Dark blue cloudy sky

What is Weather System?

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can be comprised of low pressure, which is associated with inclement weather, and high pressure, which typically brings more stable, pleasant weather.

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Glossary

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

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

A type of cloud consisting mostly of small particles such as ice particles.

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...