Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

Freezing rain represents some of the most dangerous forms of precipitation.

The surrounding air affects how snowflakes develop. In drier air, growth is slow and produces simple, compact or column-like designs that create dry, powdery snow. Humid air accelerates snowflake ...