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SITUATION. After the arctic outbreak of Christmas and Saint Stephen a weak and temporary anticyclonic promontory will try to push itself from Western Europe towards Italy, reestablishing more stable conditions for a few hours. This will be a very short hiatus, as a vast swirling circulation from the Atlantic will spread rapidly to southwestern Europe, sending an intense disturbance towards Italy. The first effects of the incoming front will be seen in the course of Sunday afternoon in the Northwest, reached by the most advanced part of the disturbance, with the first rains. From early Monday the deterioration will spread rapidly to the northeast, then gradually to part of the Tyrrhenian regions and to Sardinia, until Tuesday.
WEATHER SUNDAY 27. While the remnants of the old disturbance will persist in the South with the last rains in Sicily, Calabria and the lower Adriatic, in exhaustion, over the rest of Italy the temporary anticyclonic promontory will favor a stable and sunny day. The cold air that follows the disturbance will cause a decrease in minimum temperatures, also due to light episodes at night, with values below zero in the north and in sections of central Italy. Meanwhile, the new disturbance coming from France, responsible for an increase of clouds during the day in the Northwest with first rains in Liguria di Levante and upper Tuscany, and snow reaching the western Alps. At night further deterioration in the north with snow to the plains of Piedmont, extending to Lombardy, western Emilia and the eastern Alps, sometimes mixed with rain in the central area of the Po Valley. Snow at 600 / 800m in the Tuscan-Emilian Apennines.
WEATHER MONDAY 28. Bad weather in the north with rains and showers spread over the northwest, Lombardy, the upper Triveneto and the central-west of Emilia with snow to the plains of Piedmont, in the morning some temporary jibs are also possible off the Ligurian coast between Savonese and Genovese, initially also in Lombardy but transforming into rain in the eastern areas and in Veneto with abundant phenomena and heavy snowfall in the Alps. Phenomena that decrease in the Northwest during the day. Gray day in the Tyrrhenian with rain showers from Tuscany to Campania, in more worsening in Tuscany and Sardinia, at dusk in Lazio, even with strong and stormy phenomena. On day heavy showers in Umbria and Marche, extending to Abruzzo and late in the afternoon in Molise. Dry with partial highlights in the extreme South. Snow in the central-north Apennine mountain range from 1000/1200 m.
WEATHER TUESDAY 29. Time sometimes still unstable in the north with some intermittent showers in Lombardy and Triveneto with snow jets in the Alps from 500 / 700m, greater openness on the other hand in the Northwest. Rains and showers in the center-south, mainly on the Tyrrhenian side and in western Sardinia, even thunderstorms. Drier on the Adriatic side with partial episodes of brightness, as well as in the extreme South. Snow altitude in the Apennines at 1000/1200 m.
Does bad weather only affect Italy or other parts of Europe? Find out the weather forecast in Europe and in the world.
To know in real time where it is raining or snowing, check our Radar section, with real-time images of rainfall both nationally and regionally.
The wave of bad weather will be accompanied by sustained winds that will sweep through different areas of our Peninsula. For all the details, see our wind maps.
Will incoming rains improve air quality in our cities? To understand what the concentrations of the main pollutants will be like, visit the pollutants section.
How long will bad weather last? All the details in the Italian weather section.
To find out where it will rain the most in the next few hours, check out our precipitation maps.
Bad weather, as mentioned, will be locally intense. For details on the expected weather alerts, see the alerts section.
Will the expected rains in the coming days reduce the concentration of pollen? Check out our pollen section.
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