Journal of the Meteorological Society of Japan. Ser. II
Online ISSN : 2186-9057
Print ISSN : 0026-1165
ISSN-L : 0026-1165
Article: Special Edition on DYAMOND: The DYnamics of the Atmospheric general circulation Modeled On Non-hydrostatic Domains
Tropical Cyclones in Global Storm-Resolving Models
Falko JUDTDaniel KLOCKERosimar RIOS-BERRIOSBenoit VANNIEREFlorian ZIEMENLudovic AUGERJoachim BIERCAMPChristopher BRETHERTONXi CHENPeter DÜBENCathy HOHENEGGERMarat KHAIROUTDINOVChihiro KODAMALuis KORNBLUEHShian-Jiann LINMasuo NAKANOPhilipp NEUMANNWilliam PUTMANNiklas RÖBERMalcolm ROBERTSMasaki SATOHRyosuke SHIBUYABjorn STEVENSPier Luigi VIDALENils WEDILinjiong ZHOU
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2021 Volume 99 Issue 3 Pages 579-602

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Abstract

Recent progress in computing and model development has initiated the era of global storm-resolving modeling, and with it the potential to transform weather and climate prediction. Within the general theme of vetting this new class of models, the present study evaluates nine global-storm resolving models in their ability to simulate tropical cyclones (TCs). Results indicate that, broadly speaking, the models produce realistic TCs and remove longstanding issues known from global models such as the deficiency in accurately simulating TC intensity. However, TCs are strongly affected by model formulation, and all models suffer from unique biases regarding the number of TCs, intensity, size, and structure. Some models simulated TCs better than others, but no single model was superior in every way. The overall results indicate that global storm-resolving models can open a new chapter in TC prediction, but they need to be improved to unleash their full potential.

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© The Author(s) 2021. This is an open access article published by the Meteorological Society of Japan under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.
https://creativecommons.org/licenses/by/4.0/
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