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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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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