WEATHER UP TO JULY 27: STRONG TEMPORALS STORM, BREAK SUMMER

WEATHER FROM 21 TO 27 JULY 2018, ANALYSIS AND PREDICTION
We are at the end of the week with an Italy definitively cut in half from the meteorological point of view. The African anticyclone is gradually weakening on its northern edge due to the approach of an unstable North Atlantic pulse. The weather conditions are therefore experiencing strong instability from northern Italy, with thunderstorms also of high intensity

The weekend will be rather of a totally different tone in the South Center, where the African anticyclone with the influx of warmer and wetter currents of North African origin, badociated with a load of powders of Saharan origin. Temperatures will reach the highest levels, locally affecting 40 degrees in some areas of the South and Major Islands.

On Sunday we will have the first signs of instability in central Italy, sign of a gradual deterioration. The collapse of the African anticyclone will occur overnight between Sunday and Monday, when more intense and organized storms and storms will reach much of central Italy, with particular reference to the regions. interior and Adriatic slopes.

this phase of storms, given the presence of hot-humid air in the lower layers that will be evacuated impetively by the entry of colder currents. Then the unstable face will slide along the peninsula and we will have the expected thermal collapse with a summer that is still hiccups, between brief heat waves and incisive thunderclaps.

METEOTIC WEEK, TIME AND THEN BACK SUMMER
The disturbance of the storms, at the beginning of the week, will be felt towards the South, putting an end to the heat wave, because the ocean currents most soft will circulate, forcing the African anticyclone to back down. The phenomena, given the strong thermal contrasts, could be intense with hail and wind gusts

The thermal drop will be striking even up to nearly 10 degrees in the south, already at the beginning of week the weather will improve north then rest of Italy, apart from the possible instability of the afternoon. A more pleasant climatic phase will begin, intended to continue for most of the week with a summer time without excess heat, at least in an initial phase.

WEATHER SATURDAY 21 JULY, ITALY DIVIDES INTO TWO
the first strong thunderstorms of Friday, the weather will be hectic to the north with other storms first on the Alps and the Prealps, spreading irregularly towards the plains. The weather is good in the Center-Sud, with the exception of clouds arriving in Sardinia and central regions, but with a low probability of precipitation, the most sporadic rains and some thunderstorms on the Apennines Tuscan. CENTRO ITALIA
We will always have frequent thunderstorms in the North and first a good weather in the South Center. A few showers will take place in the afternoons in the central districts of central Italy, but with more organized time coming from the evening on Tuscany, Umbria and Marche, but also on the Lazio and Abruzzo. In the South it will remain in substantial expectancy, with heat reaching its peak.

AFRICA AIGUA IN CENTRAL-SOUTH, REFRIGERIO IN THE NORTH
Heat wave in additional Center-South accentuation, with peaks of more than 37/38 degrees on the inland areas of Sardinia and Sicily, but locally, it will also reach 40 degrees. Sunday, a hot climate between Apulia, Basilicata, Calabria and Sicily, with even higher peaks. The heat will leave space to the north and from Sunday temperatures will fall on part of central Italy

HOT, TEMPERATE START TIME
this week, giving life to a new break, with the umpteenth impulse of fresh air from the Atlantic that will succeed in driving off the African heat of the entire peninsula. To the south, the thermal decline will be greater and will lose locally up to more than 10 degrees. It will be a return to normal temperatures for the period

ADDITIONAL METEOROLOGICAL TRENDS
The summer of 2018 confirms to say the least inconsistent and without long sunny and hot phases, although the second part of July should to be the most stable period of the season. Next week, there seems to be the conditions of a gradual affirmation of the anticyclone that would bring good weather and a return of heat, more intense in northern Italy.

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Posted by Mauro Melons

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