What is Jet Stream?

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet cold air masses and impact weather conditions, air travel, and more.

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 polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

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