What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
An instrument for measuring atmospheric pressure.
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.