The Meteorological Society of Japan Scientific Online Letters on the Atmosphere (SOLA) EARLY ONLINE RELEASE This is a PDF of a manuscript that has been peer-reviewed and accepted for publication. As the article has not yet been formatted, copy edited or proofread, the final published version may be different from the early online release. This pre-publication manuscript may be downloaded, distributed and used under the provisions of the Creative Commons Attribution 4.0 International (CC BY 4.0) license. It may be cited using the DOI below. The DOI for this manuscript is DOI: 10.2151/sola. 2020-010. J-STAGE Advance published date: Mar. 3, 2020 The final manuscript after publication will replace the preliminary version at the above DOI once it is available. SOLA, XXXX, Vol.X, XXX-XXX, doi: 10.2151/sola.XXXX-XXX 1 1 Future Changes of Tropical Cyclones in the Midlatitudes in 2 4-km-mesh Downscaling Experiments from Large-Ensemble 3 Simulations 4 Sachie Kanada1, Kazuhisa Tsuboki1, and Izuru Takayabu2 5 1Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, Japan 6 2Meteorological Research Institute, Tsukuba, Japan 7 8 Corresponding author: Sachie Kanada, Nagoya University, Furo-cho, Chikusa-ku, 9 Nagoya 464-8601, Japan. E-mail:
[email protected]. © 2020, Meteorological 10 Society of Japan. 11 Abstract 12 To understand the impacts of global warming on tropical cyclones (TCs) in 13 midlatitude regions, dynamical downscaling experiments were performed using a 14 4-km-mesh regional model with a one-dimensional slab ocean model. Around 100 15 downscaling experiments for midlatitude TCs that traveled over the sea east of Japan 16 were forced by large-ensemble climate change simulations of both current and warming 17 climates.