What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...