**5. Case Studies**

In the framework of the SINOPTICA project, three different severe events were selected to be analyzed. These events were identified during the summer season, when temperatures are higher and a larger amount of energy is available for the triggering of thunderstorms and the development of deep convective systems. The selected events affected the major airports of the Po Valley in northern Italy, with Milano Malpensa (MXP) having 28.8 million passengers affected in 2019 and Bergamo Orio al Serio (BGY) having 13.9 million passengers affected:

