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 very cold high pressure that originates over the Arctic Ocean.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

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

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 continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.