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

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

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

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

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.