Articles | Volume 19, issue 16
https://doi.org/10.5194/gmd-19-7911-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-7911-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
25 Aug 2026
Development and technical paper |
| 25 Aug 2026
| 25 Aug 2026
Evaluation of the ALARO1-SFX (CY43T2) regional climate model over Belgium across different resolutions
Department of Physics and Astronomy, Ghent University (UGent), Ghent, Belgium
Hans Van de Vyver
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Daan Degrauwe
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Rafiq Hamdi
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
Michiel Van Ginderachter
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Bert Van Schaeybroeck
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Department of Geography, Ghent University (UGent), Ghent, Belgium
Kwinten Van Weverberg
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Department of Geography, Ghent University (UGent), Ghent, Belgium
Kobe Vandelanotte
Department of Physics and Astronomy, Ghent University (UGent), Ghent, Belgium
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Steven Caluwaerts
Department of Physics and Astronomy, Ghent University (UGent), Ghent, Belgium
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
Piet Termonia
Department of Physics and Astronomy, Ghent University (UGent), Ghent, Belgium
Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
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Short summary
This study evaluates an updated version of the ALARO (ALADIN–AROME) regional climate model over Belgium at multiple resolutions, using long-term climate simulations. Coupling the model to the externalised surface scheme SURFEX (Surface Externalisée) and running at higher resolutions improved simulated temperature, precipitation, and precipitation extremes, supporting the value of high-resolution modelling for representing local climate extremes and informing adaptation.
This study evaluates an updated version of the ALARO (ALADIN–AROME) regional climate model...
