The sirocco phenomenon that was observed on March 15 in France could cause premature snowmelt in some resorts in the Pyrenees.
This is particularly the case in Gourette (Pyrénées-Atlantiques) or on sites in the Hautes-Pyrénées.
The sand would have polluted the snow there, making it less tenacious, reports
Ouest-France
.
The heat of the sun, instead of being returned by the mirror effect, would in fact rather be absorbed, explained a specialist to
Sud Ouest
.
According to the researchers, this meteorological phenomenon would advance the melting of snow on our massifs by two weeks.
It would also have an impact on the risk of avalanche, indicates France 3 Occitanie.
A loss of stability
Even if the snow melts, the layer of sand that has so seduced skiers does not go away.
The latter would then continue to warm the white mantle of the massifs, disturbing their stability.
This cloud of sand would also be harmful to our health by causing irritation and respiratory problems in the most fragile people.
Planet
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Snow
Planet
Paul
Sand
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