Information and referral center supporting polar and cryospheric research. Education resources, the NSIDC data catalog and an image gallery.

Article providing a scientific explanation of this phenomenon.

Provides some basic facts about snowflakes and snow crystals. Includes a morphology diagram and the story of the life of a snowflake.

Worldwide snow forecasts with local maps provided for the Americas, Europe, New Zealand and Australia including popular ski areas.

Describes the birth of a snowflake and the intricate patterns formed by the ice crystals and some other snow facts.

Encyclopedia article on this type of precipitation which falls in the form of crystalline water ice.