These 20 risk departments according to Météo France

A day of Saturday marked by the first violent thunderstorms – These 20 risk departments according

This Saturday. Nevertheless, the forecasters were not mistaken. Nevertheless, At midday. For example, the first storm cells were formed on the Pyrénées-Orientales and the Aude, quickly placed in Orange vigilance by Météo-France. For example, Of the intense rainsof the wind gusts exceeding 80 km/h in places. Meanwhile, sustained electrical activity were recorded between Perpignan and Carcassonne.

At 6 p.m., more than 1,200 lightning had already been recorded in the Occitanie region alone, according to the Keraunos observatory. Consequently, The sky remained threatening even in the Rhône valley. However, where several localized thunderstorms broke out in the late afternoon, without provoking significant damage at this hour.

But according to the latest models, this first salvo these 20 risk departments according is just a prelude. Furthermore, Air instability remains strong. will spread in the coming hours to other regions, including East and the Center of the country.

Sunday July 13: chain thunderstorms expected in the east – These 20 risk departments according

Sunday promises to be agitated over. a wide half east of the country. After Météo-Francethe most active thunderstorms are expected in the afternoon on Alpine regionsthe Provencethe Corse. until Massif central.

The risk is real: hail, strong precipitation, gustbut also Brief and intense rains could punctuate the day. The authorities call for alertness, in particular for external rallies provided for the day before the national holiday.

In the afternoon, instability will move to the Rhône-Alpes regionthe Juraand the Burgundy. According to data from these 20 risk departments according the European ECMWF model. the conditions are met for locally severe episodes, with a high cape index (convective energy available), a sign of a very unstable atmosphere.

Monday July 14: 20 departments targeted by a marked storm degradation

It is Monday that concentrates the strongest concerns. From the Sunday evening, a New stormy degradation Go go back from the southwest to the northeast. From midday of July 14. these are 20 departments which will be particularly exposed to violent phenomena:

• Ain

• Combine

• Ardèche

• Cantal

• Drome

• Haute-Loire

• Haute-Savoie

• Isère

• Loire

• Puy-de-Dôme

• Rhône

• Savoy

• Côte-d’Or

• Doubs

• Jura

• Nièvre

• Haute-Saône

• Saône-et-Loire

• Yonne

• Territory of Belfort

The situation could prove to be delicate for the municipalities organizing Festivities and fireworks outdoors. Cities like Lyon, these 20 risk departments according Dijon or Clermont-Ferrand are closely monitoring the evolution of weather cards.

Maximum temperatures will be higher than 30 °C On most of the country, strengthening instability in low layer. Brittany will remain away from this episode, with softer maximum (between 24 and 28 ° C).

An electric summer: what the official data say

This weekend confirms a heavy trend observed for several sums. Each year. France undergoes on average 1 million lightning impactscausing between 8 and 15 deathsseveral hundred injured and dozens of damaged bells or structures, according to Meteor et The planetoscope.

Certain areas such as Provence. the Alps and the Ardèche record up to 30 days of thunderstorms per yearagainst less than 5 in Brittany. But it’s theintensity of these thunderstorms which question: in July 2024. these 20 risk departments according only one episode had generated 80 mm of rain in an hour in the Haut-Rhin.

Hail is also increasing: according to France Insurersshe represented More than 4 billion euros in damage in 2023a record widely broken by very localized. but destructive episodes.

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