What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
An instrument for measuring atmospheric pressure.