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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.