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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
A large body of air having similar horizontal temperature and moisture characteristics.
The branch of science dealing with the laws of motion of air or other gases.