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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The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...