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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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

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

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...