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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Snow that rises to 8 feet or higher.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...