Review of `Synoptic and mesoscale atmospheric features associated with an extreme Snowstorm over the Central Andes in August 2013' by Zamuriano et al.

This paper presents an analysis of a snowstorm event that occurred over the central Andes.The aims are to characterise the synoptic evolution and mesoscale processes leading to the event as well as to determine the specific roles of the orographic features and lake Titicaca.ERA-Interim reanalysis data and observations are used for the synoptic analysis whereas WRF model simulations including sensitivity studies are used to analyse the mesoscale features and the roles of the orography and lake.The authors have synthesised an impressive collection of reanalysis data, model output and observational data.This synthesis yields a two-stage mechanism for the synoptic evolution C1 NHESSD Interactive commentPrinter-friendly version Discussion paper