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I have captured this photograph for La Vanguardia's Readers' Photos of the cirrus clouds over Centelles, in the Osona region. They look like angel hair in heaven.
Cirrus clouds sometimes predict the arrival of rain or storms, which are missing in Catalonia after so many months of persistent drought. Although the cirrus clouds themselves only drop streaks of ice crystals.
A cirrus or cirrus is a type of cloud composed of ice crystals and characterized by thin, fine bands, accompanied by tufts.
Sometimes these volute clouds are so extensive that they are visually indistinguishable from each other, forming a sheet or veil called cirrostratus.
Sometimes, in addition, convection at high altitudes produces another form of cirrus, called cirrocumulus: a pattern of small clouds in the shape of tufts.