What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A cloud of irregular appearance, composed of irregular cloud fragments.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
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 storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...