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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

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