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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Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...