Articles | Volume 11, issue 10
Geosci. Model Dev., 11, 4269–4289, 2018
Geosci. Model Dev., 11, 4269–4289, 2018

Model description paper 18 Oct 2018

Model description paper | 18 Oct 2018

A representation of the collisional ice break-up process in the two-moment microphysics LIMA v1.0 scheme of Meso-NH

Thomas Hoarau et al.

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Cited articles

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Short summary
The break-up of ice crystals in clouds is a possible secondary ice multiplication process to explain observations of very high concentrations of small ice crystals at cold temperature. Here, the process is modeled by considering shocks between fragile aggregates (assemblage of pristine crystals) and large densely rimed crystals of selected sizes. The simulations of two storms illustrate the perturbations caused by the break-up effect (precipitation, ice concentration enhancement).