Violent wind and rain-flood: still three departments on orange alert this Tuesday

The western facade of France and Corsica are swept by the wind (and the rain) this Monday and Tuesday. (© Illustration Actu.fr)

As anticipated from last weekend, a new Gale sweeps part of France at the start of the week, with rain. A lot of rain.

Since Monday, November 21, 2022 and Tuesday, November 22, 2022, the entire western part of France and Corsica are shaken by very strong gusts. For Corsica, it is a storm, “Storm Denise” named by Aemet, the Spanish weather agency.

Still three departments on orange alert this Tuesday morning

A gust of wind from the westerly sector was measured at 158 ​​km / h on the night of Monday to Tuesday November 22 at the island of Groix (Morbihan), another at 136 km / h at Cap Béar in the Pyrénées-Orientales, another at 128 km/h at the Pointe du Raz (Finistère)…

The vigilance map of Météo France issued this Tuesday, November 22, 2022 at 6 a.m.
The vigilance map of Météo France issued this Tuesday, November 22, 2022 at 6 a.m. (©©Weather France)

Météo France maintained this Tuesday, November 22, 2022, at 6 a.m., two departments in orange vigilance (Haute-Corse and Corse-du-Sud) and 14 othersmainly on the western side of France in yellow “violent wind” vigilance: Seine-Maritime, Calvados, Manche, Côtes-d’Armor, Finistère, Morbihan, Loire-Atlantique, Vendée, Charente-Maritime, Gironde, Landes, Pyrénées-Atlantiques, as well as Aude and Pyrénées-Orientales.

Coasts in yellow vigilance “submergence waves”

And the west coast of France (Seine-Maritime, Côtes-d’Armor, Ille-et-Vilaine, Manche, Finistère, Morbihan, Loire-Atlantique, Vendée, Charente-Maritime, Gironde, Landes, Pyrénées-Atlantiques) is still placed in yellow vigilance “submersion waves” as well as Corse-du-Sud and Haute-Corse.

11 departments on rain-flood vigilance

The reason for this bad weather: two depressions, hollow, at the start of the week, one located south of the British Isles, the other near Corsica. Two depressions which also generate a lot of rain in the northwest, the southwest and in Corsica, but especially on the Pyrenees-Atlantiques where nearly 100 mm were anticipated in 24 hours between Monday and Tuesday, locally more by blocking effect on the Pyrenees.

Météo France has placed the Department of Pyrénées-Atlantiques on orange vigilance for “rain-flooding”. The two departments of Corsica, as well as Landes, Gers, Hautes-Pyrénées, Haute-Garonne, Ariège, Manche, Calvados, Seine-Maritime, and Pas-de-Calais are on the alert. yellow for the same reason.

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Yellow vigilance for “avalanches”due to heavy snowfall, were also issued for the Alps and the Pyrenees.

“The masses of cold air that reign over the North American continent”

In the background of these new disturbances, “the masses of cold air which reign over the North American continent, a cold coming from the Arctic”. These episodes of bad weather follow one another because they follow a “disturbance rail”, along an upper-level jet current reinforced over the Atlantic by these masses of cold air. Actu.fr meteorologist Yann Amice.

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