12 departments placed on vigilance

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It made 25 ans that France had not experienced such a rainy month of September. And this first day of October 2024 will be too. Because, as explained in this article, France has not yet finished with the remains of Hurricane Isaac.

This Tuesday, October 1, 2024, the atmospheric circulation in the country will remain under the distant influence of this cyclone offshore, in the Atlantic, and, once again, it will be disturbed weather, particularly rainy, which will be on the menu, and this, particularly in the central part of the country.

Risks of mudslides, particularly in the Alps

In its 6 a.m. bulletin this Tuesday, Météo France placed 12 departments on yellow “rain-flood” alert. Vigilance which could turn orange during the day. The weather organization does not exclude the possibility of very localized phenomena (such as mudslides) occurring in the Alpine departments (Haute-Savoie in particular).

The departments placed on vigilance this Tuesday, October 1, 2024:

• Ain: rain-flood
• Hautes-Alpes: rain-flood
• Dear: rain-flood
• Doubs: rain-flood
• Indre: rain-flood
• Isère: rain-flood
• Jura: rain-flood
• Saône-et-Loire: rain-flood
• Savoie: rain-flood
• Haute-Savoie: rain-flood
• Vendée: rain-flood
• Territory of Belfort: rain-flood

The context is therefore yet another depression which will (again) give locally sustained rain this Tuesday, October 1, 2024, from the Atlantic coast to the Alps.

The evening of this Tuesday, October 1 and the night of Tuesday to Wednesday, October 2 will be particularly rainy on the exposed foothills of the relief, particularly in the center-east, with accumulations which can occasionally exceed 50 millimeters in 24 hours between the Jura and the Alps, in areas already affected by recent heavy rains.

This new rainy axis will cut France in two, with, north of the Loire, variable to cloudy weather and a few showers, while from Occitanie to the Mediterranean, the weather will remain calm, often cloudy, but overcast on the coast. of the Gulf of Lion, anticipates Météo France.

And the wind will (again) strengthen on the coast

Also note that the westerly wind will strengthen further in the evening of this Tuesday on the Aquitaine coast with temporarily up to 70 km/h on the Basque and Landes coast. And the gusts from the west to the northwest will reach 40/50 km/h to locally 60 km/h on the North Sea coast.

Temperatures will change little this Tuesday, still shy over the northern two-thirds. In Occitania, on the other hand, the afternoon will be mild, often 23 to 25°C, or even hot in the Languedoc plain, with peaks at 27 or 28°C.

The rest of the week nevertheless promises to be calmer with the return (finally) of anticyclonic conditions which will gradually assert themselves. Clearings, still sometimes timid this Wednesday, October 2, 2024, will widen significantly on Thursday, and Friday under temperatures that are nevertheless often cool all week, generally 1 to 4°C below seasonal levels.

But this sequence should not last when reading the weather models due to another tropical depression which should deepen and return to haunt the western Atlantic probably from Sunday October 6, 2024. Synonymous with a return of rain and wind. Autumn is here.

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