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

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

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.