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...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
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A type of cloud consisting mostly of small particles such as ice particles.
Snow that rises to 8 feet or higher.
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
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Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...