An episode of widespread southerly winds in the region, which began this Saturday, November 24, continues until Monday evening.
The entire region concerned this Sunday
Initially, until Sunday afternoon, the gusts generally reach 80-90 km/h, hence the passage of most departments of the Auvergne Rhône-Alpes region into wind yellow vigilance for the day of Sunday. .
A deterioration on Monday
From late Sunday afternoon, and especially from late night Monday morning, the wind accelerates significantly and reaches 100-110 km/h (sometimes higher on Monday), particularly in Lyon, the Givors sector. , the Gier valley and the Haute-Loire valleys.
Vigilance will be active from 00:00 in the night from Sunday to Monday, and until 16:00 in the afternoon of Monday.
In question, the Bert depression which is accompanied by strong gusts and which set in place this Saturday, November 23 on the reliefs.
And in other departments?
The uncertainty concerns the geographical extension of the phenomenon with strong gusts which may concern neighboring departments and in particular northern Isère, the plains of Allier and Puy-de-Dôme (a priori rather on the relief). An extension of orange vigilance is not excluded.
