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The magic of the solar halo reappears in the Christmas tree of Torre Lluc in Gavà, in Baix Llobregat, next to the Enchanted Forest.
Christmas magic already greets us, but the curious thing is that it is not the first Christmas that the solar halo manifests itself right in this ornamental tree placed in Gavà.
A year ago I could see a solar halo with a double parhelion in this same place. Parhelions are very similar to halos (in fact they can and usually happen at the same time), they appear around 22º to the left or right of the sun as bright and even colorful spots in the sky.
And, this year, the solar halo has already been seen several times in this Christmas tree, the last one today, when this photograph was captured for La Vanguardia's Readers' Photos.
The solar halo forms around the sun, presenting an iridescent ring on its outer circumference, due to ice crystals when there are high clouds.
The halo is caused by ice particles suspended in the troposphere that refract light, generating a spectrum of colors around the Moon or Sun.
