual Meeting, 2018
A. Yamazaki (JAMSTEC), T. Miyoshi (RIKEN), and Nobumasa Komori (JAMSTEC). Implementing the ensemble forecast sensitivity to observations (EFSO) method with the AFES-LETKF data assimilation system. The 3rd RIKEN International Symposium on Data Assimilation (RISDA2017), 2017
Inoue, J., K. Sato, and A. Yamazaki. Sustainable Arctic observing network for forecasting weather extremes over the mid-latitudes. US CLIVAR Workshop: Arctic Change and Its Influence on Mid-Latitude Climate and Weather, 2017
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Experimental Atmospheric Reanalysis using a Global Coupled Atmosphere-Ocean GCM. Symposium on "Past, Present, Future of Predicting Ocean and Climate Variability", 2017
Komori, N., B. Taguchi, A. Kuwano-Yoshida, A. Yamazaki, and M. Nonaka. Influence of the Gulf Stream on the hemispheric-scale coupled atmosphere-ocean-sea ice system. CLIVAR Open Science Conference, 2016
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Experimental Atmospheric Reanalysis using a Global Coupled Atmosphere-Ocean GCM. CLIVAR Open Science Conference, 2016
Akira Yamazaki, Jun Inoue, Takeshi Enomoto, Takemasa Miyoshi, and Nobumasa Komori. Arctic OSE studies by using the AFES-LETKF data assimilation system. ISDA2016 (THE 5TH ANNUAL INTERNATIONAL SYMPOSIUM ON DATA ASSIMILATION), 2016
Nobumasa Komori, Takeshi Enomoto, Takemasa Miyoshi, Akira Yamazaki, Akira Kuwano-Yoshida and Bunmei Taguchi. Ensemble-based Experimental Atmospheric Reanalysis using a Global Coupled Atmosphere-Ocean GCM. 5th International Symposium on Data Assimilation, 2016
Komori, N., B. Taguchi, A. Kuwano-Yoshida, A. Yamazaki, and M. Nonaka. Influence of the Gulf Stream on the hemispheric-scale coupled atmosphere-ocean-sea ice system. Japan Geoscience Union Meeting 2016, 2016
Akira Yamazaki, Hisanori Itoh, and Hiroaki Naoe. A mechanism and predictability study of Euro-Russian blocking in summer of 2010. Workshop on Atmospheric Blocking, 2016
Storm Tracks and Low-Frequency Variabilities in AFES-LETKF Experimental Ensemble Reanalysis 2. the 6th WMO International Symposium on Data Assimilation, 2013
T. Enomoto, A. Yamazaki, T. Miyoshi, A. Kuwano-Yoshida, N. Komori, J. Inoue, M. E. Hori, Q. Moteki, S. Yamane. AFES-LETKEF experimental ensemble reanalysis 2. Sixth WMO Symposium on Data Assimilation, 2013
Akira Yamazaki, Hisanori Itoh. On the maintenance mechanism of Euro-Russian blocking in summer of 2010. Davos Atmosphere and Cryosphere Assembly DACA-13, 2013
北極海上のラジオゾンデ観測網の実験的強化計画. 日本気象学会2013年度春季大会, 2013
Akira Yamazaki. Synoptic and Large-scale phenomena in AFES-LETKF experimental ensemble reanalysis 2. AICS International Workshop on Data Assimilation, 2013
Akira Yamazaki and Hisanori Itoh. Vortex-Vortex Interactions for the Maintenance of Blocking.. AGU fall meeting 2012, 2012