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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.

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

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

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

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.