A variety of snow crystal and snow formation photos are archived below. They are available for free use (under Creative Commons license CC BY-NC-SA) as long as credit is given to the photographers listed for each image.
Clustered rounded crystals.
(photo credit: Matthew Sturm)
A hexagonal plate crystal fragment.
(photo credit: Matthew Sturm)
A sectored plate crystal.
(photo credit: Matthew Sturm)
A stellar dendrite crystal.
(photo credit: Matthew Sturm)
A stellar dendrite crystal with plate formations.
(photo credit: Matthew Sturm)
Faceted cup-shaped crystals in the field.
(photo credit: Matthew Sturm)
Faceted cup-shaped crystals.
(photo credit: Matthew Sturm)
Sastrugi, which are eroded snow dunes, in the Barrenlands of Canada.
(photo credit: Matthew Sturm)
Hoar frost on a willow in Fairbanks, Alaska.
(photo credit: Matthew Sturm)
A wind slab snow from arctic Alaska.
(photo credit: Matthew Sturm)
Here, hoar frost has formed on a pre-existing ice crust.
The Brooks Range in Alaska.
(photo credit: Matthew Sturm)
A ground blizzard in Utqiagvik, Alaska.
(photo credit: Matthew Sturm)
Lynx tracks.
(photo credit: Matthew Sturm)
Tensile strength demonstrated in snow sliding off a roof.
(photo credit: Matthew Sturm)
An elongated barchan, which is a horn-shaped snow dune.
(photo credit: Matthew Sturm)
Trucks buried by snow pack in the Northwest Territories of Canada.
(photo credit: Matthew Sturm)
Surface hoar on early season snow in Alaska's North Slope Region.
(photo credit: Matthew Sturm)
Rime on a trail marker in the White Mountains of Alaska.
(photo credit: Matthew Sturm)
Snow deforming as it slides off of a car.
(photo credit: Matthew Sturm)
Hoar frost on a shrub near Fairbanks, Alaska
(photo credit: Matthew Sturm)
Powder snow in Alaska's Ray Mountains.
(photo credit: Matthew Sturm)
Fuchsia covered by fresh snow in Seattle, Washington.
(photo credit: Andrey Shcherbina)