After the heat wave of the last previous events, Météo France placed six departments on orange vigilance on Sunday May 15, from Normandy to Val-de-Loire, due to thunderstorms expected from mid-afternoon. . Much of the rest of France is placed on yellow alert for the same reason.

The organization reports risks of “violent thunderstorms, with intense precipitation, hail and strong gusts of wind” which could affect the Channel, Calvados, Seine-Maritime, Orne, Eure and Sarthe, before to subside in the evening. “Thunderstorm cells can be accompanied by sudden gusts of wind around 80 to 100 kilometers per hour, sometimes a little more, as well as hailstorms. They also bring high rainfall intensities, with cumulative rainfall that can be between 20 and 40 millimeters in less than an hour. »

“Elsewhere, the risk exists but seems more punctual. Thunderstorms will persist overnight from Sunday to Monday from the Southwest to the Northeast borders, but they will be less intense than the previous ones, ”adds the organization, which has placed 86 departments and Andorra on yellow alert.

Corsica and the departments of Hérault, Gard, Ardèche, Bouches-du-Rhône and Vaucluse are the only ones not to be subject to any particular vigilance.