Dark blue cloudy sky

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

Snow that rises to 8 feet or higher.

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

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

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...