What is Air Mass?

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.