The terrible weather signals the end of a summer that has been climatologically documented as 1.04 degrees above the historical average, ranking it among the eight hottest since 1800. This is what the Isac Cnr data shows in relation to the weather alert for thunderstorms in Lazio, Liguria, Lombardy, Sardinia, Tuscany, and Umbria, which confirms the arrival of autumn with a drop in temperatures of 7-8 degrees by the weekend with the change of season with the autumn equinox, which falls this year at 8.49 a.m. on Saturday 23. According to data from the European Severe Weather Database (ESWD), the record heat in Italy in the summer of 2023 was accompanied by an average of more than 22 extreme occurrences per day around the Peninsula, including hailstorms, tornadoes, water bombs, heat waves, and windstorms.