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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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

An instrument for measuring atmospheric pressure.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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