What is Lightning?
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or between a cloud and the ground.
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Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
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 strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.