During a previous episode of sirocco, in Brittany.
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LOIC VENANCE / AFP
From Provence to Alsace, via the Rhône valley and Savoy, the sky was tinged with yellow, gray or pink, this Saturday morning, to the surprise of many inhabitants of these regions .
Some have shared the photos of this apparently strange but quite classic weather phenomenon.
Made without special effects, today the sky is yellow.
Wind blown sand from the Sahara passes into the Alps.
My white car is starting to be lightly covered with sand.
pic.twitter.com/h9S0YPonXO
- Dad (@GKPlugInBaby) February 6, 2021
It is in fact the sand of the Sahara, brought back to Europe by the famous sirocco.
We may know the name but not necessarily what is behind it: it is a current of very hot and very dry air coming, therefore, from the Sahara.
And so it does not happen alone in our regions.
This phenomenon occurs when this air current is "drawn" northward by a depression in the Mediterranean.
If the phenomenon in itself is nothing new or surprising, that it happens in winter is already less commonplace.
Asked by France Bleu, Paul Marquis, the manager of the website La Météo du 13, explains that we see the sirocco more often bringing sand in Europe in spring.
"This is further proof that the planet is heating up," he explains to the microphone of our colleagues.
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