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

A cloud of irregular appearance, composed of irregular cloud fragments.

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

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

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

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A very cold high pressure that originates over the Arctic Ocean.