This is the strongest rainfall and storm degradation since the start of the year, which will take place in the southwest this Sunday, May 9, where 10 departments are on orange alert.
It was too good to last. After a weather worthy of summer and temperatures that often tickled 30 degrees yesterday, the weather will deteriorate sharply on Sunday, May 9, 2021 at the end of the day. So much so that it will be, according to experts from the Weather Channel, “the first and strongest generalized rain and storm degradation since the beginning of this year 2021”.
Rains and thunderstorms are expected from the end of this weekend and until the beginning of the week over a good part of the country, starting with the southwest where Météo-France placed this Sunday morning, ten departments in vigilance orange for thunderstorms.
The areas concerned are: Charente Maritime, Charente, Haute-Vienne, Dordogne, Gironde, Lot-et-Garonne, Hautes-Pyrénées, Pyrénées-Atlantiques, Gers and Landes.
“Strong gusts of wind can reach 80 to 100 km / h locally and up to 100/120 km / h in places. [There will also be] strong electrical activity ”.
This stormy episode will spread over much of the country at the start of the week, as forecasters from the Weather Channel predict.
A vast low pressure system formed over the near Atlantic and, in its progression over France, collided with a high pressure system positioned over central Europe. This blocking situation creates a conflict of air masses, between the warm air of subtropical origin over the south of France and the cold air arriving from the Atlantic. It will be conducive to the outbreak of thunderstorms and heavy rainfall.
In the night from Sunday to Monday, there will be heavy rains and flooding could take place in the plains. The depression will move eastward to the Ardennes. On Monday morning, thunderstorms will still be present in the southeast, then gradually spread towards the Cévennes and the Rhône valley.
Then, from Tuesday morning, part of Normandy, the Ile de France, the South West and the South East will be hit by rain, sometimes accompanied by thunderstorms. Strong winds will also be present over the entire southern part of the country.
The skies will gradually clear only at the end of the day on Tuesday, waiting for warmer weeks with above-normal temperatures for the season until the start of summer. actu.pub.dfpTargeting.semantique = [“hate”, “twitter”, “rape”, “electric”, “Euro”, “foot”];
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