Weather: September storms, the heat will be the fuel!
Today officially marks the beginning of the meteorological Autumn, at least on the Italian meteorological-climatic calendar.
The polar vortex, which has already started moving in recent days, signals the start of the seasonal shift, which will inevitably manifest itself in Europe sooner or later.
In the first half of September, weather conditions could undergo significant changes, a typical phenomenon at the start of the meteorological autumn. Persistence of abnormal heat Despite the beginning of autumn, the heat will remain the main feature of the Italian weather scenario for at least another week.
This is mainly due to the influence of a robust North African ridge that will continue to dominate, keeping temperatures significantly above the seasonal average until September 7.
High humidity will increase the perception of mugginess, making the heat almost unbearable, particularly in the Po Valley and Italian coastal cities. Transition to autumn Around September 10, a significant change in the weather is expected with the arrival of the first notable Atlantic disturbances.
These disturbances, which will initially affect Central-Northern Europe, will also reach Italy.
Between September 10 and 15, the first wave of autumn bad weather is expected, with widespread rain in many Italian regions and a drop in temperatures to more seasonally appropriate values. It is crucial not to underestimate the arrival of the first cyclones in the Mediterranean, which will maintain high sea surface temperatures in the coming weeks.
Currently, the surface water temperature of the Mediterranean is around 30°C, about 4°C above normal.
This abnormal warming enhances autumn disturbances, giving them more energy.
Consequently, we expect more intense precipitation, an increased risk of hailstorms, and a higher likelihood of extreme weather events in the months of September, October, and November. Northern Italy could be the first to experience the effects of Atlantic disturbances with rain and a drop in temperatures.
The Alpine and pre-Alpine areas will be particularly exposed to abundant rain and possible thunderstorms.
In Central Italy, the situation will see a gradual deterioration, with precipitation potentially affecting the Tyrrhenian regions and a drop in temperatures. Southern Italy and the Main Islands will initially experience more stable conditions, but sudden and intense rain cannot be ruled out, especially towards the middle of the month. Sardinia and Sicily could be influenced by Mediterranean cyclones, resulting in intense precipitation and possible thunderstorms.
The polar vortex, which has already started moving in recent days, signals the start of the seasonal shift, which will inevitably manifest itself in Europe sooner or later.
In the first half of September, weather conditions could undergo significant changes, a typical phenomenon at the start of the meteorological autumn. Persistence of abnormal heat Despite the beginning of autumn, the heat will remain the main feature of the Italian weather scenario for at least another week.
This is mainly due to the influence of a robust North African ridge that will continue to dominate, keeping temperatures significantly above the seasonal average until September 7.
High humidity will increase the perception of mugginess, making the heat almost unbearable, particularly in the Po Valley and Italian coastal cities. Transition to autumn Around September 10, a significant change in the weather is expected with the arrival of the first notable Atlantic disturbances.
These disturbances, which will initially affect Central-Northern Europe, will also reach Italy.
Between September 10 and 15, the first wave of autumn bad weather is expected, with widespread rain in many Italian regions and a drop in temperatures to more seasonally appropriate values. It is crucial not to underestimate the arrival of the first cyclones in the Mediterranean, which will maintain high sea surface temperatures in the coming weeks.
Currently, the surface water temperature of the Mediterranean is around 30°C, about 4°C above normal.
This abnormal warming enhances autumn disturbances, giving them more energy.
Consequently, we expect more intense precipitation, an increased risk of hailstorms, and a higher likelihood of extreme weather events in the months of September, October, and November. Northern Italy could be the first to experience the effects of Atlantic disturbances with rain and a drop in temperatures.
The Alpine and pre-Alpine areas will be particularly exposed to abundant rain and possible thunderstorms.
In Central Italy, the situation will see a gradual deterioration, with precipitation potentially affecting the Tyrrhenian regions and a drop in temperatures. Southern Italy and the Main Islands will initially experience more stable conditions, but sudden and intense rain cannot be ruled out, especially towards the middle of the month. Sardinia and Sicily could be influenced by Mediterranean cyclones, resulting in intense precipitation and possible thunderstorms.
