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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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...