Hoarfrost on trees - United Kingdom

- Image ID: BXCNEY
John Cancalosi / Alamy Stock Photo
Image ID: BXCNEY
Hoar frost, also called radiation frost or pruina, is white ice crystals loosely deposited on the ground or exposed objects. It forms on cold clear nights when heat losses into the open skies cause objects to become colder than the surrounding air.
Location: United Kingdom