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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

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

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

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

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...