What is Arctic Air?

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...