Due to the arrival in the north of France of storm Noa, the English Channel, Seine-Maritime and Pas-de-Calais have been placed on orange alert for strong winds by Météo-France for the day of Wednesday April 12.
The prefecture of the Manche warns the inhabitants if they have to “go out or take the road”, that of the Seine-Maritime to “store or fix the objects sensitive to the effects of the wind or likely to be damaged and to adapt its driving to weather conditions”.
Strong gusts will mainly sweep these coastal departments of the English Channel this afternoon, where they will frequently reach 90-110 km / h inland and 120 km / h on the coasts between the afternoon and the evening. The weather will be particularly rainy, with sleet and strong gusts in the north of the territory.
In the morning, it will rain from Pays de la Loire and Poitou-Charentes to the northern borders. During the morning, the rains will progress towards the south and will extend from Aquitaine and Limousin to the northeast quarter.
Ahead, a thick veil of cloud will invade the south-east of the country. It will be accompanied by some gloom on the shores of Languedoc and PACA. At the rear, unstable weather will already take over in the North-West with sunny spells interspersed with showers and gusts of 70 to 90 km / h in the coastal departments.
In the afternoon, the rainy weather will sink into southern Aquitaine, the interior of Occitanie, Auvergne Rhône-Alpes, Franche-Comté and Alsace. Precipitation will increase near the Jura and the Alps. Snow will fall from 1,200 to 1,400 meters in the Pyrenees.
In the Northern Alps, the rain-snow limit will be around 2,000 meters, before dropping to around 1,500 meters in the evening.
Along the Mediterranean, the tramontane will rise and reach 70 to 90 km/h in gusts, the veil of altitude will eventually give some scattered showers in the evening.
On the northwestern half, the unstable weather will become widespread with increasingly frequent showers, sometimes thunderstorms and sleet. These showers will be accompanied mainly by strong gusts of wind up to 80 to 100 km / h inland and by the sea.
