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 thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...
A type of cloud consisting mostly of small particles such as ice particles.