Cold air has a lower capacity to hold water vapor, leading to smaller, lighter snowflakes with more air trapped between them. But that's not the only factor needed. "In fact, the snow ratios can ...

(WAVE) - Snowflakes form when a cold water droplet freezes onto particulates (like dust or pollen) in the atmosphere, creating an ice crystal. As the ice crystal falls through the sky, water vapor ...

(WAVE) - Snowflakes form when a cold water droplet freezes onto particulates (like dust or pollen) in the atmosphere, creating an ice crystal. As the ice crystal falls through the sky, water vapor ...