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 strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...