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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Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.