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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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

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