Orange alert for “storms” has been launched for the day of Saturday June 29 in 25 departments (Charente, Charente-Maritime, Cher, Gironde, Landes, Deux-Sèvres, Vienne, Burgundy, Franche-Comté and Grand-Est), while a strong storm episode will cross most of the country, reports Météo-France.
From the end of the night, from Landes to Poitou, strong storms will occur. They will mainly be accompanied by heavy rain, and locally by hail. The cumulative rainfall over a few hours could reach 50 to 80 millimeters. In the morning these storms will extend to the Centre-Val-de-Loire, while from Pays de la Loire to Ile-de-France, Champagne-Ardenne and Lorraine, the cloudy passages could give locally stormy but more isolated showers.
Heavy rain intensities
Likewise, from Occitanie to PACA, the sky will be very cloudy and a few showers will be possible from the morning. But at the same time, a more marked stormy degradation will approach the Pyrenees and will quickly extend towards the Massif Central. In the afternoon, from the east of the Pyrenees to Limousin, then to Auvergne-Rhône-Alpes, the storms will become strong and multiply, giving high intensities of rain, sometimes hail and powerful gusts Wind.
This area of storms will head towards the Centre-Val-de-Loire, the east of the Île de France and Bourgogne-Franche-Comté at the end of the afternoon, to reach the Grand-Est in the evening, with continued heavy rain, violent gusts of wind and hail, particularly in the north-east of the country where these storms will be the most violent.
Only the regions from Brittany to Nord-Pas-de-Calais, as well as Corsica, will remain away from this bad weather, and will keep a calmer but cloudy weather. The south-easterly wind will blow quite strongly until the beginning of the afternoon from PACA to the Massif Central.
