Storm alert: which departments are affected and from what time ?

15 departments are placed on orange alert for thunderstorms. Heavy rain is expected in the afternoon from the Massif Central to Adennes.

Météo-France places 15 departments on orange alert for thunderstorms this Saturday, July 20. The Ardennes, the Marne, the Haute-Marne, the Aube, the Yonne, the Côd'Or, the Nièvre, the Cher, the ;#39;Allier, Saône-et-Loire, Loire, Puy-de-Dôme, Rhône, Haute-Loire and Meuse are affected. s. After several days of sunny weather, and high temperatures, a " clear stormy degradation will occur in the afternoon and evening " in the departments concerned, informs Météo-France.

Hail, rain and wind

M&t&o-France warns of a risk of strong gusts of wind, hail and intense precipitation in the orange vigilance zone. These storms are explained by a conflict of air masses between the warm air coming up from North Africa and the cooler air arriving from the west . An improvement is expected on the night of Saturday 20th. Sunday July 21. The start of the day should be calm in the fifteen departments placed on orange alert.

The people who are in the departments concerned are called upon to participate. & be vigilant. Météo-France alerts on " violent storms likely to cause significant local damage. After the drought of recent days, it is also possible that " some fire outbreaks [are] recorded in the forest following lightning strikes not accompanied by precipitation. In addition, a " special attention " is requested by the Meteorological Institute " to the extent thatù there is a significant risk of violent phenomena, such as winds which could damage structures and trees.

A large part of the territory is classified as yellow by Météo-France. Light rain is expected. wait, which should freshen the air at night and during the day on Sunday. Only the east of France is classified as in green.