Snow crystals usually form unique patterns, but there has been at least one instance of identical snowflakes in history. Two snowflakes collected from a Wisconsin storm were confirmed to be twins in 1988 at a Colorado atmospheric research centre.
Snow crystals usually form unique patterns, but there has been at least one instance of identical snowflakes in history. Two snowflakes collected from a Wisconsin storm were confirmed to be twins in 1988 at a Colorado atmospheric research centre.