Snow on the Matterhorn in the Alps. Credit: Gorilla

First snow on the Alps

10 October 2013 00:00–18:00 UTC

Snow on the Matterhorn in the Alps. Credit: Gorilla
Snow on the Matterhorn in the Alps. Credit: Gorilla

A significant outbreak of polar air brought the first heavy snow pack of the autumn to the central Alps.

Last Updated

18 July 2022

Published on

10 October 2013

The snow level touched the grounds of the inner-alpine valleys (~700m). Up to 80cm of snow were recorded, at places above 1500m, in the southern Swiss mountains.

The passage of the cold front brought a mix of heavy rain gushes and strong winds to the Swiss-Italian border area.

The red tint in Airmass RGB marks a significant area with maximum values of potential vorticity (PV) behind the cold front, confirmed by the ECMWF analysis of the potential temperature at the level of PV=2.

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