To 18 heven if it is broadcast and localized, the stormy activity remains marked at the start of the evening in certain sectors.
To 17 h 30, A hail thunderstorm born near Saint-Etienne sweeps the Monts du Lyonnais and the city of Lyon itself.
At 5:15 p.m. It is in Rhône-Alpes, and more particularly in the Lyon region that the situation is reaching out. Indeed, violent thunderstorms are currently scanning the Mountains of Lyonnais and reaching the Rhône prefecture. Be careful if you travel on the A6 motorway between Lyon and Mâcon where hail is locally reported on the A6 motorway.
To 17 h 00the violent storm moves away from Paris. The situation improves even if it continues to rain. On the other hand, the situation degrades strongly between Champagne, southern Picardy, Lorraine swept by these thunderstorms.
At 4:45 p.m. Due to the intensity of precipitation, water runs into the streets of the capital in the middle of the hailstones. A burst reached 90 km/h at Montsouris Park. The temperature dropped from 27 to 15 ° C in a few minutes!
To 16 h 30the storm crosses Paris, accompanied by powerful gusts and intense precipitation.
To 16 h, New hailstorms are reported north of Paris. The size of the hailstones can reach 2 to 3 cm in diameter.
To 15 h 45, Electrical activity is still also marked according to a Dreux / Paris / Verdun axis.
To 15 h 30hail is reported in the Yvelines after a line of powerful thunderstorms.