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Genoa – The Regional Civil Protection issued the yellow meteorological warning for thunderstorms issued by Arpal, for the small and medium basins of all warning zones in Liguria. The alert came into effect at 3 am that night and will expire at 15 today, Wednesday, July 11 .
The situation
While today we will still have some instability especially on the west center, with phenomena in the internal and possible zones, local encroachments on the coasts, from the night, the weather situation will worsen . Indeed, the formation of a minimum of orographic pressure on the Ligurian Sea, with the call of moist air from the southern quadrants and the transit of an altitude anomaly, will cause a increased instability. Thunderstorms and thunderstorms, already forecast during the night, will start from the east, intensifying and spreading to the west, affecting the whole region in a sparse manner. Also noteworthy for tomorrow is a strengthening of North-North East winds, particularly in the Center West.
Weather Forecast
Wednesday, July 11 : The formation of a minimum orographic on the Ligurian Sea badociated with the pbadage of an altitude anomaly determines in the early hours of the night an increase in the Instability with any showers or thunderstorms on all areas. High probability of strong or organized storms on ABCDE with heavy rainfall over BC, moderate elsewhere, large quantities over C and significant over B. Winds in cyclonic circulation with reinforcements from North, North-East over AB and possible bursts up to 50 – 60 km / h, especially on exhibits.
Thursday, July 12 : residual instability with possible storms or thunderstorms scattered with the moderates
What are the strong or organized storms
"The strong thunderstorms – explains Arpal – are characterized by precipitations locally intense or very intense, typically resulting from convective systems of reduced spatial extension (convective cells) that develop over a limited time, often less than an hour. Organized thunderstorms are convective cell systems that form larger or longer precipitation precipitations of the typical storm. Typically storms are accompanied by lightning, sometimes they can be badociated with hail and isolated wind gusts, more rarely tornadoes. These phenomena can cause hydrological criticism for yellow storms on small and medium basins.
The Regional Operations Room will remain open for the duration of the alert.
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