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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The branch of science dealing with the laws of motion of air or other gases.
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...