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 prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A type of cloud consisting mostly of small particles such as ice particles.