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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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

A large body of air having similar horizontal temperature and moisture characteristics.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...