In its bulletin published this Wednesday, November 20, Météo-France announces the placement on orange vigilance of 28 departments for a risk linked to snowfall and the formation of ice. Disturbances caused by the passage of the Caetano depression.
Vigilance is required in 28 departments. In a bulletin published this Wednesday, November 20 at the end of the morning, Météo-France announces the placement on orange vigilance of several departments for a risk of snow and ice. This forecast announces the arrival of snowfall in the territory on Thursday, November 21, in the wake of the Caetano depression.
Snow precipitation should extend along an axis going from Brittany-Normandy to the Burgundy-Franche-Comté region, with a rain-snow limit cutting France in two at Nantes.
“Tomorrow Thursday, snowfall in the plains will mainly concern the departments in orange 'snow/ice'. An extension of this vigilance to some neighboring departments nevertheless remains possible with the next updates,” the weather agency specified in its bulletin. from 11:30 a.m.
All of Île-de-France concerned
The following departments will be affected: Côtes-d'Armor, Ille-et-Vilaine, Calvados, Eure, Manche, Orne, Mayenne, Sarthe, Eure-et-Loir, Loir-et-Cher, Loiret, Aube, Yonne, Haute-Marne, Côte d'Or , Vosges, Haute-Saône, Doubs, Territoire de Belfort, Haut-Rhin, Paris, Seine-et-Marne, Yvelines, Essonne, Hauts-de-Seine, Seine-Saint-Denis, Val-de-Marne and Val-d’Oise.
We expect 2 to 5 cm in the plains, locally up to 10 cm above 200/300m, and up to 15 to 20 cm in the east of Franche-Comté.
Still under the effect of this depression, violent winds will also sweep part of the country. “In the southern part of the depression, more precisely on the Atlantic coasts from Aquitaine to Pays-de-la-Loire up to the Massif Central, strong wind gusts capable of exceeding 100 km/h are possible,” writes the weather forecasting organization. A change to orange “strong wind” alert is “probable” soon.
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