Par Cyril Bottollier-Lemallaz
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You shouldn’t have come to the Côte d’Azur on this Ascension weekend to look for the sun, to say the least. In Nice (Alpes-Maritimes) and at the Cannes Film Festival, the rain was at the rendezvous, with some Thunder.
But since this Monday, May 22, 2023, the sun seems to be resurfacing. We take stock of the weather forecast for the week and the impact on the drought.
Return of the sun, but…
Météo France announces the return of soleil this week throughout the Alpes-Maritimes, with however some clouds and raindrops in the Mercantour. Of rare showers will continue to fall in the afternoon over the entire hinterland and the middle country, while the coast will be spared.
Here is the weather forecast that seems to be shaping up for the week: from instability inland and clearings along the sea.
These showers will be punctuated by lightning Tuesday afternoon and Friday all day. At the end of the week, the coast should not be spared by this precipitation.
Light rain on the coast but better inland
The plus 24,3 mm this May for five days, according to the airport weather station. Sunday, May 21, a small storm sprinkled Nice for an equivalent of 0.2 mm of rain. This brings to 87,3 mm the height of precipitation observed in 2023.
The normal for the month of May is estimated at 40 mmaccording to Pierre-Louis Quibel, consulting meteorologist at Météo-France Sud-Est, during a previous interview with actu Nicepublished in January 2023.
Inland, it rained more frequently. As in Ilonse: 64,3 mm since early May. To Gilette: 85,2 mm. That is to say the highest values since the beginning of the year over a month at these stations.
A drought already present
However, these rains could not enough to avoid drought this summer. The alert stage has been triggered from March in the Alpes-Maritimes (and even a heightened alert on the Cagne, Esteron and Paillon watersheds as well as in Carros, Gattières and Tourrettes-sur-Loup). The prefectural decree, renewed on April 25, is valid until October 31.
In addition, the groundwater recharge season takes place September to March only. Météo-France does not indicate a preferred scenario for the precipitation to come in June, July and August (there are as many chances that it will be wetter than drier over the whole of France).
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