Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 16, issue 6
Articles | Volume 16, issue 6
https://doi.org/10.5194/acp-16-3881-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-3881-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 6
Research article
 | 
23 Mar 2016
Research article |  | 23 Mar 2016

A modelling case study of a large-scale cirrus in the tropical tropopause layer

Aurélien Podglajen, Riwal Plougonven, Albert Hertzog, and Bernard Legras

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Short summary
The Weather Research and Forecast model is used to simulate a large-scale tropical tropopause layer (TTL) cirrus. Validated with satellite observations, the simulation shows that several clouds successively form due to a large-scale uplift initiated by the intrusion of air from the midlatitudes. The simulated cloud field is found as sensitive to the initial condition as it is to the choice of the microphysics parametrisation. The cloud impacts on the radiative and water budgets are estimated.
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