A depression located off Ireland will generate a strong gust of wind on the coast, from the Somme to the Vendée. Météo-France has placed 16 departments in yellow vigilance. Rains and swell are expected in Morbihan and Finistère.
After the morning sun, the weather will change dramatically in the afternoon of Friday, November 9th. Météo France has placed 16 departments in yellow alert "violent winds". The area concerned goes from the Hauts-de-France to the Vendée.
Winds around 110 km / h
The strong gust of wind should approach Brittany by Finistère in the early afternoon and reach the Ille-et-Vilaine around 17 pm.
Depending on the model, gusts could exceed 110 km / h on exposed caps.
In the land the winds could reach 90 km / h. The windy episode will last a part of the night.
Simulation of intense thunderstorms between #Languedoc and # Cévennes and the arrival of other abundant precipitations by #Brittany at the end of the day with strong bursts - Model AROME via @wxcharts pic.twitter.com/0yds9Bj6hP
- Weather Cities (@Meteovilles) November 9, 2018Yellow warning "rain-flooding"
Sustained rains will accompany the gusts with accumulations of rain up to 40 mm. The Odet River Finistère is monitored for flood risk. Finistère and Morbihan are also vigilant yellow floods.
Strong swell on the coast
Coastal coast, a special marine bulletin recalls the strong gust of the tip of Brittany at the Anse de l'Aiguillon (9 Beaufort) with a swell of up to 9 m on South Brittany, placed in yellow vigil waves-submersion, this coup de tabac being accompanied by an important tidal coefficient of 95. High tide