Author

Ethan D. Gutmann

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Open access Sep 2026

Multi-decadal convection permitting dynamical downscaling of current and future climates over South America

This paper reports on two sets of 22-year convection-permitting regional climate simulations conducted with the Weather Research and Forecasting model over the entirety of South America at 4-km grid spacing. The first simulation downscales the fifth-generation European Centre for Medium-Range Weather Forecasts atmosphe...

Chang-Hai Liu, Kyoko Ikeda, F. Dominguez et al. · Climate Dynamics · 2 citations

#generative ai Preprint Sep 2026

Kilometer-Scale AI Downscaling of Atlantic Hurricanes with Generative Ensembles

This study presents an AI-based dynamical downscaling system for Tropical Cyclones (TCs). The system incorporates an AI-based limited-area model that downscales 3-hourly low-resolution boundary forcings into hourly high-resolution fields autoregressively, and a diffusion model that converts the outputs into ensembles o...

Ying-Kai Sha, T. Mayo, Ethan D. Gutmann et al. · 0 citations