A break from the bad weather today Sunday 23 November in Italy with sunnier spots, although temperatures will remain very low. Starting Monday the 24th the disturbances arrived with rain and snow.
Mattia Gussoni, meteorologist at iLMeteo.it, justified the cessation of rain thanks to the slow recovery of a high-pressure field that will guarantee more sunny spaces in most of the country. However, very cold temperatures should be taken into account. The influx of Arctic air, which triggered severe weather in recent days, has lowered temperature values, which are now well below the climate reference average. In the northern plains, maximum temperatures will hardly exceed 5-6°C, while in the central regions they will remain around 9-10°C: figures that describe an Italy enveloped in cold air with the full flavor of winter.
However, this break will not last long. Disturbances coming from Northern Europe are preparing to disrupt weather stability in several regions of Italy. The cold current entering from the Rhone Gate – the natural corridor between the South-East of France and the North-West of Italy – will favor the birth of Mediterranean cyclones, which will then be isolated in our seas.
This is a rather dangerous configuration because the vortex formed, rotating counterclockwise, will attract winds from the southern quadrant that will flow along the still very warm and moisture-rich Mediterranean. This passage across the sea would act as a “recharge” of energy: soft and moist air, once introduced into the system of depressions, would become a real atmospheric fuel, capable of strengthening storm clouds and promoting the development of intense weather phenomena.
The consequences? Persistent and locally abundant rainfall is expected from Monday 24 November, with the risk of significant accumulation and the possibility of a hydrogeological critical event. The Tyrrhenian side – Tuscany, Lazio and Campania – and some Romagna regions will be the most affected, with storms and wind gusts possible. But in the Apennines, snow will return with significant accumulations above 1500 meters.
The North will see a more stable and sunny day, except for the last rain in the Triveneto region, where snow may fall to a height of around 600 meters. Bad weather will continue during Tuesday 25th with heavy rain especially in Triveneto and South Central; for improvement we will have to wait for Wednesday the 26th when the high pressure area will provide more sunny space starting from the Central and Northern regions.
In detail
Sunday 23. In the North: hot sun and cold, but worse in the afternoon/evening. In the Middle: pause with a clear mantra. In the South: ceasefire with fine weather; some rain in the Tyrrhenian Sea.
Monday 24. In the North: heavy rain in Triveneto, snow in the eastern Alps. In the Center: new disturbances with heavy rain and thunderstorms. In the South: scattered showers mainly in Campania.
Tuesday 25. In the North: rain in the Northeast with snow above 700 meters. In the Middle: rain and thunderstorm. In the South: storms in Campania and Calabria.
Trend: recent rains in the South; in other places high pressure rises again.
