Monday, December 31, 2018

Hoarfrost




Because the air temperature has been well below freezing, it was a delight to see the hoarfrost crysrals on the trees and cacti in my front and back gardens.

Hoarfrost (which I've never seen before) is formed, I read,  'by direct condensation of water vapour to ice at temperatures below freezing , and occurs when air is brought to its frost point by cooling.'

BEAUTIFUL!!





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