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It is always probable, although linked to temperatures a little to the limit, the snowfall between the afternoon of Sunday, December 27 and the afternoon of Monday, December 28 in Valpadana.
The strong “irritated“of the air, along with the moderate cooling that will occur between Santo Stefano and the early hours of Sunday, a little at all heights.
On Sunday 27, here is a large sack, linked to a branch of the polar vortex, rapidly inverting France and gradually embracing northern Italy as well. Within it, a disturbance will pass from southwest to northeast, pushing softer SW air in front of him, which should initially favor snowfall up to the northwestern plains, at low altitude in the Ligurian Apennines but not on the coast because the dark Tramontana will not be activated for lack of a real minimum depression in the ground.
With such a laminar Libeccio, if confirmed, at least to the center of Lombardy the snow would continue to fall throughout the episode, as well as in the alpine valleys, while at least at night it would also fall on the plains of Veneto and Friuliespecially along the foothills.
So let’s watch the snowy bad weather sequence predicted by the European model (snowfall in green and yellow): we start on the afternoon of Sunday 27 (only slight accumulations in the Lombard plain and part of the Piedmontese plain and the Ligurian Apennines, as well as in the Alps, the bottom of the valley from Aosta and even surprisingly the immediate hinterland of Upper Tuscany for a few hours):
Between midnight and early Monday the snowfall will reach the northwest with at least four inches predictable in the case of taking root, especially in western Lombardy but be aware of the snow that reaches all the plains of the northeast and the Piacentino, while the rain or the weather Dry characterizes the climate in the rest of Emilia-Romagna due to the tense winds of Libeccio:
In the morning more snow to the west of Lombardy, abundant in the central-eastern Alps and the Venetian and Friulian foothills, rains in eastern Lombardy, Emilia, the Ligurian coast and upper Tuscany:
In the afternoon exhaustion of western phenomena, disturbance moving towards the center and northeast, but with snow only leading to fall over 500-600m due to excessive light interference from Libeccio and lots of rain on the plains, thunderstorms in Tuscany:
It should be noted that, with these types of currents, cold air becomes more easily clogged in the west of Valpadana.; Also, falling snow could act as an ice box for subsequent snowfalls. In fact, at the end of the episode in the northwest at 700 m, -2 ° C would still be present at 700 m:
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