What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
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 weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...