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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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

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 tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...