News

February 27, 2025: The Extreme Ocean Warming page was updated and the results until 2024 are available. #ExtremeOceanWarming

February 27, 2025: The Japanese warming stripes based on JMA observations have been updated! Check this out: #ShowYourStripesJapan

January 1, 2025: My Open Access research article in J Climate on tropical intraseasonal variability, like MJO, was published online! [Hayashi and Jin 2025, J Climate]

October 16, 2024: The accepted manuscript of my research article in J Climate on tropical intraseasonal variability, like MJO, is available online. [Hayashi and Jin 2025, J Climate]

October 10, 2024: My research article in J Climate on tropical intraseasonal variability was accepted! [Hayashi and Jin 2025, J Climate]

August 29, 2024: A short post about my publication [Hayashi et al. 2024, SOLA] is released from NIES View LITE!

July 25, 2024: A summary of my publication [Hayashi et al. 2024, SOLA] is released from NIES View DEEP!

June 30, 2024: My research article in SOLA on the future scenario dependence of precipitation changes in Japan is available online! [Hayashi et al. 2024, SOLA]

May 22, 2024: The accepted manuscript of my research article in SOLA on the future scenario dependence of precipitation changes in Japan was published online! [Hayashi et al. 2024, SOLA]

May 7, 2024: My research article in SOLA on the future scenario dependence of precipitation changes in Japan was accepted! [Hayashi et al. 2024, SOLA]

May 2, 2024: Our research article in SOLA on the global to regional-scale emergent constraints is available online! [Shiogama et al. 2024, SOLA]

February 1, 2024: I became a senior researcher (主任研究員) at NIES as of Feb 1, 2024.

October 27, 2022: Our research article in Scientific Reports on East Asian heatwaves is available online! [Kim et al. 2022]

October 11, 2022: Updated information about extreme ocean warming events around Japan (Hayashi et al. 2022, doi:10.1029/2022GL100785) is available at the #ExtremeOceanWarming tab.

October 7, 2022: My research article in Geophysical Research Letters on the contribution of climate change to extreme ocean warming is available online! [Hayashi et al. 2022]

• Press release at EurekAlert! (Oct 7): Global warming at least doubled the probability of extreme ocean warming around Japan

• Press release at NIES (Oct 7): 日本近海で増える極端昇温への地球温暖化の影響が明らかに～「1.5℃目標」達成で過去最高水温の常態化を回避～ [in English: here]

• Media at Yomiuri newspaper (Oct 19): 海面の異常高温が急増、日本周辺で２倍以上起きやすく…温暖化が影響

• Media at 客观日本 (Nov 29): 日本国立环境研究所：日本近海增多的极端升温明显是受全球变暖的影响

September 16, 2022: The accepted manuscript of my research article in Geophysical Research Letters on the contribution of climate change to extreme ocean warming was published online! [Hayashi et al. 2022] [Shareable link to read for free!]

August 5: Our book titled "ENSO NONLINEARITY AND COMPLEXITY: FEATURES, MECHANISMS, IMPACTS AND PREDICTION" is available online. [Ren et al. 2022].

July 11, 2022: Our editorial on Research Topic "ENSO nonlinearity and complexity" is now available online! [Ren et al. 2022]

June 21, 2022: Our editorial on Research Topic "ENSO nonlinearity and complexity" (Front. Earth Sci.) was accepted.

May 17, 2022: My research article on the CMIP6-based future projections for impact and adaptation studies is now available online! [Hayashi & Shiogama 2022]

March 28, 2022: The accepted manuscript of my research article on the CMIP6-based future projections for impact and adaptation studies was published online! [Hayashi & Shiogama 2022]

March 14, 2022: My research article in SOLA on the CMIP6-based future projections for impact and adaptation studies was accepted! [Hayashi & Shiogama 2022]

January 26, 2022: A short review article on Tropical Widening is published in TENKI (written in Japanese).

August 9, 2021: My recent study on northwestern Pacific warming is featured in NHK news!

August 6, 2021: The first version of a Web App #ShowYourStripesJapan released! Go to the #ShowYourStripesJapan tab.

February 16, 2021: I supervised in part a quiz TV program on climate change and environmental issues that will be on the air on 23 Feb at the NHK general channel (in Japanese)! The TV program will be available for a week on the NHK plus website.

January 8, 2021: My research article in Geophysical Research Letters (Open Access) on the record warm Northwest Pacific Ocean in August 2020 caused by past human activities is available online! [Hayashi et al. 2021]

• Press release at EurekAlert! (Jan 14): Human-induced climate change caused the northwestern Pacific warming record in August 2020

• Press release at NIES (Jan 14): 過去の人間活動がもたらす日本南方沖の夏季異常高温～2020年8月の記録的北西太平洋高温の要因を分析～ [in English: here]

• News paper at TOKYO Web (Jan 18): 1000年に１度の高い海面水温　15年に１度の頻度に　日本の台風リスク高まる

December 11, 2020: The accepted manuscript of my research article in Geophysical Research Letters on the record warm Northwest Pacific Ocean in August 2020 was published online! [Hayashi et al. 2021] [Shareable link to read for free!]

August 28, 2020: My research article in Nature Communications on the ENSO asymmetry and climate projections was published online! [Hayashi et al. 2020a]

Press release at EurekAlert!: Fidelity of El Niño simulation matters for predicting future climate

UH News: Accuracy of El Niño simulation hones climate change estimates

• Press release at NIES: エルニーニョ現象の緻密な再現が熱帯域の温暖化予測精度を向上させる —赤道太平洋の海面下数百メートルの海流変動が鍵—

Apr 1, 2020: I started to work at National Institute for Environmental Studies in Japan.

Aug 27, 2018: Thank you! I received the Yamamoto Award from the Meteorological Society of Japan in 2018. [Link in Japanese]

Aug 16, 2018: Linear Baroclinic Model (LBM), developed by Masahiro Watanabe, is now maintained by Michiya Hayashi.

Jul 25, 2018: Our review paper on ENSO complexity was published in Nature! [Timmermann et al. 2018]

Jul 2, 2018: My Ph.D. dissertation is available online at UTokyo Repository.

Apr 10, 2018: Thank you! My article about the MJO [Hayashi and Itoh 2017] has been ranked 1st in a list of the most read articles in Journal of the Atmospheric Sciences during the past 1 year.

Apr 2, 2018: Started to work as a JSPS overseas research fellow (#201860671) at University of Hawaii at Manoa as of 1 April.

Dec 17, 2017: My research letter in Geophysical Research Letters on the ENSO nonlinearity was published online! [Hayashi and Jin 2017]