Articles | Volume 15, issue 21
Atmos. Chem. Phys., 15, 12231–12249, 2015
https://doi.org/10.5194/acp-15-12231-2015

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

Atmos. Chem. Phys., 15, 12231–12249, 2015
https://doi.org/10.5194/acp-15-12231-2015

Research article 04 Nov 2015

Research article | 04 Nov 2015

The radiative impact of desert dust on orographic rain in the Cévennes–Vivarais area: a case study from HyMeX

C. Flamant et al.

Data sets

BASIL, Raman Lidar, Candillargues Di Girolamo Paolo - UNIBAS-Scuola di Ingegneria (PI or Lead scientist) https://doi.org/10.6096/MISTRALS-HYMEX.WATER_VAPOUR_RAMAN_BASIL

Water vapour DiAL LEANDRE 2, ATR42/SAFIRE, version 2 Flamant Cyrille - LATMOS (PI or Lead scientist) https://doi.org/10.6096//MISTRALS-HYMEX.WATER_VAPOUR_DIAL_LEANDRE2.V2

Raman Water Vapour LIDAR, Ciutadella-Menorca Chazette Patrick - CEA (PI or Lead scientist) https://doi.org/10.6096/MISTRALS-HYMEX.WATER_VAPOUR_RAMAN_WALI

AEROSOL OPC CNRM/GAME ATR42/SAFIRE SOP1 Burnet Frédéric - GAME/CNRM (PI or Lead scientist) Bourrianne Thierry - GAME/CNRM (Dataset contact) https://doi.org/10.6096/MISTRALS-HYMEX.CNRM-OPC

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Short summary
We analyze the direct radiative impact of an intense African dust plume on orographic precipitation in the western Mediterranean in the fall of 2012 using high-resolution simulations from a convection permitting mesoscale model validated against measurements acquired during the first special observation period of HyMeX. We show that the dust's direct radiative effect in such a dynamical environment is not sufficient to impact 24h of accumulated rainfall over the Cevennes in the dust simulation.
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