Dark blue cloudy sky

What is Squall Line?

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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Glossary

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

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