What is the "granitic anticyclone" moving across Italy? According to current forecasts, a robust high pressure system—called "granitic"—is firmly occupying much of Italy, imposing a period of stable and unusually mild weather for the season.
This means: very few disturbances, widespread absence of rain, clear skies or at most with low clouds or mist, and temperatures well above average for the month of December.
How the weather will change – situation for various areas
Al South And on the larger islands, the next few days will be characterized by sunshine and temperatures that could approach 20°C—a surprising figure for December, especially considering the cold of recent days.
Al Centro, especially in the Apennine mountains and along the Adriatic coast, mild weather is expected during the central hours, even if the late autumn could be felt in the coldest hours and in the inland areas.
Al North partThe Alps will enjoy clear skies and clear views; on the other hand, low clouds and fog are expected to persist in plains like the Po Valley, limiting daytime warming and creating a gray, humid atmosphere. Along the Tyrrhenian coasts, such as in Tuscany or Liguria, low clouds or morning fog could cause somewhat cool and humid days, though with significant clearings later.
How long will the high pressure persist? Current models suggest this phase of high pressure and atmospheric stability will last at least through this week, perhaps even longer. A change, with the entry of cyclonic currents, could occur early next week, but at this time, it's not guaranteed that it will affect all of Italy or lead to uniform conditions.
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