Answer: Clouds form when sufficiently moist air is cooled to the dew point temperature of the air or below, so that either liquid water droplets form on cloud condensation nuclei, or in the case of ...

There are two ways snow can begin to form in clouds. When the air is very cold, water vapor can convert directly to ice through a process called “homogenous nucleation.” At temperatures between minus ...

There are plenty of old myths and stories about winter, whether it’s certain creatures being harbingers of bad weather or ...