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.

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Glossary

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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