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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 storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.