Climate alarm: extreme events and the municipalities affected are increasing

“The climate has already changed”. It is the title of the new report of theCittàClima Observatory of Legambiente, presented on 23 November last.

According to data collected by Legambiente, extreme events and the municipalities affected are increasing in Italy: from 2010 to November 1, 2021, 1,118 extreme weather events were recorded (+ 17.2% compared to the last edition of the report); 602 municipalities affected (95 more than last year) with 261 victims.

14 are the areas of the country most affected by climatic impacts: from Rome to the Sicilian east coast, from Genoa to the southern Sardinian coast, from Bari to Milan, Ancona, Naples, Palermo.

From 2010 to November 1, 2021, in the Peninsula there are 1,118 extreme events recorded on the climate risk map, 133 in the last year, marking a + 17.2% compared to the previous edition of the report. The most significant impacts were recorded in 602 Italian municipalities, 95 more than last year (almost + 18%). Specifically, there were 486 cases of flooding from intense rains, 406 cases of stops in infrastructures due to heavy rains with 83 days of stops in subways and urban trains, 308 events with damage caused by tornadoes, 134 events caused by floods rivers, 48 ​​cases of damage caused by prolonged periods of drought and extreme temperatures, 41 cases of landslides caused by heavy rains and 18 cases of damage to the historical heritage.

The 2021 Report enriches the picture of the impacts of mapped and analyzed climate events, also including extreme hailstorms, phenomena that increasingly affect countryside and urban centers with greater intensity and frequency. In the course of 2021 alone, 14 hail damage events occurred.

An in-depth study concerns the resilience of the electricity and railway networks carried out in collaboration with Terna, e-Distribuzione, Italian FS. From 2010 to today, due to bad weather, there have been 83 days of stops in subways and urban trains and 89 days of extended disruptions on the electricity grids due to bad weather.

In 2021 report 14 areas of the country were identified where floods, tornadoes and in some cases heat waves are repeated with greater intensity and frequency in the same territories. These are large urban areas and coastal territories where the chronicle of bad weather episodes and damage is seamless and for this reason should lead to priority attention on the part of policies. To entire cities such as Rome, Bari, Milan, Genoa and Palermo, territories hit by extreme events repeatedly and in the same places must be added. Areas such as the Romagna coast and northern Marche, with 42 cases, eastern Sicily and the Agrigento coast with 38 and 37 extreme events. In these last two areas there were numerous records recorded in 2021: in Syracuse on 11 August, the European record of 48.8 ° C was reached, in Catania and Syracuse in 48 hours there was a quantity of rain equal to one third of the annual one. Furthermore, this part of the island was the scene of devastation following the Medici Apollo.

The metropolitan area of ​​Naples was also affected, where 31 extreme events occurred, while, among other territories, there are the Ligurian Ponente and the province of Cuneo, with 28 cases in all, Salento, with 18 events of which 12 cases of damage from tornadoes, the north Tuscan coast (17 events), the north of Sardinia (12) and the south of the island with 9 cases.

At this link you can download the complete report in pdf


Source: Il Blog di Beppe Grillo by beppegrillo.it.

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