著者
Hiroaki Kawase Munehiko Yamaguchi Yukiko Imada Syugo Hayashi Akihiko Murata Tosiyuki Nakaegawa Takafumi Miyasaka Izuru Takayabu
出版者
Meteorological Society of Japan
雑誌
SOLA (ISSN:13496476)
巻号頁・発行日
vol.17A, no.Special_Edition, pp.7-13, 2021 (Released:2021-01-28)
参考文献数
34
被引用文献数
20

Impacts of historical warming on extremely heavy rainfall induced by Typhoon Hagibis (2019) are investigated using a storyline event attribution approach with the Japan Meteorological Agency Nonhydrostatic Model (JMA-NHM). Control experiments based on JMA mesoscale analysis data well reproduce the typhoon's track, intensity, and heavy precipitation. First, two non-warming experiments are conducted: One excludes both 40-year atmospheric and oceanic temperature trends from 1980 to 2019, and the other excludes the oceanic trend only. A comparison between control and non-warming experiments indicates that historical warming strengthens typhoons and increases the amount of total precipitation by 10.9% over central Japan. The difference between CTL and non-warming experiments without both atmospheric and oceanic temperature trends is larger than that without just the oceanic trend (7.3%). Additional sensitivity experiments without Japan's topography indicate that topography enhances not only total precipitation but also the changes in total precipitation due to historical warming. Through the storyline event attribution approach, it is concluded that historical warming intensifies strength of Typhoon Hagibis (2019) and enhances the extremely heavy precipitation induced by the typhoon.

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温暖化で雨量11%増、昨年の台風19号 気象研など https://t.co/znzJ9PdK2c 気象研|近年の気温上昇が令和元年東日本台風の大雨に与えた影響 https://t.co/a43QgStNqs DOI:10.2151/sola.17A-002 https://t.co/PCU28TsJMM
Sola new paper: Kawase et al., Enhancement of Extremely Heavy Precipitation Induced by Typhoon Hagibis (2019) due to Historical Warming, SOLA, 2021, VOL.17A, 7-13, doi:10.2151/sola.17A-002, https://t.co/df3KeXExiV https://t.co/CzS5rDei6z

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