Autumn bad weather hits Italy: yellow alert in 6 regions

A first taste of autumn is affecting Italy with the arrival of a period of bad weather. The Civil Protection has issued a yellow alert for tomorrow, Wednesday, October 7, over much of Liguria, Lazio, Campania, Abruzzo, Molise, and parts of Tuscany. The worsening conditions are caused by the passage of a depression over the Tyrrhenian Sea, which will bring scattered showers or thunderstorms, locally intense, especially along the central Tyrrhenian coastal areas.

Already today, Tuesday, October 6, a disturbance has brought rain and thunderstorms to central Italy, particularly between Lazio and Tuscany, with phenomena that in some areas have been very intense in a short time. In Rome, up to 30 mm of rain is expected throughout the day. Starting tomorrow afternoon, an Atlantic disturbance will approach Italy, initially affecting Liguria and Tuscany with locally intense precipitation.

The phenomena will be accompanied by heavy showers, strong wind gusts, local hail, and frequent electrical activity. After being above average, temperatures will experience a sharp drop from North to South in the coming days, shifting from above-average values to occasionally below-average levels.

Italy is emerging from a prolonged anticyclonic period characterized by high pressure and stable weather. This stable phase, which had brought above-average temperatures for the period, has ended with the arrival of a vortex moving up from the Balearic Islands, followed by a cold front. The weather change represents the first real taste of autumn conditions after weeks of mild weather.

The current situation arose from the interaction of two systems: a low-pressure area over the Tyrrhenian Sea affecting central regions, and an Atlantic disturbance approaching from the west. These phenomena have led to the reinstatement of weather alerts by the Civil Protection Agency, after several days of respite during which none had been issued due to stability. The last warnings dated back to the end of September.

The worsening weather is only the beginning of an unsettled phase that will evolve throughout the week, with a major disturbance expected between Wednesday and Friday. Immediate consequences include hydrogeological risk and intense thunderstorms, while climatically, a sharp shift toward more typical autumn conditions is underway, with temperatures dropping significantly across the country.