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

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

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...