Surface hoar forms as fern like crystals of ice directly on the surface of the snow, and other surfaces. See also Depth Hoar.
Found on
http://snowheads.com/ski-forum/viewtopic.php?p=1814865
Ice crystals deposited on objects below 0 degrees Celsius or dew that freezes after formation.
Found on
http://www.metcheck.com/OTHER/glossary.asp
Formation of interlocking ice crystals directly from the water vapour in the atmosphere on objects which usually are of small size and exposed freely to the air such as plant leaves and branches. Hoar frost, more commonly know as frost, is fluffier and more feathery in appearance than rime ice.
Found on
https://www.encyclo.co.uk/local/21131
No exact match found.
