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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

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

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

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

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

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

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...