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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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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

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

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

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...