Surface processes in the 7 November 2014 medicane from air–sea coupled high-resolution numerical modelling

Bouin, Marie-Noëlle; Lebeaupin Brossier, Cindy

doi:https://doi.org/10.5194/acp-20-6861-2020

Articles | Volume 20, issue 11

https://doi.org/10.5194/acp-20-6861-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

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

https://doi.org/10.5194/acp-20-6861-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 11

Research article

|

11 Jun 2020

Research article |

| 11 Jun 2020

Surface processes in the 7 November 2014 medicane from air–sea coupled high-resolution numerical modelling

Marie-Noëlle Bouin and Cindy Lebeaupin Brossier

Model code and software

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

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

Meso-NH LA and CNRM http://mesonh.aero.obs-mip.fr/mesonh54

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

Short summary

A coupled, kilometre-scale simulation of a medicane is used to assess the impact of the ocean feedback and role of surface fluxes. Sea surface temperature (SST) drop is much weaker than for tropical cyclones, resulting in no impact on the cyclone. Surface fluxes depend mainly on wind and SST for evaporation and on air temperature for sensible heat. Processes in the Mediterranean, like advection of continental air, rain evaporation and dry air intrusion, play a role in cyclone development.