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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A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...