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 weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...