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Anne-Laure Petit-Hénon
Published on
Nov. 10, 2024 at 4:15 p.m.
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If they were always at the back of the wardrobe or stored in a box under your bed, it will be high time to bring out the winter clothes, because from this Monday, November 11, 2024, temperatures will drop.
Added on top of a little cold wind and there it is first cold snap of the season who arrives.
Two cold drops from Scandinavian countries
The fault of the arrival of a first cold drop from Monday afternoon. “It will arrive from the Netherlands during the day then cross France on Tuesday. Before the arrival of another cold drop on Wednesday and Thursday,” explains the meteorologist and the founder of Weather-Cities, Guillaume Séchet, actu.fr.
What is a cold drop?
“A cold drop is a pocket of very cold air located at an altitude of more than 5,000 m,” specifies Météo France on its website. “When the polar jet stream deforms, it happens that a pocket, called a cold drop, breaks away from the circulation associated with the polar jet stream to descend to our latitudes.”
Concretely, we must therefore expect a drop in temperatures.
It will sometimes be less than 10 degrees during the day. But with the wind, you can expect a much colder feeling.
The coldest temperatures are expected for Wednesday and Thursday.
In places, the thermometer in the early morning will be close to zerobut not enough to cause the first big frosts of the season. “Because there will still be clouds as well as wind, so the conditions are not very favorable for temperatures to drop sharply during the night. »
More unstable weather
The arrival of this cold drop is certainly good news for the regions which have been gray for two weeks due to persistent fog.
But who says cold drop also says more unstable weather. Guillaume Séchet warns: “In addition to cold air, you should expect clouds and a few showers. » And even first snow at altitude, from 1000 meters.
The weather will not be gloomy either, since with the arrival of the cold drop in the northern regions Monday afternoon, clearings will follow in its wake. “Some regions will even escape precipitation,” reassures the meteorologist.
The return of rains to the Valence region and the south of France
Coming from the Scandinavian countries, the cold drop will continue its journey to the Iberian Peninsula and the Mediterranean rim.
Heavy rain should be expected in Spain and Languedoc during the days of Wednesday and Thursday.
Shortly after being hit by heavy flooding, the Valencia region must expect to be under water again.
Best from Friday
This phenomenon is not exceptional. “Every year, around mid-November, we have the beginnings of winter. »
And it should not last over time. “It’s not a cold snap either,” procrastinates Guillaume Séchet.
Moreover, temperatures should rise a little from Friday. And the sun will be “quite generous” over the northern half for the end of the week.
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