Dark blue cloudy sky

What is Flux?

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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Glossary

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

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

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...