Strong episode of storms this Saturday in France: 34 departments placed on orange vigilance

Few regions will escape it. Almost all of France is on yellow or orange vigilance this Saturday June 29, 2024 for risk of strong storms. Only Brittany, the banks of the Channel, the south-east of the Provence-Alpes-Côte d’Azur region and Corsica should stay away from these bad weather.

This Saturday, June 29, 2024, at 10 a.m., Météo France has placed 34 departments on orange alert and 55 on yellow alert for these risks of strong storms. A major part of France may be affected by strong to violent thunderstorms. However, the Nouvelle-Aquitaine region as well as a large north-eastern part of the country should be particularly concerned.

The 34 departments on orange alert this Saturday

• L’Ain
• L’Allier
• The Ardennes
• Dawn
• Aveyron
• Cantal
• Charente
• Charente-Maritime
• Lick
• The gold Coast
• The Doubs
• The Gironde
• Jura
• The Landes
• The Loire
• The Lot
• The Marne
• Haute-Marne
• Meurthe-et-Moselle
• The Meuse
• The Moselle
• The Nièvre
• Puy-de-Dôme
• The Lower Rhine
• The Upper Rhine
• The Rhône
• Haute-Saône
• Saône-et-Loire
• The Deux-Sèvres
• The Tarn
• The Vienna
• The Vosges
• The Yonne
• The Territory of Belfort

From this Saturday morning, from New Aquitaine to Centre-Val-de-Loire, lightning could light up the sky, with, sometimes, heavy rain and significant accumulations. And in the afternoon, from the east of the Pyrenees to Limousin, then to Auvergne Rhône-Alpes, these storms will undoubtedly become even stronger and will multiply, the weather organization anticipates. They will then be able to give strong intensities of rain, sometimes hail and powerful gusts of wind.

The most violent storms could affect Burgundy-Franche-Comté and the Grand-Est region. In these regions, rainfall totals of 50 to 80 millimeters in a short time, very strong gusts (locally 100 km/h or more), large hail and intense electrical activity are possible.

An altitude depression (cold drop) at the origin of this instability

This area of ​​thunderstorms will then move towards the Center-Val-de-Loire, the east of Ile-de-France and Burgundy Franche-Comté at the end of the afternoon, reaching the Grand-Comté region in the evening. East, with still heavy rain, violent gusts of wind and hail.

The context is the passage of a cold drop (cold air at altitude) above France this Saturday, explained this Friday to -.fr meteorologist Yann Amice. While very hot air will reign, this will favor the development of a low pressure minimum over the center of France, “which will give an explosive, rare cocktail”, warned the meteorologist.

On Sunday, locally violent storms will remain possible in the morning in the north-east of France. Following these storms, rain may persist, sometimes giving significant accumulations but not requiring a risk of dangerous phenomena for the moment. On Monday, the weather should return to calmer conditions, in a cooler atmosphere however.

More information to come on -.fr

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