Cold and snow coming from Christmas: technical analysis



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The forecast weather conditions over Europe in the latter part of December will see the overwhelming return to the stage of the winter season. The central and northern regions of Italy will pay the price, where along with the passage of a disturbance between Christmas Eve (Thursday 24) and Christmas (Friday 25), we expect a significant drop in temperature due to the northern Arctic winds. .
The warm phase that has been affecting us in recent days will leave room for a new period of bad winter weather, cold and tormented. With the latest updates there could also be some contribution from arctic-continental air, with a particularly marked cooling of temperatures in the north on Boxing Day (Saturday 26). In this cooling phase, some low altitude snowfall could occur on the middle side of the Adriatic.
On a national scale, the temperature could drop several degrees below the average for the period. This incursion of cold air could raise the fortune of a season that seemed to get lost along the way. Altitude analysis of the American model referred to Saturday 26:

In the following days, just before the New Year, it could happen the passage of a disturbance whose origin would be in a new impulse of unstable air that would slide down the eastern flank of the other pressure located in the Atlantic. It is still very difficult to understand what will be the behavior of the cloud body that will take shape in the Mediterranean between Monday 28 and Tuesday 29. If the westernmost hypothesis prevails, after the cold eruption between December 25 and 27, the temperature would rise again due to the call of the southern winds, with rains in the center and in the south, initially snowing at low altitude in north, with increasing snow levels. If, on the contrary, the hypothesis suggested this afternoon by the European model prevailed, there would be room for a new episode of bad weather with cooler characteristics, with low snow in the north and perhaps also in the center. Here is the hypothesis of European model by Tuesday 29:



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