Home » today » World » Weather, university study: “The collapse in sea temperature in the previous days, a harbinger of hurricanes in the Mediterranean. The so-called Medicane”

Weather, university study: “The collapse in sea temperature in the previous days, a harbinger of hurricanes in the Mediterranean. The so-called Medicane”

The collapse of sea temperatures could be a warning sign of the arrival of a Mediterranean hurricane, the so-called Medicane. This is what emerges from the study “Fingerprinting Mediterranean hurricanes using pre-event thermal drops in seawater temperature” published in “Nature” by a group of researchers from the universities of Bari, Catania, Genoa, Venice Ca’ Foscari, Cnr and the Marine Protected Area of Plemmirio of Syracuse. The research analyzed the surface temperatures of the Mediterranean in the days preceding the genesis of 52 different Mediterranean cyclone events that occurred from 1969 to 2023: the areas analyzed were affected by a significant decrease in sea surface temperature a few days before the genesis of the events extreme weather.

“By analyzing the differences in temperature of the sea surface, recorded in the ten days preceding the cyclogenesis, we found an important decrease, technically thermal drop, of up to four degrees in the most extreme cases – explains Giovanni Scardino, researcher of the earth sciences department and geo-environmental studies of the University of Bari and first author of the study – this peculiarity seems to be an almost exclusive characteristic of the Medicane. That the decline occurs a few days before the development of the extreme event could be a form of precursor which could lead to important considerations relating to the mitigation of coastal risk induced by the impact of Mediterranean hurricanes”.

The research will now have to develop on the monitoring of a greater number of extra-tropical cyclones, also involving other study groups.

Giovanni Scicchitano of the Department of Earth and Geoenvironmental Sciences of the University of Bari and responsible for the “Archimede” research project financed by the Pnrr, adds that “a public web gis platform has been developed, on which all the data we have used so far have been inserted as well as data recently published by other working groups. The intent is to develop a system in which different research groups can bring together their data and take others that may be of interest”.

Furthermore, he concludes, “we are developing an artificial intelligence algorithm capable, from the analysis of precursor parameters such as thermal drop and physiographic data of coastal areas, to define in advance the areas that could be most vulnerable during the development of a medicinal product” .

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– 2024-04-10 01:50:43

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