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J-GLOBAL ID：200901032590925974 Update date: Apr. 09, 2025

Ohigashi Tadayasu

オオヒガシタダヤス | Ohigashi Tadayasu

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Affiliation and department：
Job title： Special Researcher

Research field (1)： Atmospheric and hydrospheric science

Research keywords (6)： mesoscale meteorology , cloud microphysics , cloud and precipitation system , radar , sonde , numerical simulation

Research theme for competitive and other funds (24)：

2024 - 2029 Advanced Field Observation of Seeder-Feeder Heavy Rainfall Mechanism and Comprehensive Research for Water Hazard Mitigation
2022 - 2027 Weather control living with guerrilla heavy rainfall and line-shaped heavy rainfall
2021 - 2026 Study of dynamic-thermodynamic structure and intensification process of super-typhoon by aircraft observation
2022 - 2025 EarthCARE validation dataset created using ground-based Ka-band radar and microwave radiometer observations
2021 - 2024 Reconstruction of a conceptual model for the structure and development process of cumulonimbus clouds by high-frequency 3-dimensional cloud, precipitation, and lightning observations

2022 - 2023 Disaster-Hydrometeorology study meeting - fusion of researches on heavy rain and river basin runoff and flooding

2022 - 2023 Observation of atmospheric environmental fields for clarifying the generation process of cumulonimbus clouds

2020 - 2022 Generation process of isolated cumulonimbus clouds in horizontally uniform environments

2019 - 2022 Datasets of in-situ and Ka-band radar observations for validation of EarthCARE products

2018 - 2021 Polarimetric radar observation for early developing stage of cumulonimbus clouds

2016 - 2021 Dynamical, thermodynamical and cloud-microphysical studies of violent wind and heavy rain-producing tropical cyclones: Quantitative improvement of intensity estimations/forecasts

2015 - 2020 Integrated Research on State-of-the-art Multi-sensors In-situ Observation of Storm Genesis and Reduction of Serious Disaster due to Heavy Rainfall

2016 - 2019 Analysis on conversion processes from ice crystals to snowflakes using a Ka-band polarimetric cloud radar and ground-based instruments

2015 - 2018 Development of an identification method of supercooled liquid droplets using a scanning polarimetric cloud radar

2013 - 2016 An estimation of the upper-layer heating rate and in-situ observation of cloud ice of the typhoon-outflow layer controlling typhoon intensity

2015 - 2015 Characteristics of Arctic mixed-phase clouds observed by radar and their occurrence environments

2013 - 2015 Development of a method deriving microphysical quantities for cloud droplets and ice crystals using a new-type hydrometeor videosonde

2012 - 2015 Structure and development processes of mesoscale convective systems accompanied initical vortices of a tropical cyclone

2012 - 2015 Cloud microphysical processes in heavy snowfalls caused by an intensified broad cloud band over the Sea of Japan

2010 - 2015 Scientific and Integrated Research by In-situ Campaign Observations Synchronizing Video-sonde and the Latest Polarimetric Radar, Heading for Reduction of Water Related Disaster

2010 - 2013 Observation and modeling of cloud ice size distribution and its growth in the upper part of precipitating clouds

2008 - 2010 Multi-Parameter Radar Observation on the Formation Mechanism of Solid Precipitation Particles in a Broad Cloud Band Developed over the Sea of Japan in Winter

2007 - 2009 Improvement of Rainfall Estimation and Rainfall Prediction Using the Next Generation Polarimetric Radar and Its Impact Evaluation for Water Management

2004 - Participation in the 14th International Conference on Clouds and Precipitation

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Papers (36)：

Tadayasu Ohigashi. Role and challenges of monitoring in heavy rainfall control. Wind Engineers, JAWE. 2025. 50. 1. 37-41
Sachie Kanada, Masaya Kato, Kazuhisa Tsuboki, Tadayasu Ohigashi, Soichiro Hirano, Kensaku Shimizu, Risa Nozawa, Asuka Yoshimura, Yusuke Goto, Kanna Tsukagoshi. Evaluation of newly developed dropsonde for aircraft observation. SOLA (Scientific Online Letters on the Atmosphere). 2024. 20. 378-385
Asuka Yoshimura, Kazuhisa Tsuboki, Taro Shinoda, Tadayasu Ohigashi, Kensaku Shimizu. Objective classification for solid hydrometeor particles using deep learning. Progress in Earth and Planetary Science. 2024. 11. Article number: 57. 13 pp.
Ryohei Kato, Shingo Shimizu, Tadayasu Ohigashi, Takeshi Maesaka, Ken-ichi Shimose, Koyuru Iwanami. Prediction of meso-γ-scale local heavy rain by ground-based cloud radar assimilation with water vapor nudging. Weather and Forecasting. 2022. 37. 9. 1553-1566
Eigo Tochimoto, Satoshi Iizuka, Tadayasu Ohigashi. Influence of an upper-level trough on the formation of a Baiu frontal depression that caused a torrential rainfall event in southern Kyushu, Japan, on July 4, 2020. SOLA (Scientific Online Letters on the Atmosphere). 2022. 18A. 1-7

