Pierrick Depression: storm, hail, gusts to 130 km/h… a department placed on orange alert for submersion waves

Pierrick Depression: storm, hail, gusts to 130 km/h... a department placed on orange alert for submersion waves

Violent storms expected. DRAWING MAXPPP – Patrick Lefevre

The weather on Monday April 8 will still be dry on the eastern flank, while it will be rougher elsewhere with storms and sometimes strong winds, announces Météo-France which places Finistère on orange alert for submersion waves for the ;afternoon and evening. Thunderstorms are also expected in the South-West. 

From Lorraine and Alsace to Jura, Rhône-Alpes and the Mediterranean regions, the day will be generally dry, apart from a few drops towards Roussillon.

From Alsace to Jura, PACA and Corsica, the sky will even be bright in the morning. Then the clouds will thicken in the afternoon, but the showers will not arrive until the evening.

Across the rest of the country, in the morning, the sky will initially be very cloudy with sometimes stormy showers, then nice clearings will develop before midday. But quite quickly in the afternoon clouds will redevelop and the weather will become heavy.

Storm and hail in New Aquitaine

From Pays de Loire to Aquitaine, the sky will become overcast and widespread rain will set in. Elsewhere, showers will occur, they will often be stormy from the west of the Pyrenees to Normandy and the Belgian border. Over Brittany, the rains, initially light, will become more pronounced at the end of the day and will be accompanied by a clear strengthening of the wind.

The south to southeast wind will still be noticeable from the Pyrenees to Auvergne Rhône-Alpes with gusts of 60 to 80 km/h. In the afternoon, in Brittany, the south to southwest wind will strengthen to 70 to 90 km/h, or even 100 km/h on the coasts.

At the end of the afternoon or evening, the wind will shift to the west and increase by a notch, gusts could reach 100 at 110 km/h on the coasts, 80 to 90 km/h inland. Météo France has placed Finistère on orange alert for wave-submersions. 

On the Atlantic coast, in the afternoon, the westerly wind will strengthen up to 60 to 80 km/h, then these gusts will sweep all the western half of the country in the evening. Thunderstorms and hail are expected in New Aquitaine, specifies South West

At the start of the following night, the disturbed weather with sometimes stormy rains will extend from the Belgian border to the Massif Central and the Pyrenees, before shifting towards the east of the Hexagon. The rain-snow limit will drop suddenly from 2,000 to 1,200 m in the Pyrenees.

What temperatures ?

Minimum temperatures will be between 6 and 11 degrees from the west of Hauts de France to Brittany and the Pays de Loire, between 9 and 14 degrees elsewhere.

The maximums will not exceed 13 to 18 degrees from Brittany to Cotentin, they will be between 19 and 22 degrees over the rest of the northwest quarter, between 20 and 25 degrees elsewhere, locally 26 or 27 on the eastern flank of the country.

Temperatures will then have to drop sharply this Tuesday, with up to 10 to 15 °C lost in 24 hours locally. 

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