What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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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....
The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

