Even though no two snowflakes are alike, snowflake shapes can be placed into 36 different categories. The temperature and moisture present in the air at the time the snowflake is formed determines it shape. The five most common types of snowflakes are:
thin plates
(25-32° F—these are thin and flat)
(25-32° F—these are thin and flat)
needles
(21-25° F—slender, pencil-like structures)
hollow columns
(14-21° F—hexagonal columns)
sector plates
(10-14° F—plates with ridges pointing to prism facets)
dendrites
(3-10° F—plates with branches of the main body)
(21-25° F—slender, pencil-like structures)
hollow columns
(14-21° F—hexagonal columns)
sector plates
(10-14° F—plates with ridges pointing to prism facets)
dendrites
(3-10° F—plates with branches of the main body)
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