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What is Acid Rain?

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

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Glossary

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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

A cloud of irregular appearance, composed of irregular cloud fragments.

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...