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 thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A cloud of irregular appearance, composed of irregular cloud fragments.
A type of cloud consisting mostly of small particles such as ice particles.
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...