What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
A cloud of irregular appearance, composed of irregular cloud fragments.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A type of cloud consisting mostly of small particles such as ice particles.