Temperatures will soon start to drop, beginning in the North. Thanks to the disturbance coming from the Atlantic, a new cold air front that should defeat the African high pressure responsible for the fourth heat wave.
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Possible thunderstorms arriving
How the weather situation will evolve “will depend on the strength of this trough: if it expands forcefully, then we will have the possibility of intense thunderstorms over the Tyrrhenian regions, the Northwest and Piedmont,” says meteorologist Matteo Rossi, forecaster for the Lamma Consortium between the Tuscany Region and Cnr.
“The cold air transported aloft by the disturbance – he continues – will indeed collide with the warmer air of the underlying layers: a phenomenon in which the very warm sea temperatures play a role and which causes the development of thunderstorms, even strong ones, with lightning and hail. If instead the depression remains further West, isolating itself over the Western Mediterranean, then the effects could be more contained. In this case – adds the expert – we would have bad weather over Sardinia and again on the Tyrrhenian coasts.”
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The forecasts
Understanding the development of this disturbance is not easy: apart from the thunderstorms that have already occurred in Tuscany and Lazio, rains could become persistent in the North as early as Sunday, while the Center-South should wait until Tuesday. The weather should be variable throughout next week, with rain and showers at least until Friday. For an improvement, we will have to wait for the weekend from August 22 to 24, and it could be characterized by milder heat in Southern Italy, with maximum temperatures around 30-32 degrees.
Fewer red alerts
Confirming the upcoming temperature drop are also the red alerts in the heat wave bulletin: on Thursday, August 13 there are 18 and on August 14 only 7 urban centers, out of the 27 considered, with the highest risk level for the entire population. Yesterday the only cities marked in orange (heat risk only for the most vulnerable) were Ancona and Cagliari, while the other 6 cities were in yellow, the pre-alert status for a possible heat wave (Brescia, Milan, Turin, Trieste, Venice and Verona).
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