Articles | Volume 10, issue 3
https://doi.org/10.5194/gmd-10-1363-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-10-1363-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Model experiment description paper
| 
31 Mar 2017
Model experiment description paper |
| 31 Mar 2017
Global 7 km mesh nonhydrostatic Model Intercomparison Project for improving TYphoon forecast (TYMIP-G7): experimental design and preliminary results
Japan Agency for Marine-Earth Science and Technology, 3173-25
Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Akiyoshi Wada
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Masahiro Sawada
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Hiromasa Yoshimura
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Ryo Onishi
Japan Agency for Marine-Earth Science and Technology, 3173-25
Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Shintaro Kawahara
Japan Agency for Marine-Earth Science and Technology, 3173-25
Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Wataru Sasaki
Japan Agency for Marine-Earth Science and Technology, 3173-25
Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Tomoe Nasuno
Japan Agency for Marine-Earth Science and Technology, 3173-25
Showa-machi, Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Munehiko Yamaguchi
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Takeshi Iriguchi
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Masato Sugi
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
Yoshiaki Takeuchi
Meteorological Research Institute, Japan Meteorological Agency, 1-1
Nagamine, Tsukuba, Ibaraki 305-0052, Japan
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Hiromasa Yoshimura
EGUsphere, https://doi.org/10.5194/egusphere-2025-6120, https://doi.org/10.5194/egusphere-2025-6120, 2026
Short summary
Short summary
We have developed a two-dimensional x–z nonhydrostatic spectral model that achieves high computational efficiency by allowing long timesteps. The model incorporates several improvements that enhance numerical stability and accuracy. The model was tested with various cases, and good results were obtained. The model ran stably even in the case of an extremely steep mountain with an average slope of 63.4°. These improvements will be applied to a global atmospheric model in future work.
Kenshi Hibino, Izuru Takayabu, Hiroaki Kawase, Munehiko Yamaguchi, Yukiko Imada, Tetsuya Takemi, Nobuhito Mori, Takuya Miyashita, Sachie Kanada, Takahiro Sayama, Tomohiro Tanaka, Tsuyoshi Inoue, Yoshiaki Tanaka, Ryota Arai, Satoshi Godo, Masataka Murase, Shunsuke Sakuragi, and Toshiyuki Nakaegawa
EGUsphere, https://doi.org/10.5194/egusphere-2025-4772, https://doi.org/10.5194/egusphere-2025-4772, 2025
Preprint archived
Short summary
Short summary
An event-based experimental framework is developed to model typhoon disasters by coupling meteorological, river discharge, and storm-surge models. The framework is distinguished by the use of multi-model and multi-initial-condition ensembles. Typhoon Hagibis (2019) intensifies under future warming, leading to greater flooding and storm surges. By broadening prediction uncertainties, the multi-model framework enables more comprehensive and reliable assessments of future typhoon disaster risks.
Woosub Roh, Masaki Satoh, Tempei Hashino, Shuhei Matsugishi, Tomoe Nasuno, and Takuji Kubota
Atmos. Meas. Tech., 16, 3331–3344, https://doi.org/10.5194/amt-16-3331-2023, https://doi.org/10.5194/amt-16-3331-2023, 2023
Short summary
Short summary
JAXA EarthCARE synthetic data (JAXA L1 data) were compiled using the global storm-resolving model (GSRM) NICAM (Nonhydrostatic ICosahedral
Atmospheric Model) simulation with 3.5 km horizontal resolution and the Joint-Simulator. JAXA L1 data are intended to support the development of JAXA retrieval algorithms for the EarthCARE sensor before launch of the satellite. The expected orbit of EarthCARE and horizontal sampling of each sensor were used to simulate the signals.
Hiromasa Yoshimura
Geosci. Model Dev., 15, 2561–2597, https://doi.org/10.5194/gmd-15-2561-2022, https://doi.org/10.5194/gmd-15-2561-2022, 2022
Short summary
Short summary
This paper proposes a new double Fourier series (DFS) method on a sphere that improves the numerical stability of a model compared with conventional DFS methods. The shallow-water model and the advection model using the new DFS method give stable results without the appearance of high-wavenumber noise near the poles. The model using the new DFS method is faster than the model using spherical harmonics (especially at high resolutions) and gives almost the same results.
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Short summary
Three 7 km mesh next-generation global models and a 20 km mesh conventional global model were run to improve tropical cyclone (TC) prediction. The 7 km mesh models reduce systematic errors in the TC track, intensity and wind radii predictions. However, the simulated TC structures and their intensities in each case are very different for each model. These results suggest that the development of more sophisticated initialization techniques and model physics is needed to further improvement.
Three 7 km mesh next-generation global models and a 20 km mesh conventional global model were...
