Hoar frost

Wednesday’s work party was treated an unusual exhibition of needle-like hoar frost.

Hoar frost forms when water vapour in the air comes into contact with an object that is below freezing. Rather than the water vapour first condensing onto the object and then freezing, the water vapour freezes immediately, creating ice crystals that sometimes assume these extraordinary forms.

2 thoughts on “

  1. I’ve lost a number of shrubs in my garden during this frosty weather, some like Choisya Ternata that is considered hardy. While others like Ceanothus, both evergreen and deciduous have survived unscathed!

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