What is Circulation?

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...