Articles | Volume 19, issue 20
https://doi.org/10.5194/gmd-19-9935-2026
© 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-19-9935-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
16 Oct 2026
Model description paper |
| 16 Oct 2026
| 16 Oct 2026
Meso-NH-ISO v1.0: a water stable isotopologue scheme in the non-hydrostatic mesoscale atmospheric model Meso-NH – application to a 2D West African squall line
Christelle Barthe
CORRESPONDING AUTHOR
Laboratoire d'Aérologie (LAERO), Université de Toulouse, CNRS, IRD, Toulouse, France
Françoise Vimeux
HydroSciences Montpellier (HSM), Université Montpellier, CNRS, IMT, IRD, Montpellier, France
Laboratoire des Sciences du Climat et de l'Environnement (LSCE), CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Camille Risi
Laboratoire de Météorologie Dynamique (LMD), CNRS, ENS, X, UPMC, Paris, France
Sören François
Laboratoire des Sciences du Climat et de l'Environnement (LSCE), CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
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Short summary
We implemented water stable isotopologues in the non-hydrostatic mesoscale atmospheric model Meso-NH. We validated this isotopic version (Meso-NH-ISO) with a simulation of a well-documented squall line in the Sahel region. In future works, simulations with Meso-NH-ISO will be done on real cases of cyclones or squall lines. The goal is to better interpret and quantify isotopic observations on the field in terms of atmospheric processes that drive development and intensity of those thunderstorms.
We implemented water stable isotopologues in the non-hydrostatic mesoscale atmospheric model...
