Venice "flooded for 70% of the surface": waiting in the lagoon exceptional high water of 155 cm

In the coming hours Venice could be flooded for over 70 percent of its own surface and record a flood of 155 centimeters on the middle sea. One of the highest levels ever in the last fifty years. It's been six days since Tidal Center are preparing for the arrival of an exceptional high water. Now the time has come. At 2.30pm on 11 November, the bulletin of the forecasts indicates a first wave for 10 am on Tuesday 12 November. Then the wave would go down, to go up again at about 11.00 to 145 centimeters. Things would not improve on Wednesday November 13th when, around 10.30, it would return to 145 centimeters.

"Yes, the situation it is alarming. – confirmation Alvise Papa, responsible of Tidal Center -. Everything depends on what the size of the wind". It is known that the great enemy of Venice, in these cases, it is it sirocco. In reality, the atmospheric situation that is of concern is associated with the word "countering", which, as explained by the website of Common, occurs when "al bora on top Adriatic Scirocco is associated with low and medium Adriatic, and determine the convergence of sea currents caused by winds from the north-east and south-east ".

"For this reason we take into account the evolution of the minimal depressive, which is planned in front of theEmilia Romagna. That's where the winds are determined, "he adds Pope. In the next few hours it is expected that a strong bora will not only be in the Gulf of Trieste, but on the whole Veneto and Friuli coast, while sirocco would come into theIstria.

This is why the forecast of 145 centimeters is expanded to the possible 155 centimeters. "Given the evolution of the meteorological situation, with a strong baric decline – reads the release – twenty of sirocco heavily supported inCentral-southern Adriatic and bora in Gulf of Trieste, the forecast models of the Tidal Center of the town of Venice indicate the possibility of exceptional tides. The forecasts, evaluated with NTC-Ismar is Ispra, provide, in particular, Tuesday at 10 am a tidal peak of 140 cm, Tuesday at 23 a peak of 145 cm and Wednesday at 10.30 a peak of 145 cm ". here is the passage more worrying: “View the situation weather highly dynamic, these last two values ​​could be revised in increase, even when the threshold of 155 cm is exceeded. Also the Decentralized functional center dell 'Arpav predicts widespread precipitation with abundant quantities of rain".

What happens with a 155 cm high water? That more than 70 percent of Venice it is flooded, considering only the areas of public roads. At 140 centimeters it reaches 60 percent. At 160 centimeters at 77 percent. If you were to go over a meter and a half, the situation would be really serious.

Just scroll through the levels of the tides higher than the last half century. That tragic November 4, 1966 reached 195 centimeters. But that was really a biblical event. The tides over 150 centimeters are not numerous: 166 centimeters on 22 December 1979, 159 centimeters on 1 February 1986, 156 centimeters on 1 December 2008, 156 centimeters on 29 October 2018 and 151 centimeters on 12 November 1951. The Moses, the system of mobile dams being built for twenty years, would come into operation with a tide of 110 centimeters.

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