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MISC (14)：

高橋暢宏, 早坂忠裕, 別所康太郎, 山内洋, 西澤智明, 神慶孝, 大東忠保, 入江仁士, 森本真司, 鈴木賢士, et al. 日本の気象学の現状と展望2024, 3 .横断的な気象学・気候学の基礎, 3.1 観測. 天気. 2025. 72. 1. 51-53
大東忠保. 本だな「日本の降雪-雪雲の内部構造と豪雪のメカニズム-(気象学ライブラリー2)」村上正隆著 (書評). 天気. 2023. 70. 7. 327-327
Tadayasu Ohigashi. Disaster-Hydrometeorology Study Meeting - Fusion of Researches on Heavy Rain and River Basin Runoff and Flooding. 2023. 1-49
Tadayasu Ohigashi. Generation Process of Isolated Cumulonimbus Clouds in Horizontally Uniform Environments. 2022. 1-14
栃本英伍, 飯塚聡, 大東忠保. 梅雨前線上のメソ低気圧と令和2年7月豪雨の関係(第3章). 令和2年度科学研究費助成事業・特別研究促進費「令和2年7月豪雨災害の総合調査・研究」報告書. 2021. 26-35

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Books (3)：

Best Practice Protocol for the Validation of Aerosol, Cloud, and Precipitation Profiles (ACPPV)
Zenodo 2025
気候変動研究の最前線
地球気候環境研究の連携に関する大学附置研究センター協議会 2015
メソ対流系 (気象研究ノート)
日本気象学会 2005 ISBN:4990238311

Lectures and oral presentations (287)：

EarthCARE validation dataset created using ground-based Ka-band radar and microwave radiometer observations
(The Joint PI Meeting of JAXA Earth Observation Missions FY2024 2024)
Evaluation of newly developed dropsonde for aircraft observation
(ICMCS-XVI 2024)
Research on mechanisms of initiation and development of heavy rainfall systems and development of monitoring methods for their control
(Moonshot Goal 8 International Symposium on Weather Controllability 2024 2024)
Polarimetric signatures above the freezing altitude observed by Ka-band cloud radar
(19th International Conference on Clouds and Precipitation (ICCP 2024) 2024)
局地的大雨予測に対する雲レーダー同化手法の高度化 -積乱雲自動追跡による選択的同化手法の開発-
(日本気象学会2024年度春季大会 2024)

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Education (3)：

2002 - 2006 Nagoya University Graduate School of Environmental Studies Doctoral Course, Earth and Environmental Sciences
2000 - 2002 Nagoya University Graduate School of Science Master's Course, Department of Earth and Planetary Sciences
1996 - 2000 Kyushu University Faculty of Science Department of Earth and Planetary Sciences

Professional career (1)：

D.Sc. (Nagoya University)

Work history (5)：

2018/03 - 現在 National Research Institute for Earth Science and Disaster Resilience Storm, Flood and Landslide Research Division Researcher
2017/09 - 2018/02 Kyoto University Disaster Prevention Research Institute Program-Specific Assistant Professor
2007/09 - 2017/08 Nagoya University Hydrospheric Atmospheric Research Center/ Institute for Space Earth Environmental Research Designated Assistant Professor
2015/02 - 2015/08 McGill University Department of Atmospheric and Oceanic Sciences Visiting Fellow Scientist
2006/08 - 2007/08 University of Toronto Department of Physics, Faculty of Arts and Science Postdoctoral Fellow

Committee career (5)：

2022/06 - 現在 Meteorological Society of Japan Editor, SOLA Editorial Board
2020/08 - 現在 JAXA Member, EarthCARE Subcommittee, Science Advisory Committee on Earth Observations
2020/02 - 2020/03 JAXA Member, EarthCARE Comitteee
2016/01 - 2017/03 JAXA Member, EarthCARE Committee
2013/05 - 2014/03 JAXA Member, EarthCARE/CPR Committee

Awards (1)：

2019/01 - Meteorological Society of Japan 2018 SOLA Award Analysis and Forecast Using Dropsonde Data from the Inner-Core Region of Tropical Cyclone Lan (2017) Obtained during the First Aircraft Missions of T-PARCII

Association Membership(s) (3)：

Japan Geoscience Union , American Meteorological Society , Meteorological Society of Japan

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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