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...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...