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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 strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

An instrument for measuring atmospheric pressure.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....