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 upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
An instrument for measuring atmospheric pressure.
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...