Articles | Volume 21, issue 15
Atmos. Chem. Phys., 21, 11857–11887, 2021
https://doi.org/10.5194/acp-21-11857-2021

Special issue: Hydrological cycle in the Mediterranean (ACP/AMT/GMD/HESS/NHESS/OS...

Atmos. Chem. Phys., 21, 11857–11887, 2021
https://doi.org/10.5194/acp-21-11857-2021

Research article 09 Aug 2021

Research article | 09 Aug 2021

Towards kilometer-scale ocean–atmosphere–wave coupled forecast: a case study on a Mediterranean heavy precipitation event

César Sauvage et al.

Model code and software

OASIS CERFACS https://portal.enes.org/oasis

WW3 NOAA https://polar.ncep.noaa.gov/waves/wavewatch/

SURFEX CNRM http://www.umr-cnrm.fr/surfex/

NEMO CMCC/CNRS/NERC/MERCATOR/Met-Office https://www.nemo-ocean.eu/

NOAA/NCEP NOAA-EMC/WW3 https://github.com/NOAA-EMC/WW3

Configuration of NEMO Institut Pierre Simon Laplace https://sourcesup.renater.fr/wiki/morcemed/nemconfig

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Short summary
Air–sea processes are key elements during Mediterranean heavy precipitation events. We aim to progress in their representation in high-resolution weather forecast. Using coupled ocean–air–wave simulations, we investigated air–sea mechanisms modulated by ocean and waves during a case that occurred in southern France. Results showed significant impact of the forecast on low-level dynamics and air–sea fluxes and illustrated potential benefits of coupled numerical weather prediction systems.
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