What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...