BOMBS of water in June, Italy at marked weather risk

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They call them WATER BOMBS, term that the Italian meteorology does not approve despite we are from common use to define intense rainfalls of storm or lightning flood.

The typical weather in June.

Water bomb is that weather phenomenon that represents huge rainfall which occur in a short period of time, which generate flooding. In fact, we refer to the storm if not the flash flood.

A few days ago, in Miami, Florida, in the USA, a heavy thunderstorm flooded the city. That can be called a water bomb. A few weeks ago, on a night of rain and heavy storms, 100 to 200 millimeters of rain fell on Milan. This too is a water bomb. On the other hand, such intense rains we struggle to call them storm.

June is a month with marked storms, as the heat and humidity favor the genesis of large cumulus areas. In addition, the ocean fronts have occasionally transiting the Northern Italy, where they contrast with pre-existing hot humid air. Last year June was very hot, especially at the end of the month, but in northern Italy there was no lack of storms, indeed, with each worsening of the storm somewhere there were powerful extreme weather events. Among the worst are those of Valsassina in Lombardy. In this area, several extreme weather events took place last year, always in the same areas.

But now let’s talk about events extreme weather for the month of June 2020. These appear more likely than usual, as they could be generated a strong thermal differential between the northern European and southern areas. Moreover, oceanic perturbations pass and will pass through Europe, where the emergence of that powerful hot cyclone that was there last year is not expected.

Compared to last year, the air of arctic origin continues to go south, while strong hot air advections are created, usually pre-frontal from North Africa to the Mediterranean. All this could create marked thermal contrasts, generally harbingers of summer storms, with electrical storms and also storms.

The Northern Italy appears rather exposed to these phenomena, but the excessive propensity to move south of the ocean fronts, other regions of Italy are also at risk of extreme weather events. This year, at least for the first ones two, three weeks in June, the risk of storms there will also be in Central South Italy and the Major Islands, although less frequently than in the North.

The forecasts of the computers show at times temperature differences between the monstrous north and south of the continent, even of 40 ° C at an altitude of 1500 meters approximately (isobaric level of 850 hPa). They are more typical conditions on continents such as Asia or North America, while they are very rare in Europe.

THE cloudbursts in June they are a characteristic of the Italian climate of Northern Italy, as well as, but more occasionally, coinciding with strong afternoon thunderstorms, of the internal areas of the Peninsula, and occasionally of the Major Islands.

We remind you that weather forecasts with validity up to 5 days have greater reliability, while this decreases as we move away over time.

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https://www.meteogiornale.it/news/meteo/editoriali/2020/05/bombe-acqua-del-meteo-di-giugno-italia-a-marcato-rischio/

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