Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 23
Articles | Volume 25, issue 23
https://doi.org/10.5194/acp-25-18051-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-18051-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 23
Research article
 | 
10 Dec 2025
Research article |  | 10 Dec 2025

Modeling and verifying ice supersaturated regions in the ARPEGE model for persistent contrail forecast

Sara Arriolabengoa, Pierre Crispel, Olivier Jaron, Yves Bouteloup, Benoît Vié, Yun Li, Andreas Petzold, and Matthieu Plu

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Short summary
Aircraft condensation trails, also known as contrails, have a significant impact on the global climate when they persist. In this work, we present a modification to the Météo-France weather model ARPEGE (Action de Recherche Petite Echelle Grande Echelle) to improve the forecasting of areas favourable to the persistence of contrails. The spatial correspondence between observations and the modified model is demonstrated and evaluated by appropriate metrics. The modified model can therefore be used for further contrail climate impact applications.
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