WEATHER WARNING: SUPERCELLS and HAIL HAIL approaching, possible EXTREME PHENOMENA in some Regions
With the increase in heat, so does the potential energy (moisture and heat in the lower layers of the atmosphere) involved in the development of massive storm cells capable of causing extreme weather events such as the one of the big hail (more than 5-6 cm in diameter).
Confirmation came from the latest updates: a hollow wave approaching from the west, supported by cooler and more unstable air, will initially lick the alpine sectors beginning from the morning of Monday, July 24with the possibility of storms Aosta Valley, Upper Piedmont, Upper Lombardy and finally also in Trentino Alto Adige; Some small/medium magnitude hailstorms and strong gusts of wind during the transit of the storm cells are not excluded in these areas.
But the main attention is focused on afternoon-evening schedule on Monday, July 24 with the trigger for thunderstorms (most likely with supercell characteristics) initially in Piedmont and Lombardybut with phenomena in extension at night also in the Triveneto. The most exposed areas will be those to the north of the Po River). Even Milan could once again be involved in violent phenomena. The chances of new ones are high. big hailstorms (until 8-10cm in diameter) associated with strong wind gusts up to 120-130 km/h (downburst). He pop, also defined as a down gust, is a meteorological phenomenon that consists of strong downward gusts of wind with horizontal movement coming from the advancing front of the storm. The gusts can reach high speeds, close to or greater than 100 km/h.
A situation that will not improve even for the Tuesday, July 25when the cold front of the disturbance will pass, with rains or stormy showers Eastern Liguria, Tuscany, Emilia Romagna and up again Central-eastern Lombardy, Veneto, Trentino Alto Adige and Friuli Venezia Giulia.
The transit of this last unstable impulse will also be accompanied by a significant heat dropnot only in the northern regions of Italy, but in the middle of the week also in the rest of the country (excluding only the two main islands and Calabria). TO renovated therefore this could implicate a large part of the Belpaese with a specially appreciated decrease in the maximum diurnal values.