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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A mass of very cold, dry air that mostly originates over the Arctic Ocean.
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
An instrument for measuring atmospheric pressure.