What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
The branch of science dealing with the laws of motion of air or other gases.
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...