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

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

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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

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

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...