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[HEALTH] · Italy · 73 sources

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Italy faces brief heat‑wave lull before fourth scorching summer wave

A weekend heat‑alert pause is in place across Italy, with the Ministry of Health’s heat‑wave bulletin showing no red alerts on Saturday 25 July and only a single yellow alert for Cagliari. The following day eight cities in the centre‑south – Cagliari, Bari, Campobasso, Catania, Messina, Palermo, Perugia and Reggio Calabria – will move to yellow level‑1 alerts. Meteorologists warn that the lull is short‑lived; a fourth heat wave driven by the African anticyclone is expected from the end of July into the first decade of August, with temperatures projected to reach 39‑43 °C in the north‑central regions and exceed 40 °C in the south, including peaks of 44 °C on Sicily and Calabria.

At the same time, an Atlantic perturbation will bring scattered thunderstorms on Sunday 26 July, especially along the Ligurian, Tuscan and Lazio coasts, with heavy rain, large hail, strong winds and potential flooding. The storms are fueled by unusually warm Mediterranean sea surface temperatures of 28‑30 °C, which act as a “fuel tank” for intense convective activity. After the brief cooling and rain, the African anticyclone is forecast to return on 29 July, reigniting the extreme heat across the peninsula for several weeks.

Health authorities note that the temporary relief will ease constraints on vulnerable groups, but the impending heat wave and storm risk demand continued public advisories and preparedness.

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