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 narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
The branch of science dealing with the laws of motion of air or other gases.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...