Snowflake formation depends on its surroundings

The Science of Snowflakes

Morse Code of Weather: how different snowflake shapes and sizes form and impact winter storms

Snow, Causes, Types & Effects

Snow Crystals: A Natural Blend of Science and Art

Snowflakes and snow crystals can grow fairly large, but there are limits : NPR

Snowflake Shapes

How Snowflakes Grow

The secret life of the snowflake revealed, Science

The Formation of Snow Crystals

Basic Structure and Formation of Snowflakes - HubPages

Snowflakes and snow crystals can grow fairly large, but there are limits : NPR

This is why no 2 snowflakes are alike

Snowflake Mysteries: 15 Fun Facts to Amaze You

How do Snowflakes Form? Are They Really All Unique?, by Rosie Alderson, PhD, Everyday Science